Vertex Standard VX-177 manual

UHF FM TRANSCEIVER VX-177 O PERATING M ANUAL VERTEX STANDARD CO., LTD. 4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan VERTEX STANDARD US Headquarters 10900 Walker Street, Cypress, CA 90630, U.S.A. YAESU EUROPE B.V. P.O. Box 75525, 1118 ZN Schiphol, The Netherlands YAESU UK LTD. Unit 12, Sun Valley Business Park, Winnall Close Winchester, Hampsh[...]

Contents Scanning .......................................................... 36 VFO Scanning .............................................. 37 Manual VFO Scan ................................... 37 Programmed VFO Scan ........................... 37 Memory Scanning ........................................ 38 How to Skip (Omit) a Channel during Memor[...]

VX-177 O PERA TING M ANUAL 1 G ENERAL D ESCRIPTION The VX-177 is a compact, high-performance submersible  FM hand-held providing up to five watts of RF power and wealth of convenient features for the 430 MHz amateur band. New and exciting features of the VX-177 are the Emergency Automatic ID (EAI) function, that will automatically cause your VX-[...]

VX-177 O PERA TING M ANUAL 2 S UPPLIED A CCESSORIES  FNB-83 7.2 V , 1,400 mAh Rechargeable Nickel-Metal Hydride Battery Pack  NC-88B/C Overnight Battery Charger (10-Hour)  YHA-69 Antenna  Quick Draw Belt Clip  Operating Manual  W arranty Card A V AILABLE O PTIONS  FNB-83 7.2 V , 1,400 mAh Rechargeable Nickel-Metal Hydride Batte[...]

VX-177 O PERA TING M ANUAL 3  Antenna Jack Connect the supplied rubber flex antenna (or an- other antenna presenting a 50-Ohm impedance) here.  MIC/SP Jack This four-conductor miniature jack provides con- nection points for microphone audio, earphone audio, PTT , and ground. Do not allow the VX-177 to become submerged in water while the plast[...]

VX-177 O PERA TING M ANUAL 4 C ONTROLS & C ONNECTORS ( LCD ) Operating Frequency Memory Channel Number S- & PO Meter Secondary Keypad Active Skip Memory Channel or Preferential Memory Channel Repeater Shift Direction CTCSS/DSC Operation Internet Connection Feature Active Key Lock Active Bell Alarm Active Battery Saver Active Dual W atch Act[...]

VX-177 O PERA TING M ANUAL 5  PTT (Push T o T alk) Switch Press this switch to transmit, and release it (to receive) after your transmission is com- pleted.  MONI Switch Pressing this switch disables the noise squelching action, allowing you to hear very weak signals near the background noise level temporarily . Press the [ F ] key on the key[...]

VX-177 O PERA TING M ANUAL 6 C ONTROLS & C ONNECTORS ( K EYP AD F UNCTIONS ) Primary Function ( P RESS K EY ) Secondary Function ( P RESS [ F ] + K EY ) Third Function ( P RESS & H OLD K EY ) Frequency entry digit “1.” Frequency entry digit “2.” Frequency entry digit “4.” Frequency entry digit “5.” Frequency entry digit “7[...]

VX-177 O PERA TING M ANUAL 7 C ONTROLS & C ONNECTORS ( K EYP A D F UNCTIONS ) Frequency entry digit “3.” Frequency entry digit “6.” Frequency entry digit “9.” Selects the desired transmit power output level. Activates the Smart Search feature. Increases the VFO frequency by one step or moves the memory channel to the next-highest ch[...]

VX-177 O PERA TING M ANUAL 8 A NTENNA I NST ALLA TION The supplied antenna provides good results over the entire frequency range of the transceiver . However , for enhanced reception on certain non-Amateur frequencies, you may wish to connect an antenna designed specifically for that frequency range, as the supplied antenna is necessarily a comprom[...]

VX-177 O PERA TING M ANUAL 9 B A TTER Y C HARGING If the battery has never been used, or its charge is depleted, it may be char ged by connect- ing the NC-88 Overnight Battery Charger , as shown in the illustration, to the EXT DC jack. If only 12 ~ 16 V olt DC power is available, the optional E-DC-5B DC Cable (with its cigarette lighter plug) or E-[...]

