Furuno CH-300 manual

DU AL-FREQUENCY SEARCHLIGHT SONAR CH-300[...]

The paper used in this manual is elemental chlorine free. Your Local Agent/Dealer Your Local Agent/Dealer 9-52 Ashihara-cho, 9-52 Ashihara-cho, Nishinomi y a 662-8580, JAPAN Nishinomi y a 662-8580, JAPAN Tele p hone : Tele p hone : 0798-65-2111 0798-65-2111 Fax Fax 0798-65-4200 0798-65-4200 : : F IRST EDITION : F IRST EDITION : APR APR . . 2005 200[...]

i SAFETY INSTR UCTIONS WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment. Only qualified personnel should work inside the equipment. Immediately turn off the power at the switchboard if water leaks into the equipment or something is dropped in the equipment. Continued use of the equipment can cause fire or electrical shock. Contact a FURUNO[...]

ii CAUTION Do not exceed 20 knots when operating the equipment and do not exceed 15 knots when lowering or raising the transducer. The transducer may become damaged. Do not use the equipment for other than its intended purpose. Use of the equipment as a stepping stool, for example, may result in personal injury or damage to the equipment. WORKING W[...]

iii T ABLE OF CONTENTS FOREWORD ........................................................................................................ vi SYSTEM CONFIGU RA TION .............................................................................. viii 1. OPER A TION AL OVERVIEW ......................................................................... 1-[...]

iv 2.14 Horizontal Menu Overview ......................................................................................... 2-22 2.14.1 Horizontal menu description ............................................................................ 2-22 2.15 Interpreting the Horizontal Display ................................................................[...]

v 5. MENU OPER A T ION ...................................................................................... 5-1 5.1 COM 1 M enu .............................................................................................................. 5-1 5.1.1 COM1 menu desc r iption............................................................................[...]

vi FOREWORD Thank you for purchasi ng t he CH-300 Dual-Frequenc y Searchlight Sonar . We are confident you will discover why FURUNO has becom e synonym ous with quality and relia bilit y . Dedicated in t he desig n and manuf acture of marine electronics equipm ent for half a cent ury , FURUNO Electr ic Com pany has gain ed an unr ivaled reputatio n[...]

vii Usage Prec au tions • The Motion Se nsor MS-100 com pensates for ship’ s pitchi ng and rolling. However , it does not compensat e for load unbalance. • If the equipment w ill not be used for a long tim e, shut off the power to it at the m ains switchboard, to pre vent battery discharge. • If the soundome is to be operated while the sh i[...]

viii SYSTEM CONFIGURA TION Note 1: MU-100C is the standard supply monitor unit. An external monitor ma y be connected via the interf ace unit (option). The dra wing abov e shows the system configuration with the MU-100C . Note 2: For b lackbo x type, MU-100C is not supplied. Connect external monitor (user supply) and control unit to the interf ace [...]

1-1 1. OPERA TIONAL OVER VIEW 1.1 Contro l Description DISPLA Y MODE LF HF MAIN SUB MIX SECTOR TRAIN RANGE TIL T FULL HALF F AST SCAN T ARGET BRILL MENU R/B EVENT CUSTOM MODE POWER XDR T ur ns the pow er on/off. Lowers the tr ansducer . Adjusts receiver sensitivity . Selects center bearing of training sector . Selects detection range. Controls tilt[...]

1. OPER A T IONAL OVERVIEW 1-2 1.2 Remote Controller The Remot e Controller CH-256 (option) provid es arm chair control over range, tilt , target lock and sounding rang e. Choose tilt angle. Enables/disab les target lock. Choose displa y range. Chooses sounding area: Full circle 360 ° (horizontal mode) Half circle 180 ° (v er tical scan mode). Re[...]

1. OPER A T IONAL OVERVIEW 1-3 1.3 T urning the Power On/Off 1.3.1 P ower on This sonar has a demonst ration mode w hich pr ovides sim ulated operation without the transducer . For further details see page 5-20. Press the POWER switch on the control unit till you hear a “click.” A beep sounds, the lam p above the switch lig hts and the startup [...]

1. OPER A T IONAL OVERVIEW 1-4 1.4 Raising, Lo w ering the T ransducer 1.4.1 Lowering th e tra nsducer CAUTION Do not exceed 20 knots when operating the equipment and do not exceed 15 knots when lowering or raising the transducer. The transducer may become damaged. W ith the boat at the fishing ground, press t he [ ↓] s witch to lower the transdu[...]

1. OPER A T IONAL OVERVIEW 1-5 1.5 Adjusting Screen Brilliance, Panel Dimmer Screen brilliance can be adjusted in 10 steps and panel dimm er (backlighting) in five. 1. Press the BRILL key to open the dia log box for screen brilliance a nd panel dimm er adjustm ent. Do the next st ep within four seconds, otherwise the dialog box will be erased. DIMM[...]

1. OPER A T IONAL OVERVIEW 1-6 1.6 Choosing a Display 12 displays are pro vided; choose the one wh ich best suits your current needs. For a description of each display , see Ch apter 2. Single-frequency displa y s W ater temp/depth Key Ke y VER TICAL SCAN V er tical section of underwater conditions appears on the entire screen. (Chapter 3) NA V D A[...]

1. OPER A T IONAL OVERVIEW 1-7 Dual-frequency display s NA V D ATA Key Ke y DU AL-FREQ. VERTICAL SCAN Dual-freq. display of v er tical section of fish echoes. Useful for judging depth and center position of fish school. (Chapter 3) DU AL-FREQ. ECHO SOUNDER Dual-freq. display of fish echoes below v essel. (Chapter 4) Displa y Display x2 x2 x2 x2 DU [...]

1. OPER A T IONAL OVERVIEW 1-8 Combination displays Key Ke y NA V DA T A HORIZONT AL/HIST OR Y The horizontal picture appears in the main window; the histor y picture in the sub window . Useful for sho wing histor y of fish mov ement, distribution. (Chapter 2) Display NA V DA T A HORIZONT AL/VIDEO PLOTTER The horizontal picture appears in the main [...]

