Standard Horizon GX3500S manual

Page 1 GX3500S QU ANTUM Series GX3500S 25 Watt VHF/FM ITU Class D DSC Marine T ransceiver Owner's Manual  Oversized alphanumeric LCD, knobs and keys  30 W Loud Hailer with listen back and 4 fog horns, Bells & Whistles  Direct keypad entry of a channel using the keyp ad  Removable ClearV oice speaker microphone with 16/9 key and[...]

GX3500S Page 2 T ABLE OF CONTENTS 1 GENERAL INFORMA TION ...................................................................................... 4 2 P ACKING LI ST ........................................................................................................ 4 3 OPTIONS ......................................................................[...]

Page 3 GX3500S 1 1.3 DSC DISTRESS CALL ................................................................................. 38 1 1.3.1 T ansmitting a DSC Distress Call ........................................................ 38 1 1.3.2 Receiving a D SC Distress Call .......................................................... 40 1 1.4 ALL SHIPS CALL ...[...]

GX3500S Page 4 1 GENERAL INFORMA TION The V ertex S tandard GX3500S is a VHF/FM transceiver designed for use in the frequency range of 156.025 to 163.275 MHz. The GX3500S can be oper- ated from 1 1 to 16 VDC and has a switchable RF output power of 1 watt or 25 watts. The GX3500S is capable of DSC (Digital Selective Calling) Class D operation and an[...]

Page 5 GX3500S 4 SAFETY / W ARNING INFORMA TION This radio is restricted to occupational use, work related operations only where the radio operator must have the knowledge to control the exposure conditions of its passengers and byst anders by maintaining the minimum separation dis- tance of 0.6 m (2 feet). Failure to observe these restrictions wil[...]

GX3500S Page 6 5 FCC RADIO LICENSE INFORMA TION V ertex St andard radios comply with the Federal Communication Commission (FCC) requirements that regulate the Maritime Radio Service. ST A TION LICENSE An FCC ship station license is no longer required for any vessel traveling in U.S. waters (except Hawaii) which is under 20 meters in length. However[...]

Page 7 GX3500S 6 FCC NOTICE NOTICE Unauthorized changes or modifications to this equipment may void com- pliance with FCC Rules. Any change or modification must be approved in writing by Marine Division of V ertex S tandard. NOTICE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 o[...]

GX3500S Page 8 7 GETTING ST ARTED 7.1 ABOUT VHF RADIO The radio frequencies used in the VHF marine band lie between 156 and 158 MHz with some shore stations available between 161 and 163 MHz. The ma- rine VHF band provides communications over distances that are essentially “line of sight” (VHF signals do not travel well through objects such as [...]

Page 9 GX3500S 7.3 COAXIAL CABLE VHF antennas are connected to the transceiver by means of a coaxial cable – a shielded transmission line. Coaxial cable is specified by it’s diameter and construction. For runs less than 20 feet, RG-58/U, about 1/4 inch in diameter is a good choice. For runs over 20 feet but less than 50 feet, the larger RG-8X o[...]

GX3500S Page 10 8 INST ALLA TION 8.1 LOCA TION The radio can be mounted at any angle. Choose a mounting location that: • is far enough from any compass to avoid any deviation in compass read- ing due to the speaker magnet • provides accessibility to the front panel controls • allows connection to a power source and an antenna • has nearby s[...]

Page 11 GX3500S 2. Connect the red power wire to a 13.8 VDC ±20% power source. Connect the black power wire to a negative ground. 3. If an optional remote extension speaker is to be used, refer to next section for connections. 4. It is advisable to have a Certified Marine T echnician check the power output and the standing wave ratio of the antenn[...]

GX3500S Page 12 8.4 CONNECTION OF GPS WITH NMEA OUTPUT • The GPS must have the NMEA Output turned on and set to 4800 Baud in the setup menu. If there is a selection for parity select none. • For further information on interfacing /setting up your GPS. Please contact the manufacturer of the GPS receiver . • GX3500S can read NMEA-0183 version 2[...]

Page 13 GX3500S 8.6 CHANGING THE GPS TIME From the Factory the GX3500S shows GPS satellite time or UTC time. A time offset is needed to show the local time in your area. 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2. Press the [ ENT ] key , then select “ Time Set ” with the CHANNEL selector knob. 3. P[...]