VX-177 O PERA TING M ANUAL 10 B EL T C LIP I NST ALLA TION  Connect the hanger to the rear of the VX-177 , with the notch pointing directly up, using the supplied screw (Figure 1). Use only the screw included with the clip to mount the clip to the back of the VX-177 .  Clip the Quick-Draw Belt Clip onto your belt (Figure 2).  T o install t[...]

VX-177 O PERA TING M ANUAL 11 The VX-177 may be used for Packet operation, using the optional CT -91 Microphone Adapter (available from your Y aesu dealer) for easy interconnection to commonly-avail- able connectors wired to your TNC. Y ou may also build your own cable, using a four- conductor miniature phone plug, per the diagram below . The audio[...]

VX-177 O PERA TING M ANUAL 12 Hi! I’m R. F . Radio, and I’ll be helping you along as you learn the many features of the VX-177. I know you’re anxious to get on the air , but I encour- age you to read the “Operation” section of this manual as thoroughly as possible, so you’ll get the most out of this fantastic new transceiver . Now. . .l[...]

VX-177 O PERA TING M ANUAL 13 O PERA TION S QUELCH A DJUSTMENT  T o set the squelch, press the [ F ] key , followed by the MONI switch just below the PTT switch on the left side of the transceiver .  Now rotate the DIAL (outer knob) to find the lowest setting (“ LVL 1 ” through “ LVL 15 ”) that will just si- lence the background noise[...]

VX-177 O PERA TING M ANUAL 14 2 ) Direct Keypad Fr equency Entry The desired operating frequency may be entered directly from the keypad. The first “1” in the frequency does not need to be entered, as it is “assumed” by the microprocessor . T o enter a frequency directly , just key in the 10 MHz, 1 MHz, and the kHz digits. Examples: T o ent[...]

VX-177 O PERA TING M ANUAL 15 O PERA TION T RANSMISSION Once you have set up an appropriate frequency inside the 430 MHz Amateur band on which the VX-177 can transmit, you’re ready to go on the air! These are the most basic steps; more advanced aspects of transmitter operation will be discussed later .  T o transmit, press the PTT switch, and [...]

VX-177 O PERA TING M ANUAL 16 Now that you’re mastered the basics of VX-177 operation, let’ s learn more about some of the really neat features. K EYBOARD L OCKING In order to prevent accidental frequency change or inadvertent transmission, various as- pects of the VX-177 ’s DIAL and keypad may be locked out. The possible lockout combi- natio[...]

VX-177 O PERA TING M ANUAL 17 A DV ANCED O PERA TION K EYP AD /LCD I LLUMINA TION Y our VX-177 includes a reddish illumination lamp which aids in nighttime operation. The reddish illumination yields clear viewing of the display in a dark environment, with mini- mal degradation of your night vision. Three options for activating the lamp are provided[...]

VX-177 O PERA TING M ANUAL 18 A DV ANCED O PERA TION RF S QUELCH A special RF Squelch feature is provided on this radio. This feature allows you to set the squelch so that only signals exceeding a certain S-meter level will open the squelch. T o set up the RF squelch circuit for operation, use the following procedure: 1. Press the [ F ] key , then [...]

VX-177 O PERA TING M ANUAL 19 R EPEA TER O PERA TION Repeater stations, usually located on mountaintops or other high locations, provide a dra- matic extension of the communication range for low-powered hand-held or mobile trans- ceivers. The VX-177 includes a number of features which make repeater operation simple and enjoyable. R EPEA TER S HIFTS[...]

VX-177 O PERA TING M ANUAL 20 M ANUAL R EPEA TE R S HIFT A CTIV A TION If the ARS feature has been disabled, or if you need to set a repeater shift direction other than that established by the ARS, you may set the direction of the repeater shift manually . T o do this: 1. Press the [ F ] key , then press the [ 4 ( RPT )] key to enable selection of [...]

VX-177 O PERA TING M ANUAL 21 R EPEA TER O PERA TION M ANUAL R EPEA TER S HIFT A CTIV A TION Checking the Repeater Uplink (Input) Fr equency It often is helpful to be able to check the uplink (input) frequency of a repeater , to see if the calling station is within direct (“Simplex”) range. T o do this, just press the [ REV ( HOME )] key . Y ou[...]