1. OPER A T IONAL OVERVIEW 1-9 1.7 Choosing a Frequency Y o u m ay choose low frequenc y or high frequency , with the LF/H F key . The display shows HI or LO at the top of t he screen depending on yo ur select ion. Use the table bel o w to determ ine which frequency to use. Item Low frequency High frequency Long-range detection PREFERABLE Attenuati[...]

1. OPER A T IONAL OVERVIEW 1-10 Frequency selection and mode Single-frequ en c y di spl a y or comb ination displa y (other th an vertical scan combin ation): The LF/HF key chooses low frequency or hig h frequency alternate ly . Dual-fre quency display (mix m ode OFF): The LF/HF key sw itches t he fr equency of the high-and low-f requency displa ys[...]

1. OPER A T IONAL OVERVIEW 1-1 1 1.8 Mix Display The mix displa y co m pares echo intensity bet ween low and high frequen cies, and displays echoes from tiny fish in discriminative colors. This is done by utili zing the fact t hat tiny fish return a stronger echo against a high frequenc y rather than a lo w f requency . The equi pment accomplishes [...]

1. OPER A T IONAL OVERVIEW 1-12 T o use the m ix display effectively , it is important that the gain for both the lo w and hi gh frequencies is set properly . W hen searching for young fish such as w hit ebait, f ollow the procedure below . For detailed inform ation about gain adj ustment, see the next section. Gain adjustment 1. Adjust t he high-f[...]

1. OPER A T IONAL OVERVIEW 1-13 1.9 A djusting the Gain The GA IN control adjusts the sensitivity of t he rece iver . Norm ally , t he control is adjusted so that the bot tom echo is displayed in reddish- brown m ixed with red. Initially set t he gain between “4” and “6” and then fine tune accordin g to fishing ground, etc. Too Low Proper T[...]

1. OPER A T IONAL OVERVIEW 1-14 Dual-frequency display 1. Push the GA IN control. HIGH FREQ GAIN : 5.0 (0-10) LOW FREQ GAIN : 5.0 (0-10) PUSH GAIN KNOB TO SPECIFY THE FREQ ROTATE GAIN KNOB TO CHANGE THE FREQ 2. Push the GA IN control to choose t he frequency f or wh ich you want to adj ust the gain. 3. Rotate the GAIN control to adjust the gain (ra[...]

1. OPER A T IONAL OVERVIEW 1-15 1.10 Menu Overview The menu, consisting of six m enus, mostly cont ains item s w hich once p reset do not require fr equent adjustm ent. Below is the pr ocedur e f or basic menu operation. 1. Press the MENU key to open the m enu. Note: Eit her PRESET (default setting) or SHORT -CUT appears between ES and SYS at the t[...]

1. OPER A T IONAL OVERVIEW 1-16 This page intentionall y left blank.[...]

2-1 2. HORIZONT AL MODE 2.1 Operational Overvie w The figure belo w shows the typical hor izontal mode operating sequ ence. 2. Lower the transducer . 9. Adjust gain. 6(a). Set sector bearing range. 7. Set center bearing of train sector . 5. Set range. 8. Set tilt angle. 3. Adjust screen brilliance. 6(b). Change sector bearing range to 360 ° . 4. S[...]

2. HORI ZONT AL MO DE 2-2 2.2 T ypical Horizo n tal Mode Display Press the (horizontal m ode) key . Each pre ss chooses the single f requency or dual- frequency hori zontal mode display alternat ely . NA V D ATA Single-freq. Display Dual-freq. Display Switching between sing le-frequency hori zo ntal and dua l-frequency hori zontal d isplays 25 R 40[...]

2. HORI ZO NT AL MODE 2-3 2.3 Choosing a Range The RAN GE control chooses the det ect ion (display) range. Cho ose t he range according to either the f ish species being searched or t he de pt h desired. 15 rang es are availa ble and minim um and maximum ranges depend on the tr ansducer use d. SEA SURFACE Range indicated on the screen. BOTTOM SEA S[...]

2. HORI ZONT AL MO DE 2-4 2.4 Choosing Se ctor Wi d th Y ou m ay set the width of the scanned sect or . 96 ° Display sector (shown: 96˚) Sector width The SEC T OR control chooses t he width of the sc anned sector am ong the sixteen posit ions shown in the table belo w . Clockwise rotation of t he control increases the sector width; counterclockwi[...]

2. HORI ZO NT AL MODE 2-5 2.5 Choosing T rain Center The TR AIN control chooses t he cent er direction of t he det ect ion range. The range of adjustm ent is 0 ° to 354 ° in increments of 6 ° . The selected bearing is sh own with a filled circle, the tr ain indicat or , on t he bearing scale. 0 ° (360 ° ) → 6 ° → 12 ° → 18 ° → ... 3[...]

2. HORI ZO NT AL MODE 2-6 2.6.1 T ilt angle for surfa ce fish Sound em itt ed from the sonar transducer f orms an oval-shaped beam with a wid th of approxim ately 10 ° (–3 dB, full scan, vertical bea m wid th on 85 kH z) in the vertica l direction (vertical beam w idth). The tilt angle is indi cat ed by the angle bet ween the cent er line is par[...]

2. HORI ZO NT AL MODE 2-7 How to disc riminate fish echoes from the bottom The figure at t he bot tom of the page illustrates ho w two f ish schools “a” and “b” are displayed on the screen using three diff erent tilt angles. (Case 1, 2 and 3 are relative to the bottom pictured above.) Case 1 Case 2 Case 3 Detecting bea m an d f ish position[...]

2. HORI ZONT AL MO DE 2-8 2.6.3 Suit able t ilt angle The figure belo w illustrates the relat ionship among tilt angle (0, 5, 10 and 15 degrees), depth and detecti on range. Ref er to it to find out t he suitable tilt angle for a give n depth/detect ion range. 100 (200) 200 (400) 300 (600) 400 (800) Range (m) 0 ° 5 ° 10 ° 15 ° 20(40) 40(80) 60([...]