GX3500S Page 14 8.7 CHANGING THE TIME LOCA TION Y ou may select the time display between local time and UTC (time GPS sends to radio). T ime is displayed when GPS position (LA T/LON) is displayed by press- ing the [ F ] key followed by the [ 6 ( NA V )] key . 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2.[...]

Page 15 GX3500S 8.8 CHANGING COG TO TRUE OR MAGNETIC Allows customizing the NA V data showing GPS Course Over Ground (COG). Factory default is T rue however following the steps below the COG can be changed to Magnetic. 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2. Press the [ ENT ] key , then select “ [...]

GX3500S Page 16 8.9 OPTIONAL MMB-84 FLUSH MOUNT INST ALLA TION 1. T o assist in flush mounting, a template has been included. Use this tem- plate to find the mounting location. 2. Use the template to mark the location where the rectangular hole is to be cut. Confirm the space behind the dash or panel is deep enough to accom- modate the transceiver [...]

Page 17 GX3500S 8.10 OPTIONAL ENHANCED RAM+ SECOND ST A TION MIC INST ALLA TION The GX3500S is capable of using up to 2 Enhanced RAM+ mics to remotely control the Radio, DSC and P A/Fog functions. In addition the GX3500S can operate as a full function intercom system. With 2 RAM+ mics connected the GX3500S or RAM+ mics can selective call each st at[...]

GX3500S Page 18 9 CONTROLS AND INDICA T ORS NOTE This section defines each control of the transceiver . See Figure 4 for location of controls. For detailed operating instructions refer to section “ 10 BASIC OPERA TION .” VOLUME CONTROL ( VOL ) Adjusting this control clockwise, increases the audio volume level. SQUELCH CONTROL ( SQL ) Adjusting [...]

Page 19 GX3500S Figure 4. Controls and Connectors DIST RESS PULL OPEN -/* JKL[...]

GX3500S Page 20 [ PWR ] Key T urns the transceiver on and off. T o turn the transceiver on, press and hold this key until the LCD turns on. T o turn it off, press and hold this key until the LCD turns off. When the power is turned on, the transceiver is set to the last selected channel. CHANNEL SELECT OR KNOB Rotary knob used to select channels and[...]

Page 21 GX3500S [ 4 ( DW )] Key When in radio mode, this key is used to directly select channel digit “4” in a channel number . Secondary use (Depends on the transceiver version) Press the [ F ] key first then press the [ 4 ( DW )] key , scan for voice commu- nications on the priority channel and another selected channel until a signal is recei[...]

GX3500S Page 22 [ 9 ( FOG )] Key When in radio mode, this key is used to directly select channel digit “9” in a channel number . Secondary use Press the [ F ] key first then press the [ 9 ( FOG )] key , available to operate the Fog Horn function. Refer to section “ 10.13 P A/FOG OPERA TION ” for details. [ 0 ] Key When in radio mode, this k[...]

Page 23 GX3500S [ F ] Key Press the [ F ] key to activate the “Alternate” key function. [ DISTRESS ] Key Used to send a DSC Distress Call. T o send the distress call refer to section “ 1 1.3.1 (T ransmitting A DSC Distress Call) .” ACCESSOR Y CONNECTION CABLE Connect s the GX3500S to a GPS, a P A speaker , and an external speaker . DC INPUT[...]

GX3500S Page 24 10 BASIC OPERA TION 10.1 RECEPTION 1. After the transceiver has been installed, ensure that the power supply and antenna are properly connected. 2. Press and hold the [ PWR ] key until the radio turns on. 3. T urn the SQL knob fully counterclockwise. This st ate is known as “squelch off”. 4. T urn up the VOL knob until noise or [...]

Page 25 GX3500S 10.3 TRANSMIT TIME - OUT TIMER ( TOT ) When the PTT switch on the microphone is held down, transmit time is limited to 5 minutes. This limit s unintentional transmissions due to a stuck microphone. About 10 seconds before automatic transmitter shutdown, a warning beep will be heard from the speaker(s). The transceiver will automatic[...]

GX3500S Page 26 section “ 12.9 WX ALERT ”), the transceiver is cap able of receiving this alert if the following is performed: 1. Program NOAA weather channels into the transceiver’s memory for scan- ning. Follow the same procedure as for regular channels under section “10.12.” 2. Press the [ SCAN ] key once to start memory scanning or ho[...]