VX-177 O PERA TING M ANUAL 22 9. If you need to modify the VFO-B (transmit) frequency (for Doppler Shift correction, etc.), just press the [ VFO ( PRI )] key , then make the necessary change, then press [ VFO ( PRI )] key once more to restore VFO-A to the “receive VFO” position. 10. When you have finished with Split operation, re-enter the Set [...]

VX-177 O PERA TING M ANUAL 23 CTCSS/DCS/EPCS O PERA TION CTCSS O PERA TION Many repeater systems require that a very-low-frequency audio tone be superimposed on your FM carrier in order to activate the repeater . This helps prevent false activation of the repeater by radar or spurious signals from other transmitters. This tone system, called “CTC[...]

VX-177 O PERA TING M ANUAL 24 be using (ask the repeater owner/operator if you don’t know the tone frequency). 7. When you have made your selection, press the [ F ] key momentarily to save the new settings and exit to normal operation. This is dif ferent than the usual method of restor - ing normal operation, and it applies only to the configurat[...]

VX-177 O PERA TING M ANUAL 25 CTCSS/DCS/EPCS O PERA TION Remember that the DCS is an Encode/Decode system, so your receiver will remain muted until a matching DCS code is received on an incoming trans- mission. Switch the DCS off when you’re just tuning around the band! T ONE S EARCH S CANNING In operating situations where you don’t know the CT[...]

VX-177 O PERA TING M ANUAL 26 EPCS ( E NHANCED P AGING & C ODE S QUELCH ) The VX-177 includes an Enhanced CTCSS tone encoder/decoder and a dedicated micropro- cessor providing paging and selective calling features. This allows you to place a call to a specific station (Paging), and to receive calls of your choice directed only to you (Code Sque[...]

VX-177 O PERA TING M ANUAL 27 Activating the Enhanced Paging & Code Squelch System 1. Press the [ F ] key , then press the [ 1 ( SQ TYP )] key to enable selection of the CTCSS/ DCS/ECS mode. 2. Rotate the DIAL knob so that the “ ECS ” indication appears on the display . 3. Press the PTT switch to save the new setting and activate the Enhanc[...]

VX-177 O PERA TING M ANUAL 28 S PLIT T ONE O PERA TION The VX-177 can be operated in a Split T one configuration via the Set mode. 1. Press the [ F ] key , then press the [ 0 ( SET )] key to enter the Set mode. 2. Rotate the DIAL knob to select Set Mode Item 43: SPLIT . 3. Press the [ F ] key momentarily to enable adjustment of this Set Mode Item. [...]

VX-177 O PERA TING M ANUAL 29 M EMOR Y M ODE The VX-177 provides a wide variety of memory system resources. These include:  200 “Standard” memory channels, numbered “ 1 ” through “ 200 .”  A “Home” channel, providing storage and quick recall of one prime frequency .  10 sets of band-edge memories, also known as “Programma[...]

VX-177 O PERA TING M ANUAL 30 M EMOR Y M ODE M EMORY R ECALL 1. While operating in the VFO mode, press the [ MR ( SKIP )] key to enter the Memory mode. 2. Rotate the DIAL knob to select the desired channel. 3. T o return to the VFO mode, press the [ VFO ( PRI )] key . When the radio is already set to the Memory mode, an easy way to recall memories [...]

VX-177 O PERA TING M ANUAL 31 M EMOR Y M ODE L ABELING M EMORIES Y ou may wish to append an alpha-numeric “T ag” (label) to a memory or memories, to aid in recollection of the channel’ s use (such as a club name, etc.). This is easily accomplished using the Set Mode. 1. Recall the memory channel on which you wish to append a label. 2 . Press [...]

VX-177 O PERA TING M ANUAL 32 M EMOR Y O FFSET T UNING Once you have recalled a particular memory channel, you may easily tune off that channel, as though you were in the “VFO” mode. 1. W ith the VX-177 in the “MR” (Memory Recall) mode, select the desired memory channel. 2. Press the [ MR ( SKIP )] key momentarily to activate the “Memory [...]