2. HORI ZONT AL MO DE 2-9 2.7 Choosing T raining S peed The training spee d chooses how fast the t ransducer scans the sounding sector . T wo choices are availab le, normal speed (def ault setting) and high speed, and one m ay be selected with the FAS T S C AN key . Each tim e the key is pressed “NORM” (normal speed) or “F AST” (high speed)[...]

2. HORI ZONT AL MO DE 2-10 2.9 Finding Echo Position with the Cursor The cursor measures horizont al range, depth and beari ng. Operate the Om nipad to place the cursor where desired. Cu rsor posit ion data appears at t he top lef t-hand corner on the screen. → : Horizontal range ↓ : Depth B: Bearing Cursor position data Cursor NA V D ATA Locat[...]

2. HORI ZO NT AL MODE 2-1 1 2.10 Event Marker The event m arker functions to m ark i m portant locations on the horizontal m ode display , and five event markers may be inscribed. Press the EVENT key to inscribe the event m arker . Each time the key is pressed the “lat est event marker” ( ⊕ ) is inscribed at t he cursor location and all previ[...]

2. HORI ZONT AL MO DE 2-12 Deleting all ev ent markers f rom the horizont al display T o delete all e vent markers inscribed on the hor izontal m ode display , do t he following: 1. Operat e the Omnipad to place the cursor outside t he display area. 2. Press the EVENT key to show the following dia log box. Do the next st ep within four seconds, oth[...]

2. HORI ZONT AL MO DE 2-13 2.12 Adjusting the Picture 2.12.1 Suppressi ng bottom and surface reflections In shallow fishing groun ds, excessive sea surf ace and bott om reflections often int erfere with wanted f ish echoes and they cannot be elim inat ed sufficient ly with the TVG controls. In such cases, try to reduce the out put power , w ithout [...]

2. HORI ZONT AL MO DE 2-14 2.12.2 Suppressi ng bottom ta il As described earlier , fish schools near the botto m are sometimes difficult to detect because you have to discrim inate fish echoes f rom the bottom reflect ions. T o discrim inate fish echoes near the bottom , choose the short Tx pulselength on t he COM1 menu t o decrease the tail of bot[...]

2. HORI ZONT AL MO DE 2-15 T o adju st TVG: 1. Press the MENU key to open the m enu. 2. Press ▲ to choose MENU and then press ◄ or ► to choose HO RZ. TVG LEVEL 4. 0 TVG DISTANCE 4.0 RES. COLOR LO G CLUTTER 0 TARGET KEY ECHO : SELECT : CHANGE MENU: END MENU COM1 VERT ES PRESET SY S COM2 HORZ LOCK MODE AUTO AUTO TILT OFF HORZ menu 3. Press ▲ [...]

2. HORI ZONT AL MO DE 2-16 5. Press the MENU key to register your selection a nd close the menu. 6. T o suppress ref lections by the sea surf ace or plankt on, choose TVG LEVEL and press ► . 7. Press ◄ or ► to adjust TVG LEVEL, considering s ea conditio ns. A setting bet ween 2.0 and 5.0 should pro vide satisfact ory results. T he higher the [...]

2. HORI ZONT AL MO DE 2-17 2.12.5 Suppressi ng i nterference from ma rine life If you are f ishing in an area where there ar e a lot of f ishing vessels, you may receive interference f rom other vessels’ sonar or echo sounder . Further , electrical int erference onboard o wn ship may generate interf erence. T o suppress this type of interf erence[...]

2. HORI ZONT AL MO DE 2-18 2.12.6 Enlarging fish ech oes ( horiz ontal exp ansi on di splay) Fish echoes may be enl arged 1.5 times by using the horizontal expansion display . Press the key to act ivate the horizontal expansion d isplay (single f requency). Then, the horizontal display is expanded at the cent er of training dir ection, bow directio[...]

2. HORI ZONT AL MO DE 2-19 2.13 T arget Lock T wo types of target lock modes are available. Position: T racks stationary positi on (such as a reef) using position data f rom a navigator . Av ailab le in the hori zontal mode only . Echo: T racks fish echo either m anually or automatically . Available in the horizontal m ode only . 2.13.1 Choosing a [...]

2. HORI ZONT AL MO DE 2-20 T arget lock indicator T arget lock marker T arget lock indicator 3. T o t urn of f the target lock, press the TA R G E T key again. The message “LOCK END” momentarily appears, the target lock marker and the target lock indica tor disappear and previously used sect or , train and tilt set tings are restored. Also, lat[...]

2. HORI ZONT AL MO DE 2-21 NA V D ATA Target lock indicator Outer boundary Inner boundary Detection area T arget lock area W hen a target of red or reddish-br own color is detected in t he zone, the target lock indicator blinks, t he buzzer sounds and t he detect ion area disappears. When a tracked target is lost, the operat i on shown below is rep[...]

2. HORI ZONT AL MO DE 2-22 2.14 Ho rizo n t al Menu O v er view This section presents an overvie w of the items on the HO RZ menu. 1. Press the MENU key to open the m enu. 2. Press ▲ to choose MENU and then press ◄ or ► to choose t he HORZ menu. TVG LEVEL 4. 0 TVG DISTANCE 4.0 RES. COLOR LO G CLUTTER 0 TARGET KEY ECHO : SELECT : CHANGE M ENU:[...]

2. HORI ZONT AL MO DE 2-23 T ARGET KEY : Chooses target lock function bet w een posit ion and echo. Def ault setting is ECHO. For further details see paragraph 2.13. LOCK MODE: Chooses ho w to track f ish echo in ”e cho” target lock; automat ically or manually . Default setting is AUTO. For further details see paragraph 2. 13. AU TO TI L T : T [...]

2. HORI ZONT AL MO DE 2-24 2.15 In terp retin g the Horizont al Display This section provides inf ormation necessary f or interpreting the horizon tal display . 2.15.1 How the horizont al mode picture is p ainted The wide sounding b eam is em itted from the soundom e at a certain tilt angle (see hat ched area in the f igure below). The informati on[...]