Page 27 GX3500S 8. Give your vessel’s description: length, design (power or sail), color and other distinguishing marks. The tot al transmission should not exceed 1 minute. 9. End the message by saying “ OVER .” Release the microphone button and listen. 10 . If there is no answer , repeat the above procedure. If there is still no re- sponse, [...]

GX3500S Page 28 10.9 MAKING TELEPHONE CALLS T o make a radiotelephone call, use a channel designated for this purpose, The fastest way to learn which channels are used for radiotelephone traffic is to ask at a local marina. Channels available for such traffic are designated Public Correspondence channels on the channel charts in this manual. Some e[...]

Page 29 GX3500S 10.12 SCANNING Allows the user to select the scan type from Memory scan or Priority scan. “Memory scan” scans the channels that were programmed into memory . “Pri- ority scan” scans the channels programmed in memory with the priority chan- nel. 10.12.1 Selecting the Scan T ype 1. Press and hold down the [ CALL ( MENU )] key [...]

GX3500S Page 30 10.12.3 Priority Scanning ( P-SCAN ) In the default setting, Channel 16 is set as the priority channel. Y ou may change the priority channel to the desired channel from the Channel 16 by the Radio Setup Mode, refer to section “ 12.5 PRIORITY CHANNEL SET .” 1. Adjust the SQL knob until background noise disappears. 2. Select a des[...]

Page 31 GX3500S 10.13.1 Operating the P A HAIL mode 1. Press the [ F ] key followed by the [ 8 ( PA )] key to acti- vate the P A HAIL mode. 2. Press the PTT switch to speak through the HAIL/P A speaker . Rotate the CHANNEL selector knob to control the AF output level. The AF output level can be set from 0 to 30 watts. 3. T o exit the P A HAIL mode [...]

GX3500S Page 32 10.15 LCD DIMMER Allows setting up the backlight intensity or to turn it off. 1. Press the [ F ] key followed by the [ 1 ( DIM )] key to en- abling the setting up the backlight intensity . 2. Turn the CHANNEL selector knob to select the de- sired backlight intensity . Y ou will be able to see the effect s of your changes. 3. When yo[...]

Page 33 GX3500S 10.16.1 Communication 1. Press the [ F ] key followed by the [ 5 ( IC )] key , the mode is changed to “INTERCOM” mode. 2. If your GX3500S is equipped two RAM+ Mic’s, se- lect the companion you wish to communicate (RAM1, RAM2, or ALL) with the CHANNEL selector knob, then press the [ ENT ] key . 3. When the “INTERCOM” operat[...]

GX3500S Page 34 10.17 VOICE SCRAMBLER If privacy of communications is desired, a CVS2500 voice scrambler (VS) can be installed in the transceiver . Contact your Dealer to have a CVS2500 installed. 1. Press the [ F ] key followed by the [ 7 ( SCRM )] key , the voice scrambler is activated. “ VS ” will appear on the LCD. 2. Press the [ F ] key th[...]

Page 35 GX3500S MEMO[...]

GX3500S Page 36 1 1 DIGIT AL SELECTIVE CALLING 1 1.1 GENERAL W ARNING This radio is designed to generate a digital maritime distress and safety call to facilitate search and rescue. T o be effective as a safety device, this equipment must be used only within communication range of a shore- based VHF marine channel 70 distress and safety watch syste[...]

Page 37 GX3500S 1 1.2 MARITIME MOBILE SERVICE IDENTITY (MMSI) 1 1.2.1 What is an MMSI? An MMSI is a nine digit number used on Marine T ransceivers capable of using Digital Selective Calling (DSC). This number is used like a telephone number to selectively call other vessels. THIS NUMBER MUST BE PROGRAMMED INTO THE RADIO T O OPERA TE THE GX3500S DSC[...]

GX3500S Page 38 1 1.3 DSC DISTRESS CALL The GX3500S is capable of transmitting and receiving DSC Distress messages to all DSC radios. The GX3500S may be connected to a GPS to also transmit the Latitude, Longitude of the vessel. 1 1.3.1 T ransmitting a DSC Distress Call NOTE T o be able to transmit a DSC distress call an MMSI number must be programm[...]

Page 39 GX3500S T ransmitting a DSC Distress Call with Nature of Distress The GX3500S is capable of transmitting a DSC Distress Call with the following “Nature of Distress” categories: Undesignated, Fire, Flooding, Collision, Grounding, Capsizing, Sinking, Adrift, Abandoning, Piracy , MOB 1. Lift the red spring loaded DISTRESS cover and press t[...]