VX-177 O PERA TING M ANUAL 33 M EMOR Y M ODE M EMOR Y B ANK O PERA TION The large number of memories available in the VX-177 could be difficult to utilize without some means of organizing them. Fortunately , the VX-177 includes provision for dividing the memories into as many as ten Memory Groups, so you can categorize the memories in a manner conv[...]

VX-177 O PERA TING M ANUAL 34 M OVING M EMOR Y D ATA TO THE VFO Data stored on memory channels can easily be moved to the last selected VFO, if you like. 1. Select the memory channel containing the frequency data to be moved to the VFO. 2. Press the [ MR ( SKIP )] key momentarily to activate the “Memory T une” feature tem- porarily , then press[...]

VX-177 O PERA TING M ANUAL 35 N OTE[...]

VX-177 O PERA TING M ANUAL 36 The VX-177 allows you to scan just the memory channels, the entire operating band, or a portion of that band. It will halt on signals encountered, so you can talk to the station(s) on that frequency , if you like. Scanning operation is basically the same in each of the above modes. Before you begin, take a moment to se[...]

VX-177 O PERA TING M ANUAL 37 S CANNING VFO S CANNING The VX-177 provides two VFO scanning functions: “Manual VFO Scanning” and “Pro- grammed VFO Scanning.” Manual VFO Scan 1. Select the VFO mode by pressing the [ VFO ( PRI )] key , if necessary . 2. Press and hold in either the [  ( MHz )] or [  ( MHz )] key for one second to initiat[...]

VX-177 O PERA TING M ANUAL 38 M EMOR Y S CANNING Memory scanning is similarly easy to initiate: 1. Select the Memory mode by pressing the [ MR ( SKIP )] key , if necessary . 2. Press and hold in either the [  ( MHz )] or [  ( MHz )] key for one second to initiate upward or downward scanning, respectively . 3. If and when the scanner encounter[...]

VX-177 O PERA TING M ANUAL 39 S CANNING Prefer ential Memory Scan The VX-177 also allows you to set up a “Preferential Scan List” of channels which you can “flag” within the memory system. These channels are designated by a blinking “  ” icon when you have selected them, one by one, for the Preferential Scan List. When you initiate m[...]

VX-177 O PERA TING M ANUAL 40 Memory Bank Scan When the Memory Bank feature is engaged, the scanner sweeps only memory channels in the current Memory Bank. However , if the Memory Bank Link Scan feature is enabled, you may sweep the memory channels in several Memory Banks which you have selected. T o enable the Memory Bank Link Scan feature: 1. Set[...]

VX-177 O PERA TING M ANUAL 41 S CANNING P ROGRAMMABLE ( B AND L IMIT ) M EMOR Y S CAN ( PMS ) This feature allows you to set sub-band limits for either scanning or manual VFO opera- tion. For example, you might wish to set up a limit (in North America) of 144.300 MHz to 148.000 MHz so as to prevent encroachment into the SSB/CW “ W eak Signal” p[...]

VX-177 O PERA TING M ANUAL 42 “ P RIORITY C HANNEL ” S CANNING ( D UAL W A TCH ) The VX-177 ’ s scanning features include a two-channel scanning capability which allows you to operate on a VFO or Memory channel, while periodically checking a user -defined Memory Channel for activity . If a station is received on the Memory Channel which is st[...]

VX-177 O PERA TING M ANUAL 43 VFO-VFO Dual W atch 1. Press the [ VFO ( PRI )] key to switch the VFO mode, if needed. 2. Press the [ F ] key , then press and hold in the [ VFO ( PRI )] key for one second. The VX-177 will now periodically change from VFO-A frequency to the VFO-B frequency , checking for activity on each VFO for 0.2 second interval. 3[...]

VX-177 O PERA TING M ANUAL 44 A UTOMA TIC L AMP I LLUMINA TION ON S CAN S TO P The VX-177 will automatically illuminate the LCD/Keypad Lamp whenever the scanner stops on a signal; this allows you to see the frequency of the incoming signal better at night. Note that this will, of course, increase the battery consumption, so be sure to switch it off[...]

VX-177 O PERA TING M ANUAL 45 N OTE[...]