2. HORI ZONT AL MO DE 2-25 2.15.2 Sample display s This section provides various e xamples of horizontal m ode displays. The appearance of actual f ish echoes w ill vary according t o factors such as transm ission frequency , gain and TVG sett ings, and bottom co m position and contour . Bottom echoes W hen the tilt angle is changed, the bott om ec[...]

2. HORI ZONT AL MO DE 2-26 Fish schools A fish school appears a s a mass of echoes on the screen. The color of the m ass show s the density of fish schools on the sonar beam. T o find distribut ion and center point of a fish school, try several diff erent tilt angles. (A) Sea surface fish Tilt angle: 0 ° to 10 ° (B) Midwater, bottom fish Tilt ang[...]

2. HORI ZONT AL MO DE 2-27 Sea surface refl ectio ns T o reduce sea surface ref lections, set the tilt angle to 5 ° or higher , so the upper edge of t he sonar beam does not hit the sea surf ace, or adjust TVG . W hen a decreased tilt angle is used, sea surf ace reflections cover a large area as illustrated below . Sea surface Sea surface 10 ° Ti[...]

2. HORI ZONT AL MO DE 2-28 Sidelobe echo (false echo) An ultrasonic wave is em itted only in the directi on set by the TI L T control, however there are some emissions outside t he main beam. These are called sidelobes. The energy of t he sidelobe is f airly weak but when the water is com parativ ely shall ow and the bottom is rocky and hard, stron[...]

2. HORI ZONT AL MO DE 2-29 2.15.3 Combinati on displa y examples How to choose a combination display 1. Press the key to show t he co m bination display selectio n window . HORZ/VERT ZOOM HORZ/PLOTTER HORZ/HISTORY HORZ/VERT 2. Use ▲ or ▼ to choose the combinat ion display desired. Y ou m ay also use the key to choose a display . 3. Press the ME[...]

2. HORI ZONT AL MO DE 2-30 Horizont al/history displa y The horizontal displa y appears in the m ain w ind ow; the history displa y in the sub window . The length of the picture displayed in t he history displa y is equal to about four full circle pictures. Thus the history display enables you to observe the hist ory of fish movement and distributi[...]

2. HORI ZONT AL MO DE 2-31 Horizont al/video plotter display The horizontal displa y appears in the m ain w ind ow; the video plotter dis play , which traces ship’s track on the display , in the sub window . Compared to the horizontal display the vide o plotter ’ s range is much longer . For exam ple, an event m arker entered on the horizontal [...]

2. HORI ZONT AL MO DE 2-32 This page intentionall y left blank.[...]

3-1 3. VERTICAL SCAN MODE 3.1 Operational Overvie w The figure belo w shows the typical vertical scan mode operating sequence. 2. Lower the tr ansducer . 9. Adjust gain. 7(a). Set scanning sector . 6. Set train bearing. 5. Set range. 8. Set tilt angle. 3. Adjust screen brilliance. 7(b). Select training sector 180 ° . 4. Select appropriate vertical[...]

3. VE R TICAL SCAN MODE 3-2 3.2 T ypical V ertic al Scan Mode Display Press the key to sho w the vertical scan display . Y ou can switch bet ween the single-frequenc y vertical scan display and t he d ual-frequenc y vertical scan display alternatel y with the key as shown below . NA V D ATA Single-freq. Display Dual-freq. Display NA V D ATA Switchi[...]

3. VER TICAL SCAN MO DE 3-3 3.3 Choosing a Range The RAN GE control chooses the det ection (display) range, in 15 set tings. Choose the range according to eith er the fish species bei ng searched or t he depth desired. Each t ime the control is operated t he newly chos en range brief ly appears in lar ge characters at t he screen top. Range is pe r[...]

3. VE R TICAL SCAN MODE 3-4 3.4 Choosing T rain Center The TR AIN control dete rmines the bearing of the vertical scan beam , from 0 ° to 180 ° . Bearing of beam position can be f ound with the train indicat or . 0 ° (360 ° ) → 6 ° → 12 ° → 18 ° → ... 180 ° Train Indicator Train of Vertical Fan Beam Bow TRAIN Train indicator Train i[...]

3. VER TICAL SCAN MO DE 3-5 3.5 Choosing Displa y Sector Sector means t he w idth of t he transducer training, from 6 ° to 180 °. 24 ° Sector (Shown: 24 ° ) Sector The SEC T OR control chooses t he training are a among the sixteen posit ions shown in the table below . Clock wise rotation of the control increases the sector w i dth; counterclock[...]

3. VE R TICAL SCAN MODE 3-6 3.6 Choosing Sec tor Center The center direction of the sounding be am in the vertical direction can be changed with the TIL T control. The sett ing range is 0 ° to 18 0 ° in increments of 6 ° . Choose the setting w hich places the sector center in t he middle of t he detection range. Sector range 180 ° 0˚ In the ex[...]

3. VER TICAL SCAN MO DE 3-7 3.7 Choosing T raining S peed The training spee d chooses how fast the tr ansducer scans the display sector . T wo choices are available, 3 ° (normal speed, default set ting) and 6 ° (high speed), and one may be selected with the FAS T S C AN key . Each tim e the key is pressed the display m omentarily shows “NORM”[...]

3. VE R TICAL SCAN MODE 3-8 3.10 Event Marker The event m arker functions to m ark i m portant locations on the vertical scan displa y , and f ive event markers may be inscribed. Each t ime the EVENT key is pressed the “latest event marker” ( ⊕ ) is inscribed at the cursor location an d all previousl y entered event m arkers are shown by the [...]

3. VER TICAL SCAN MO DE 3-9 3.10.1 Deleting a ll event marke rs from the vertical scan display All event markers inscribed on the vertical scan display m ay be deleted as follo w s: 1. Operate the Om nipad to place the cursor outside the displa y area. 2. Press the EVENT key to show the following dia log box. Do the next st ep within four seconds, [...]