GX3500S Page 40 1 1.3.2 Receiving a DSC Distress Call 1. When a DSC Distress call is received, an emergency alarm sounds. Then channel 16 is automatically selected. 2. Press any key to stop the alarm. 3. Turn the CHANNEL selector knob to change the dis- play to show the position of the vessel in distress. 4 If the position of the vessel distress da[...]

Page 41 GX3500S 1 1.4.1 T ransmitting an All Ship s Call 1. Press the [ CALL ( MENU )] key . The “ DSC Operation ” menu will appear . 2. T urn the CHANNEL selector knob to select “ All Ships .” 3. Press the [ ENT ] key . (T o cancel, turn the CHANNEL selector knob to select “ Exit .”) 4. T urn the CHANNEL selector knob to select the cal[...]

GX3500S Page 42 1 1.5 INDIVIDUAL CALL This feature allows the GX3500S to contact another vessel with a DSC VHF radio and automatically switch the receiving radio to a desired communications channel. This feature is similar to calling a vessel on CH16 and requesting to go to another channel (switching to the channel is private between the two statio[...]

Page 43 GX3500S 10. Enter the MMSI number by the keypad. If a mist ake was made entering in the number , pressing the [ CLR ] key to delete the wrong character . 1 1. T o store the data entered, press and hold the [ ENT ] key . 12. T o enter another individual address, repeat steps 4 through 12. 13. T o exit this menu and return to radio operation [...]

GX3500S Page 44 1 1.5.3 Setting up the Individual/Group Call Ringer When a Individual Call or Group Call is received the radio will produce a ringing tone for 3 minutes. This selection allows the Individual Call ringer time to be changed. 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appear . 2 . Turn the CHANNEL se[...]

Page 45 GX3500S 1 1.5.4 T ransmitting an Individual Call This feature allows the user to contact another vessel with a DSC radio. This feature is similar to calling a vessel on CH16 and requesting to go to another channel. Pre-Programmable Calling 1. Press the [ CALL ( MENU )] key . The “ DSC Operation ” menu will appear . 2 . T urn the CHANNEL[...]

GX3500S Page 46 Manual Calling Y ou may enter an MMSI number manually to contact without the Setting up the Individual Directory . 1. Press the [ CALL ( MENU )] key . The “ DSC Operation ” menu will appear . 2 . T urn the CHANNEL selector knob to select “ Indi- vidual .” (T o cancel, select “ Exit ” with the CHANNEL selector knob or pre[...]

Page 47 GX3500S 1 1.5.5 Receiving an Individual Call When receiving an individual call, an acknowledgment must be sent back to the calling station. The GX3500S default setting is Automatic, but has a selection that allows you to manually send a reply before the radio will switch to the re- quested calling channel. This selection is useful if you wa[...]

GX3500S Page 48 1 1.6 GROUP CALL This feature allows the user to contact a group of specific vessels (example members of a yacht club) using DSC radios with Group call function to auto- matically switch to a desired channel for voice communications. 1 1.6.1 Setting up a Group Call For this function to operate the same Group MMSI must be programmed [...]

Page 49 GX3500S number entry . 10. Enter the MMSI number by the keypad. If a mist ake was made entering in the number , press the [ CLR ] key to delete the wrong character . 1 1. T o enter the desired number and move one space to the right press the [ ENT ] key . Repeat procedure until all nine sp aces of MMSI number are entered. 12. If a mistake w[...]

GX3500S Page 50 Manual Calling Y ou may enter an MMSI number manually to contact without the Setting up the Group call number . 1. Press the [ CALL ( MENU )] key . The “ DSC Operation ” menu will appear . 2. T urn the CHANNEL selector knob to select “ Group .” (T o cancel, select “ Exit ” with the CHANNEL selector knob or press [ 16/9 ][...]

Page 51 GX3500S 1 1.6.3 Receiving a Group Call 1. When a group call is received, the GX3500S will pro- duce a ringing alarm sound. 2. The radio automatically switches to the requested channel. 3. Press any key to stop the alarm. 4. Monitor the channel for the person calling the Group for a message. 5. If you want to respond, monitor the channel to [...]

GX3500S Page 52 1 1.7 POSITION REQUEST Advancements in DSC have made it possible to poll the location of another vessel and show the position of that vessel on the display of the GX3500S . S tandard Horizon has t aken this feature one step further , if any S tandard Hori- zon GPS is connected to the GX3500S , the polled position of the vessel is sh[...]