VX-177 O PERA TING M ANUAL 46 E MERGENCY C HANNEL O PERA TION The VX-177 includes an “Emergency” feature which may be useful if you have someone monitoring on the same frequency as your transceiver ’ s “Home” channel. See page 30 for details on setting up the Home channel. The “Emergency” feature is activated by pressing and holding i[...]

VX-177 O PERA TING M ANUAL 47 E MERGENCY A UTOMA TIC ID ( EAI ) F EA TURE The Emergency Automatic ID (EAI) feature can be used for searching for persons who are incapacitated in disasters like earthquakes, especially search-and-rescue personnel who may have become injured in a debris field. In such cases, if another searcher sends out a unique comm[...]

VX-177 O PERA TING M ANUAL 48 The Emergency Automatic ID (EAI) Feature requires that you (1) store the CTCSS T one Pair into the Receiving Pager Memory (see page 26 for procedure), and (2) store the desired coordination frequency into Memory Channel “ 200 ” (see page 29 for procedure). T o enable this feature: 1. Press the [ F ] key , then pres[...]

VX-177 O PERA TING M ANUAL 49 The Smart Search feature allows you to load frequencies automatically according to where activity is encountered by your radio. When Smart Search is engaged, the transceiver will search above and below your current frequency , storing active frequencies as it goes (with- out stopping on them even momentarily); these fr[...]

VX-177 O PERA TING M ANUAL 50 The VX-177 can be used to access a “node” (repeater or base station) which is tied into the V ertex Standard WI RES™ (W i de-Coverage Internet Repeater Enhancement System) net- work, operating in the “SRG” (Sister Radio Group) mode. Details may be found at the WIRES-II W eb site: http://www .vxstd.com/en/ wir[...]

VX-177 O PERA TING M ANUAL 51 I NTERNET C ONNECTION FEA TURE cess code (“#123”). I. Press and hold in the [ F ] key for one second to save the setting. 2. Press the PTT switch to exit to normal operation. 3. Press the [ F ] key , then press the [ 0 ( SET )] key to enter the Set mode again. 4. Rotate the DIAL knob to select Set Mode Item 22: I N[...]

VX-177 O PERA TING M ANUAL 52 The A R TS™ feature uses DCS signaling to inform both parties when you and another AR TS™-equipped station are within communications range. This may be particularly use- ful during Search-and Rescue situations, where is important to stay in contact with other members of your group. Both stations must set up their D[...]

VX-177 O PERA TING M ANUAL 53 4. Press the [ F ] key momentarily to exit AR TS™ operation and resume normal function- ing of the transceiver . ARTS™ constitutes a form of “remote control” operation that may be re- stricted to certain frequencies. U.S. users should confirm the current st atus of §97.201(b) of the FCC’ s rules governing th[...]

VX-177 O PERA TING M ANUAL 54 CW Identifier Setup The AR TS™ feature includes a CW identifier , as discussed previously . Every ten minutes during AR TS™ operation, the radio can be instructed to send “DE (your callsign) K” if this feature is enabled. The callsign field may contain up to 6 characters. Here’ s how to program the CW Identif[...]

VX-177 O PERA TING M ANUAL 55 DTMF O PERA TION The VX-177 ’ s 16-button keypad allows easy DTMF dialing for Autopatch, repeater con- trol, or Internet-link access purposes. Besides numerical digits [ 0 ] through [ 9 ] , the keypad includes the [  ] and [ # ] digits, plus the [ A ] , [ B ] , [ C ] , and [ D ] tones often used for repeater contr[...]

VX-177 O PERA TING M ANUAL 56 13 . When all required DTMF memories are filled to your satisfaction, press the PTT switch to save the settings and exit to normal operation T o send the telephone number: 1. Press the [ F ] key , then press the [ 9 ( DTMF )] key to activate the DTMF Autodialer . The “ MEM ” indication display will appear in the di[...]

VX-177 O PERA TING M ANUAL 57 The VX-177 allows you to utilize a DTMF (Dual-T one, Multi-Frequency) tone encoder/ decoder , with a dedicated microprocessor providing paging and selective calling features now that you've installed the optional FTD-7 DTMF Paging Unit. This capability allows you to make a call to a specific station (Paging), and [...]