3. VE R TICAL SCAN MODE 3-10 3.12 Adjusting the Picture 3.12.1 Display i ng weak echoes clea rl y Echoes from targets (such as t he bott om or a fish) return to the transducer in order of the distance to them, and when their intensit ies are compared at the transducer face, t hose from nearer targets are generall y stronger when their ref lecti ng [...]

3. VER TICAL SCAN MO DE 3-1 1 4. Press ◄ or ► to adjust TVG distance, considering sea conditi ons. The larger t he figure the greater the distance at which the TVG works. TVG Distance Setti ng 0 0.5 1.0 1.5 2. 0 2.5 3.0 3.5 4.0 4.5 5. 0 . . . . 10.0 Meters 3 8 20 40 60 100 130 160 200 250 320 . . . . 1000 Feet 10 30 70 130 210 330 410 520 660 8[...]

3. VE R TICAL SCAN MODE 3-12 3.13 V ertical Menu Overview This section presents an overvie w of the items on the VERT m enu. 1. Press the MENU key to open the m enu. 2. Press ▲ to choose MENU and then press ◄ or ► to choose the VERT m enu. TVG LEVEL 4. 0 TVG DISTANCE 4.0 RES. COLOR LO G CLUTTER 0 HORZ SCAN RATE VERT SCAN RATE HORZ RANGE 1 1 x[...]

3. VER TICAL SCAN MO DE 3-13 HORZ SCAN RA TE: Sets the scan rat e (1, 2, 3, 4) for the horizontal displa y in the horizontal/vertical scan combination displ ay . Fo r example, if the scan for the horizontal display is “4” and the scan rat e for the vertical scan display is “2”, then for ever y f our scans at the horizontal displ ay t wo sca[...]

3. VE R TICAL SCAN MODE 3-14 3.14.2 Sample display s Port-st arboard picture (bottom) Y ou can see f ish echoes at the cent er-right of the screen. The bottom is displa yed wider as the distance f rom the ship’ s posit ion increases. Theref ore, it may be difficult to discrim inate botto m f ish . Fish school Own ship PORT STBD Bottom Port-starbo[...]

3. VER TICAL SCAN MO DE 3-15 Display of net hauling This is an exam ple of net hauling display . The l ocation of t he net is indicated clearly . FORE AFT Own ship Aft Net Net hauling and son ar p icture False echo In shallow water (depth less than 100 m) det ection, unwanted ec hoes shown in the f igure may appear . This phenom enon is caused by t[...]

3. VE R TICAL SCAN MODE 3-16 3.14.3 Horizont al/vertical scan por t -st arboard, Horizont al/vertical scan upward-do wnw ard display CSE 357 ° SPD 9.9 KT R 40 m T 40 ° AFT FORE 100 Cursor data V er tical scan bearing cursor Cursor Course*, speed* Own ship marker Horizontal Display (main window) V er tical Scan Displa y (sub window) → 17 ↓ 14 [...]

3. VER TICAL SCAN MO DE 3-17 Horizontal Displa y (main window) ///// ///// LO HI FORE AFT V er tical Scan Displa y (sub window) 34 ° 12. 343' N 134 ° 34. 213' W CSE 357 ° SPD 9.9 kt DEP 35.1 m TMP 12.3 ° C 30 25 R 60 m T 40 ° →1 6 ↓ 13 B 288 ° + 100 100 100 Horizontal/vertical scan display (upward-downward direction) Press the k[...]

3. VE R TICAL SCAN MODE 3-18 SECT OR control For the vertical scan dis play: W hen t he display sector is 6° (minimum ) the tilt angle of the horizontal and vertic al scan modes are interlocked and each t ransmission on the hori zontal display is reflect ed on the vertical scan display . The message TIL T ANGLE MONIT OR W INDO W m omentarily appea[...]

4-1 4. ECHO SOUNDER MODE 4.1 Operational Overvie w The figure belo w shows the typical ec h o sounder mode operat ing sequence. 2. Lower the tr ansducer . 6. Adjust gain. 7. Set sector . 5. Set range. 9. Set tilt angle. 3. Adjust screen brilliance. 4. Select echo sounder mode. 11. Measure range to fish school with cursor . 12. Adjust menu settings [...]

4. ECHO SOUN DER MO DE 4-2 4.2 T ypic al Echo Sounder Display Press the key to displ ay the echo sounder pic ture. Y ou can switch b etween the single-frequenc y echo sounder displa y and the dual-frequenc y echo sounder display alternatel y w ith the key as shown below . Depth/T emp. Display Depth/T emp. Display NA V D ATA or A-SCOPE Single-freq. [...]

4. ECHO SOUNDE R MODE 4-3 4.3 Choosing a Range The RAN GE control chooses the det ection (display) range, in 15 set tings. Choose the range according to eith er the fish species bei ng searched or t he depth desired. Each t ime the control is operated t he newly chos en range brief ly appears in lar ge characters at t he screen top. Range is pe rma[...]

4. ECHO SOUN DER MO DE 4-4 4.4 T rain Directio n The sounding beam may be directed t oward fo re, aft, port or starboard. Operat e the TR AIN control to choose sounding beam direction. Each setting on the control is an increm ent of 6 ° . The train indicat or at the top of t he screen shows training direction: 0 ° , fore direction; 90 ° , starbo[...]

4. ECHO SOUNDE R MODE 4-5 4.7 Measurin g Range b y Cursor Use the cursor to display the range f rom own sh ip t o the cursor location. Use t he Omnipad to place the cursor wher e desired. The r ang e to the cursor appears at t he upper left-hand corner of the screen. NA V DA T A or A-SCOPE DISPLA Y Depth, W ater T emp . Displa y Range to cursor Cur[...]