Page 53 GX3500S The GX3500S has the cap ability to turn off the Position Request ringer . 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appear . 2 . Turn the CHANNEL selector knob to select “ DSC Setup ” menu. 3. Press the [ ENT ] key , then select “ DSC Beep ” with the CHANNEL selector knob. 4. Press the [ [...]

GX3500S Page 54 NOTE If the GX3500S does not receive position dat a from the polled vessel, the LCD will show “NO POSITION DA T A.” Manual Request Y ou may enter an MMSI number manually to contact without the Setting up the Individual / Position Call Directory . 1. Press the [ CALL ( MENU )] key . The “ DSC Operation ” menu will appear in t[...]

Page 55 GX3500S 1 1.7.3 Receiving a Position Request When a position request call is received from another vessel, a ringing alarm will sound and POS REQUEST will be show in the LCD. Operation and trans- ceiver function differs depending on “ POS Reply ” in the “ DSC Setup ” menu setting. Automatically reply: 1. When a position request call[...]

GX3500S Page 56 1 1.8 POSITION SEND The feature is similar to Position Request, however instead of requesting a position of another vessel this function allows you to send your position to an- other vessel. Y our vessel must have an operating GPS receiver connected for the GX3500S to send the position. 1 1.8.1 Setting up a Position Send Ringer The [...]

Page 57 GX3500S 1 1.8.2 T ransmitting a DSC Position Send Call Pre-Programmable Calling 1. Press the [ CALL ( MENU )] key . The “ DSC Operation ” menu will appear in the display . 2. Turn the CHANNEL selector knob to select the “ POS Send .” 3. Press the [ ENT ] key to select the Individual directory . 4. Turn the CHANNEL selector knob to s[...]

GX3500S Page 58 1 1.8.3 Receiving a DSC Position Send Call When another vessel transmits their vessels location to the GX3500S the fol- lowing will happen: 1. A ringing sound will be produced when the call is received. 2. Press the [ 16/9 ] key to stop ringing 3. The position from the vessel sending it's position will be shown on the dis- play[...]

Page 59 GX3500S 1 1.9 MANUAL INPUTTING OF THE GPS LOCA TION ( LA T/LON ) Y ou may send the Latitude/Longitude of your vessel manually even if the GX3500S is not connected the GPS receiver unit. After the position is entered, transmitting a DSC Distress, Position Request, or Position Send will contain the manually entered position. 1. Press and hold[...]

GX3500S Page 60 12 RADIO SETUP NOTE The optional RAM+ MIC CMP25 can also change the RADIO SETUP menu. Refer to page 74 for det ails. 12.1 LCD CONTRAST This selection sets up the display for best viewabilty for the varying mounting locations (overhead or below). 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. [...]

Page 61 GX3500S 12.2 TIME OFFSET This selection sets the time of fset between local time and UTC (time GPS sends to radio). T ime is displayed when GPS position (LA T/LON) is displayed by pressing the [ F ] key followed by the [ 6 ( NA V )] key . 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2. Press the [ [...]

GX3500S Page 62 12.3 TIME LOCA TION This selection selects the time display between local time and UTC (time GPS sends to radio). T ime is displayed when GPS position (LA T/LON) is displayed by pressing the [ F ] key followed by the [ 6 ( NA V )] key . 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2. Press [...]

Page 63 GX3500S 12.5 PRIORITY CHANNEL SET Allows selection of the priority channel. 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2. Press the [ ENT ] key , then select “ Priority CH ” in the “ Radio Setup ” menu with the CHANNEL selector knob. 3. Press the [ ENT ] key . 4. Turn the CHANNEL selector[...]

GX3500S Page 64 12.7 SCAN RESUME TIME This selection is used to select the time the GX3500S waits after a transmis- sion ends before starting scanning. 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2. Press the [ ENT ] key , then select “ SCAN Resume ” in the “ Radio Setup ” menu with the CHANNEL se[...]

Page 65 GX3500S 12.9 WX ALERT This selection allows the radios NOAA W eather alert to be turned off. Default setting is ON. 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2. Press the [ ENT ] key , then select “ WX Alert ” in the “ Radio Setup ” menu with the CHANNEL selector knob. 3. Press the [ ENT[...]

GX3500S Page 66 12.10 CHANNEL NAME CHANGE This selection allows you to customize the name of a channel from the default name. 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2. Press the [ ENT ] key , then select “ CH Name ” in the “ Radio Setup ” menu with the CHANNEL selector knob. 3. Press the [ EN[...]

Page 67 GX3500S 12.1 1 NAMING THE RADIO OR RAM+ ST A TIONS This selection allows you to provide the name to the radio and optional RAM+ Mic’s when connected. 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appears. 2. Press the [ ENT ] key , then select “ Unit Name ” in the “ Radio Setup ” menu with the CHAN[...]

GX3500S Page 68 12.12 FOG ALERT T ONE FREQUENCY This selection allows you to select the Alert T one Frequency for the P A /FOG Operation. A vailable selections are “200 Hz” through “850 Hz” in 50 Hz steps. The default Alert T one Frequency is 400 Hz. 1. Press and hold down the [ CALL ( MENU )] key until “ Radio Setup ” menu appear . 2. [...]

Page 69 GX3500S 13 ENHANCED RAM+ MIC OPERA TION When the RAM+ microphone is connected to the GX3500S , most VHF , DSC, setup menus and P A modes can be remotely operated. The RAM+ Mic sup- plied with 23 feet (7 m) of routing cable and can be extended up to 70 feet (21 m) using three 23 feet extension cables model CT -100 . The intercom operation ca[...]

GX3500S Page 70 POWER SWITCH ( PWR ) Press and hold down this key to turn to the transceiver and RAM+ Mic on and off. PTT ( Push-T o-T alk ) SWITCH Activates transmission. [ H/L ] KEY T oggles between high and low power . When the [ H/L ] key is pressed while the transceiver is on channel 13 or 67, the power will temporarily switch from LO to HI po[...]

Page 71 GX3500S [ DW ] Key W atches for a transmission on CH16 and another selected channel until either signal is received. (Dual watch) Secondary use Press and hold [ DW ] key , intercom operation will operate between radio and RAM+ Mic. [ NA V ] Key Press this key , when connected to the GPS receiver , the LCD displays Position Data and T ime fr[...]

GX3500S Page 72 RECEIVED ACK: acknowledgment signal is received. RECEIVED RL Y : relay signal is received from another vessel or coast station. 8. T o cancel the DSC distress alarm signal from the speaker , press any key . 13.2 INTERCOM OPERA TION 13.2.1 Communication 1 . Press and hold the [ DW ] key while in the “RADIO” mode, the mode is chan[...]

Page 73 GX3500S 13.3 P A/FOG OPERA TION The RAM+ is capable of controlling the 30W Public address, 4 fog horns, bells and whistles. 13.3.1 Operating the P A / Hailer 1. Press and hold the [ NA V ] key then select P A with the [  ] or [  ] key . 2. Press the [ CALL/SET ] key . 3. Press the PTT switch and speak into the microphone. 4. T o turn [...]

GX3500S Page 74 13.4 DSC/RADIO SETUP MODE The RAM+ can access the DSC / RADIO setup menu (refer to section “ 10 DIGIT AL SELECTIVE CALLING ” and section “ 12 RADIO SETUP ” for details). The LAMP , CONTRAST , and KEY BEEP menu item accessed from the RAM+ only controls the RAM+’s display and speaker . DSC/RADIO Setup mode from the RAM+: 1. [...]

Page 75 GX3500S 14 MAINTENANCE The inherent quality of the solid-state component s used in this transceiver will provide many years of continuous use. T aking the following precautions will pre- vent damage to the transceiver . • Keep the microphone connected or the jack covered at all times to prevent corrosion of electrical cont acts; • Never[...]

GX3500S Page 76 SYMPTOM Transceiver fails to power up. Transceiver blows fuse when connected to power supply . Popping or whining noise from the speaker while engine runs. Sound is not emitted from the internal or ex- ternal speaker . Receiving station re- port low transmit power , even with trans- ceiver set to HI power . “HI BA TTER Y” or “[...]

Page 77 GX3500S 15. CHANNEL ASSIGNMENTS T ables on the following columns list the VHF Marine Channel assignments for U.S.A. and International use. Below are listed some data about the charts. 1. VTS. Where indicated, these channels are part of the U.S. Coast Guard’s V essel T raffic S ystem. 2. Alpha channel numbers, that is, channel numbers foll[...]