4. ECHO SOUN DER MO DE 4-6 4.8.1 Inscribing th e event marker 1. Operat e the Omnipad to place the cursor on the locat ion desired f or an event marker . 2. Press the EVENT key to inscribe the event marker . NA V D ATA or A-SCOPE DISPLA Y Depth, W ater T emp. Display "Pre vious ev ent mar ker" "Latest e vent marker" Displa y are[...]

4. ECHO SOUNDE R MODE 4-7 4.9 Range Mark er The range m arker f unctions to m easure the range to a target echo (f ish school, bottom , etc.) 1. Operate the Om nipad to place the cursor on th e location desired. 2. Press the R/B key to display the range m arker . The range marker appears along with range indicatio n. 3. T o erase the range m arker [...]

4. ECHO SOUN DER MO DE 4-8 TVG LEVEL 4.0 4.0 TVG DISTANCE RES. COLOR LOG CLUTTER 0 : SELECT : CHANGE MENU: END MENU COM1 HORZ VERT ES PRESET S Y S COM2 A-SCOPE OFF ES menu 3. Press ▲ or ▼ to choose TVG DI ST ANCE and press ► . The f ollowing dialog box appears. 4.0 200m T V G DISTANCE Hi Lo 4. Press ◄ or ► or to adjust TVG distance. TVG D[...]

4. ECHO SOUNDE R MODE 4-9 4.10.2 Findi ng echo strength (A-scope display) The A-scope displa y shows echoes at each transm ission with amplit udes and tone proportional to t heir intensities on the right 1/4 of the screen. It is useful f or estimating the kind of f ish school and bottom com position. 1. Press the MENU key . 2. Press ▲ to choose M[...]

4. ECHO SOUN DER MO DE 4-10 4.1 1 Echo Sounder Me nu Overv i ew This section presents an overvie w of the items on the ES m enu. 1. Press the MENU key to open the m enu. 2. Press ▲ to choose MENU and then press ◄ or ► or to choose the ES m enu. TVG LEVEL 4.0 4.0 TVG DISTANCE RES. COLOR LOG CLUTTER 0 : SELECT : CHANGE MENU: END MENU COM1 HORZ [...]

5-1 5. MENU OPERA TION This chapter provides m enu operating inf ormat ion on m enus not previo usly discussed: COM1, COM2, PRESET (or SHORT -CUT , depending on the sett ing of CUSTOM KEY on the SYSTEM SETTING 1 m enu) and SYS (Sy stem ) menu. 5.1 COM1 Menu 1. Press the MENU key to open the m enu. 2. Press ▲ to choose MENU, and then press ◄ to [...]

5. MENU OPERA TION 5-2 5.1.1 COM1 menu descri ption TX P O W E R: Ch ooses transm itter output power t o maximum or minim um. The def ault setting is "m aximum." For further details see paragraph 2.12.1. PULSELENGTH: Choo ses pulselength to short or l ong (default set ting). For details see paragraph 2.12.2. TX R A TE : The Tx rate may be[...]

5. MENU OPERA TION 5-3 5.2 COM2 Menu 5.2.1 Display ing the COM 2 menu 1. Press the MENU key to open the m enu. 2. Press ▲ to choose MENU, and then press ◄ or ► t o choose COM2. DELETING TRACK NO WHITE MARKER OFF SIG LEVEL OF F COLOR 16 BKGD COLOR 2 : SELECT : CHANGE MENU: END MENU COM1 HORZ VERT ES PRESET S Y S COM2 MIX MODE ST ANDARD COM2 me[...]

5. MENU OPERA TION 5-4 5.3 Sho rt-cut Menu , Preset Men u These menus program the CUST OM MODE ke ys [1], [2] and [3], and one of the menus appears according to t he setting of CUSTOM KEY on the S YSTEM SETTING 1 menu. Short-cut ke y: One-touch activation of corresponding dialog box. This is the def ault setting. Preset key: One-touch setup of m od[...]

5. MENU OPERA TION 5-5 5. Press ► to open the SYSTEM SETTI NG menu. OFF 10sec 30sec 1min 3min 6min OFF FLOW FROM FLOW TO SHIP'S L/L SHIP'S LOP CURSOR L/L POSITION : CURRENT DATA : HEADING INDICATION : TRUE AZ TEMP : C F CUSTOM KEY : PRESET KEY SHORT-CUT KEY TARGET L/L : OFF ON ETA MARK : : SELECT : CHANGE MENU: END MENU 1 2 m ft fa HIRO[...]

5. MENU OPERA TION 5-6 4. Set the MO DE , HI/L O , SECT OR , TR AIN , RANGE and TI L T controls a ccording to target fish or f ishing area. 5. Press th e CUST OM MOD E keys [1 ], [2] or [3 ] to program. Y ou are ask ed if you want to save the settings to the cust om key pressed. (In the example, the custom key [1] was pressed.) : CHANGE MENU: END S[...]

5. MENU OPERA TION 5-7 5.3.3 Short-cut key The def ault settings are key [1], int erference rejector; key [2], signal level, and key [3], background color . The operator m ay change their f unctions as desired. Note: In the com bination m odes the short-cut key operation is onl y possible f rom the main window . 1. Choose SHORT -CUT following t he [...]

5. MENU OPERA TION 5-8 When you find a target of interest on the horizontal displa y , simply press the function ke y programmed f or VER. SEARCH to get a cross-sectional view of the v er tical plane. This mode is useful for e valuating fish school concentration and location of the targeted fish school or f or assistance in navigation. VER TICAL SE[...]

5. MENU OPERA TION 5-9 5.4 SYSTEM Menu This menu provides ite ms which may be set according t o operator ’ s pref erence. A demonstr ation mode is provided to acquaint yo u w ith t he many funct ions of this equipment , and it m ay be used without connection of the transducer . 5.4.1 How to open the SYSTEM menu 1. Press the MENU key to open the m[...]

5. MENU OPERA TION 5-10 5.4.2 S ystem sett ing menus SYSTEM SETTING 1 menu 1. Display the SYSTEM menu and press ▲ or ▼ to choose SYSTE M SETTING . 2. Press ► . 3. Press ▲ to M ENU. 4. Press ◄ to choose “1.” OFF 10sec 30sec 1min 3min 6min OFF FLOW FROM FLOW TO SHIP'S L/L SHIP'S LOP CURSOR L/L POSITION : CURRENT DATA : HEADING[...]

5. MENU OPERA TION 5-1 1 HEAD ING INDICA TION : Chooses heading i ndi cation f orm at, true (default sett ing) or azimut h, for the echo sounder and vertical scan modes. The default sett ing is T RUE. Requires head ing data. NORT H MARK: T urns the north m arker on or of f (default set t ing). Requires heading data. CSE DA T A: Chooses heading data[...]

5. MENU OPERA TION 5-12 SYSTEM SETTING 2 menu des cription OFF ON OFF (OFF, 5-15 kt) AUTO RETRACTION : SPEED ALARM/MESSAGE: DEFAULT SETTING : NO YES : SELECT : CHANGE MENU: END MENU : 1 2 ** SYSTEM SETTING 2 ** MAXIMUM ALLOWABLE SPEED IS 15 KNOTS WHILE SOUNDOME IS BEING RETRACTED. IF VESSEL HAS RAPID ACCELERATION CAPABILITIES, AUTO RETRACTION SETTI[...]

5. MENU OPERA TION 5-13 AU TO RE TR AC TI O N: T urn on to automat ically retract t he transducer when ship’s speed exceeds the speed set here. The ship’s speed r ange for autom atic retraction is from 5 to 15 knots. The default setting is OFF (no aut omat ic retraction). The trans ducer m ay be retracted at a speed other than t he intended one[...]

5. MENU OPERA TION 5-14 5.4.3 Sonar (horizontal ) mode ra nge settings The user may preset horizon tal mode ranges as desired. 1. Choose RANGE-SO NAR MODE at the SYS menu and then press ► . 2: 4 0 3: 6 0 4: 8 0 10 : 300 11 : 400 12 : 500 13 : 600 14 : 800 15 : 1200 DEFAULT SETTING : NO YES : SELECT : CHANGE MENU: END 1: 20 (10-1600m) 5 : 100 6 : [...]

5. MENU OPERA TION 5-15 5.4.4 V ertica l scan mode range settings As with the horizontal mode, the user ma y preset t he vertical scan mode’s ranges. 1. Choose RANGE-VERTICAL MODE at the SYS m enu and then press ► . 2: 2 0 3: 3 0 4: 4 0 10 : 200 11 : 250 12 : 300 13 : 400 14 : 500 15 : 600 DEFAULT SETTING : NO YES : SELECT : CHANGE MENU: END 1:[...]

5. MENU OPERA TION 5-16 5.4.5 Echo sounder mode range settings As with the horizontal and vertical scan m odes, the user m ay pres et the echo sounder mode’s ranges. 1. Choose RANGE-E/ S MODE at the SYS menu and then press ► . 2: 2 0 3: 3 0 4: 4 0 10 : 200 11 : 250 12 : 300 13 : 400 14 : 500 15 : 600 DEFAULT SETTING : NO YES : SELECT : CHANGE M[...]

5. MENU OPERA TION 5-17 5.4.6 T rack range settings Y ou m ay choose the video plotter displ ay scale range as follo w s. 1. Choose RANGE-T RACK at the SYS menu and then press ► . 5 : 8000 2 : 1000 3 : 2000 4 : 4000 : SELECT : CHANGE MENU: END ** RANGE-TRACK MODE ** 1: 500 (100-10000m) DEFAULT SETTING : NO YES Range-track mode dialo g box 2. Pres[...]

5. MENU OPERA TION 5-18 5.4.7 Color p alette The color palette lets the user change the col or of echoes, background, text and m enu as desired. R :3 ** COLOR PALETTE ** TEXT BKGD MENU BKGD3 TEXT BKGD MENU BKGD1 TEXT BKGD MENU DEFAULT SETTING : NO YES (ECHO & BKGD COLORS WILL BE CHANGED) G: 6 B: 1 3 ECHO 2 1 3 4567 89 1 0 1 1 1 2 1 3 1 4 1 5 : [...]

5. MENU OPERA TION 5-19 5.4.8 Language Menu languag e can chosen f rom among the languages sho wn in the Language dial og box and the def ault language is English. JAPANESE ENGLISH FRANCAIS ESPANOL ITALIANO PORTUGUES DANSK NORSK SVENSK THAI : CHANGE MENU: END ** LANGUAGE ** LANGUAGE: Language dialo g box 5.4.9 System backup User settings can be bac[...]

5. MENU OPERA TION 5-20 5.4.1 1 T ransducer frequenc y a djustment If t he CH-300 is receiving interf erence from a video sounder or ot her sonar on board yo ur ship, adjust the frequency of t he CH-300’ s tr ansducer t o reduce the interf erence. 85.0 kHz (85-95 kHz) FREQ SHIFT (L) : FREQ SHIFT (H) : 215.0 kHz (205-225 kHz) : CHANGE MENU: END **[...]

5. MENU OPERA TION 5-21 5.4.13 Restoring al l default settings The item DEF AUL T lets you restore all default m enu settings. Choose YES and press the MENU key to restore all def ault settings. Not e that SOUNDOME SER. NO (SYSTEM SETTING2 menu) and t he contents stored by using the SYSTEM BACKUP feature (paragraph 5.4.9) are not disturbed. NO YES [...]

5. MENU OPERA TION 5-22 This page intentionall y left blank.[...]

6-1 6. MAINTENANCE, TROUBLESHOOTING This chapter provides inf ormation necessa ry f or keeping the equipm ent in good working order . WARNING ELECTRICAL SHOCK HAZARD Do not open the equipment. Only qualified personnel should work inside the equipment. 6.1 Pre v enti v e M aintenance Check the f ollowing points monthly . • Check all cables. If dam[...]