GX3500S Page 78 6. Marine vessels equipped with VHF radios are required to monitor Channel 16 . VHF MARINE CHANNEL CHART CH U C I S/D TX RX CHANNEL USE 01 X X D 156.050 160.650 Public Correspondence (Marine Operator) 01A X S 156.050 Port Operation and Commercial. VTS in selected areas 02 X X D 156.100 160.700 Public Correspondence (Marine Operator)[...]

Page 79 GX3500S VHF MARINE CHANNEL CHART CH U C I S/D TX RX CHANNEL USE 23 X X D 157.150 161.750 Public Correspondence (Marine Operator) 23A X S 157.150 U.S. Government Only 24 X X X D 157.200 161.800 Public Correspondence (Marine Operator) 25 X X X D 157.250 161.850 Public Correspondence (Marine Operator) 26 X X X D 157.300 161.900 Public Correspo[...]

GX3500S Page 80 VHF MARINE CHANNEL CHART CH U C I S/D TX RX CHANNEL USE 75 X S 156.775 Port Operations (Inter-ship only) (1W) 76 X S 156.825 Port Operations (Inter-ship only) (1W) 77 X X S 156.875 Port Operations (Inter-ship only) (1W) 77 X S 156.875 Port Operations (Inter-ship only) 78 X D 156.925 161.525 Public Correspondence (Marine Operator), P[...]

Page 81 GX3500S Noncommercial 68 17 156.425 156.425 09 16 156.450 156.450 69 156.475 156.475 71 156.575 156.575 72 156.625 ........ Intership only . 78A 156.925 156.925 79A 156.975 156.975 Great Lakes only . 80A 157.025 157.025 Do. 67 14 156.375 ....... Internship only . Distress, Safety and Calling 16 156.800 156.800 EPRIB Intership Safety 06 156.[...]

GX3500S Page 82 4: Use of 156.875 MHz is limited to communications with pilots regarding the movement and docking of ships. Normal output power must not exceed 1 watt. 5: 156.375 MHz and 156.650 MHz are available primarily for intership navigational commu- nications. These frequencies are available between coast and ship on a secondary basis when u[...]

Page 83 GX3500S 16. W ARRANTY Marine Products Limited W arranty ST ANDARD HORIZON (a division of V ertex S tandard) warrants, to the original purchaser only , each new Marine Communications Product (“Product”) manu- factured and/or supplied by ST ANDARD HORIZON against defects in materi- als and workmanship under normal use and service for a pe[...]

GX3500S Page 84 ST ANDARD HORIZON will not warrant inst allation, maintenance or service of the Products. In all inst ances, ST ANDARD HORIZON ’ s liability for damages shall not exceed the purchase price of the defective Product. This warranty only extends to Products sold within the 50 S tates of the United S t ates of America and the District [...]

Page 85 GX3500S ONL Y PRODUCTS SOLD ON OR AFTER JANUARY 1, 1991 ARE COVERED UNDER THE TERMS OF THIS LIMITED WARRANTY . ON-LINE W ARRANTY REGISTRA TION THANK YOU for buying Marine Division of V ertex S tandard products! We are confident your new radio will serve your needs for many years! Please visit w ww .standardhorizon.com to register the GX3500[...]

GX3500S Page 86 17 SPECIFICA TIONS Performance specifications are nominal, unless otherwise indicated, and are subject to change without notice. 17.1 GENERAL Channels ............................................................. All USA, International and Canadian Input V olt age .....................................................................[...]

Page 87 GX3500S 18 APPENDIX FOG HORN TIMING CHART The fog horn function sounds a horn repeatedly until the function is turned off. TYPE P A TTERN USAGE 120s Listen Back 5s 5s 2s 2s 120s Listen Back 1s 1s 1s 1s 2s 2s 2s 2s 120s Listen Bac k 1s 1s 1s 1s 1s 1s 2s 2s 2s 2s 2s 2s 120s Listen Bac k 60s Listen Back 60s Listen Back UNDERW A Y STOP SAIL TOW[...]

GX3500S Page 88 Copyright 2004 VERTEX ST ANDARD CO., L TD. All rights reserved. No portion of this manual may be reproduced without the permission of VERTEX ST ANDARD CO., L TD. 0410p-0Y Marine Division of VERTEX STANDARD US Headquarters 10900 Walker Street, Cypress, CA 90630, U.S.A. www.standardhorizon.com EM006N200[...]