6. MAIN TENANCE, TROUBLESH OOTING 6-2 6.3 Hull Unit Maintenance 6.3.1 Lubricati on Grease the raise/lo wer screw shaft once a year . Also, grease the raise/lower main shaft (upper part of the grease cotton retainer) t w ice a year . These parts can be accessed by removing the raise/lo wer drive assembly cover . 6.3.2 M anuall y raising, low ering t[...]

6. MAIN TENANCE , TROUBLESH OOTING 6-3 6.4 T ran sducer Maintenan ce W hen the ship is dry-docked remove mari ne gro wth f rom t he transducer with fine sandp aper or a piec e of wood. Coat the t r ansducer f ace w ith anti-f ouling paint (Chugoku MarineS tar 20 Red or th e equivalent) NOTICE Do not paint the transducer face. Loss of sensitivity wi[...]

6. MAIN TENANCE, TROUBLESH OOTING 6-4 6.6 T rouble shooting The table below provide s common sym ptoms of equipm ent troubles an d the means t o rectify the m. Symptom Check, Remedy Cannot turn on the power . • Check cable between transceiver unit and monitor unit. • Check ship’s mains . • Have a suitably qualified technician check the fuse[...]

6. MAIN TENANCE , TROUBLESH OOTING 6-5 6.7 Error Messages The table below sho ws the error m essages which may appear on the displa y . All error messages are accom pa nied by an audio al arm, w hich you may silence with the R/ B key . Message Meaning, Remedy Hull U nit HULL UNIT POW ER OFF (CHECK BREAKER AN D FUSE. ) PRESS R/B KEY TO SILENCE ALARM[...]

6. MAIN TENANCE, TROUBLESH OOTING 6-6 6.8 Diagnos tics 1. Press the MENU key to open the m enu. 2. Press ▲ to choose MENU, and then press ► to choose SYS. 3. Press ▼ to choose GO T O SYS MENU. 4. Press ◄ to choose Y ES. 5. Choose TEST and press ► to start the test. The la m ps above the XDR switches light alternatel y for one second while[...]

6. MAIN TENANCE , TROUBLESH OOTING 6-7 • TRAIN shows a figure bet w een 355- 359 if norm al. NG appears in case of train error . • TEST COUNT shows the number of t imes the test has been consecutively execut ed. • At the bottom of the screen there are t wo majo r groups of zeroes (0), and they represent the keys and controls o n the control p[...]

6. MAIN TENANCE, TROUBLESH OOTING 6-8 6.9 T est Pattern A test pattern can be displayed to check f or proper display of colors. 1. Press the MENU key to open the m enu. 2. Press ▲ to choose MENU, and then press ► to choose SYS. 3. Press ▼ to choose GO T O SYS MENU. 4. Press ◄ to choose Y ES. 5. Choose TEST P A TT ERN and press ► to displa[...]

A P-1 MENU TREE [MENU] ke y TX POWER ( MAX , MIN) PULSELENGTH ( LONG , SHORT) TX RA TE (EXTERNAL, 1-10; 10 ) INT REJECT ( OFF , ON) AGC ( OFF , ON) A UDIO LEVEL ( 0 -10) COM2 menu TV G LEVEL (0-10, 4.0 ) TV G DIST ANCE (0-10, 4.0 ) RES. COLOR ( LOG , LINEAR, SQU ARE, CUBE) CLUTTER ( 0 , 1, 2, 3) T ARGET KEY (POSITION , ECHO ) LOCK MODE ( AU TO , MA[...]

MENU T REE AP - 2 SYSTEM SETTING (See below .) SYSTEM menu (CONTINUED FROM PREVIOUS P AGE) RANGE-SONAR MODE (all default r anges) m: 20, 40, 60, 80, 100, 120, 160, 200, 250, 300, 400, 500, 600, 800, 1200 ft: 50, 100, 200, 300, 400, 500, 600, 700, 800, 1000, 1200, 1500, 2000, 3000, 4000 fa: 10, 20, 40, 60, 80, 100, 120, 140, 160, 200, 250, 300, 400,[...]

FURUNO CH-300 SP - 1 E125S01A DUAL-FREQUENCY SEA RCHLI GHT SON A R CH-300 1. GENERAL 1.1 Display Syst em 10.4-inch color TFT L CD (or externa l monitor) 1.2 Transmit Frequency Dual fr equency, 60/ 153 kHz or 85/215 kHz 1.3 Output Power 1.0 kW 1.4 Range (default sett ing) Meter Feet Fathom P/B Hiro Rng Horz Vert ES Horz Vert ES Ho rz Vert ES Horz Ve[...]

FURUNO CH-300 SP - 2 E125S01A 2.4 Display Mode Horiz ont al1, Horizonta l ex pansion1, Vert i cal scan1, Ech o sounder1, H oriz ontal2, Ho rizont al expan sion2, Vert ical scan2, Echo sou nder2, Combin at ion (v erti cal scan port / st arboard, vertical scan upward/ dow nw ard, Strata, Hi story) 2.5 Alphanumer ica l I ndication Ra nge, Tilt angl e,[...]

FURUNO CH-300 SP - 3 E125S01A 4.6 Vertical Sca n Mode Cont rol Scanning a ngle: 6 ° to 180 ° , 12 ° step Scanning ce nter: 0 ° to 180 ° , 6 ° step Scanning step a ngle: Normal: 3 ° , Hi gh speed: 6 ° Time to trai n: 360 ° , 6 ° step 4.7 Transce iver Beam W idth Frequency Hor izontal Vert ical 60 kHz: 16 ° /22 ° 14 ° /20 ° 85 kHz: 11 ?[...]

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IN-1 INDEX A AGC ............................................................. 5-2 A-scope display ........................................... 4-9 Automa tic tilt .............................................. 2-23 B Backgro und color......................................... 5-2 Backup d ata loading .................................................[...]

INDEX IN-2 M MAIN/SUB key................................. 2-31 , 3-17 Maintenan ce hull u nit .................................................... 6-2 preventi ve ................................................ 6-1 replacemen t of fuse ................................. 6-3 transdu cer................................................ 6 -3 MENU k ey[...]