VX-177 O PERA TING M ANUAL 58 Activating the DTMF Pager 1. Press the [ F ] key , then press the [ 0 ( SET )] key , to enter the Set mode. 2. Rotate the DIAL knob to select Set Mode Item 55: PAGER . 3. Press the [ F ] key momentarily to enable adjustment of this Set Mode Item. 4. Rotate the DIAL knob to select “ ON .” 5. Press the PTT switch to [...]

VX-177 O PERA TING M ANUAL 59 DTMF P AGER O PERA TION ( R EQUIRES O PTIONAL FTD-7 ) When you activate the ANI (Automatic Number Identification) feature during DTMF Pager operation, the DTMF tones stored in ANI memory will automatically be sent whenever you press the PTT switch. When the ANI is received, the LCD will displays the received ANI code a[...]

VX-177 O PERA TING M ANUAL 60 P ASSWORD The VX-177 provides a security password feature which can minimize the chance that your transceiver could be used by an unauthorized party . When the password feature is activated, the radio will ask for the four digit password to be entered when the radio is first turned on. Y ou must enter the four digit pa[...]

VX-177 O PERA TING M ANUAL 61 If you forget the password number , you may turn on the transceiver by per- forming the “All Reset” procedure (see page 67). However , the VX-177 will clear the password, as well as all memories, and will restore all other settings to factory defaults. P ROGRAMMING THE K EY A SSIGNMENTS Default VX-177 Set Mode Item[...]

VX-177 O PERA TING M ANUAL 62 M ISCELLANEOUS S ETTINGS R ECEIVE B A TTER Y S A VER S ETUP An important feature of the VX-177 is its Receive Battery Saver , which “puts the radio to sleep” for a time interval, periodically “waking it up” to check for activity . If somebody is talking on the channel, the VX-177 will remain in the “active”[...]

VX-177 O PERA TING M ANUAL 63 D ISABLING THE TX/BUSY I NDICA TOR Further battery conservation may be accomplished by disabling the TX indicator while transmitting and disabling the BUSY indicator while receiving a signal. Use the following procedure: 1. Press the [ F ] key , then press the [ 0 ( SET )] key to enter the Set mode. 2. Rotate the DIAL [...]

VX-177 O PERA TING M ANUAL 64 T RANSMITTER T IME -O UT T IMER ( TOT ) The T OT feature provides a safety switch which limits transmission time to a pre-pro- grammed value. This will promote battery conservation by not allowing you to make ex- cessively-long transmissions, and in the event of a stuck PTT switch (perhaps if the radio or a Speaker/Mic[...]

VX-177 O PERA TING M ANUAL 65 DCS C ODE I NVERSION The DCS system was first introduced in the commercial LMR (Land Mobile Radio) ser- vice, where it is now in widespread use. DCS is sometime referred to by its different pro- prietary names, such as DPL ® (Digital Private Line ® , a registered trademark of Motorola, Inc.). DCS uses a codeword cons[...]

VX-177 O PERA TING M ANUAL 66 C HANGING THE TX D EVIA TION L EVEL In many areas of the world, channel congestion has required that operating channels be closely spaced. In such operating environments, it often is required that operators use reduced deviation levels, so as to reduce the potential for interference to users on adjacent channels. The V[...]

VX-177 O PERA TING M ANUAL 67 In the event of erratic operation of the transceiver , it is possible that data on the micropro- cessor may have become corrupted. While this is a highly unusual situation, the only path to recovery may involve resetting of the microprocessor . Here’ s how to do this: 1. T urn the radio off. 2. Press and hold in the [...]

VX-177 O PERA TING M ANUAL 68 The VX-177 includes a convenient “Clone” feature, which allows the memory and con- figuration data from one transceiver to be transferred to another VX-177 . This can be particularly useful when configuring a number of transceivers for a public service opera- tion. Here is the procedure for Cloning one radio’ s d[...]

VX-177 O PERA TING M ANUAL 69 N OTE[...]

VX-177 O PERA TING M ANUAL 70 The VX-177 Set Mode, already described in parts of many previous chapters, is easy to activate and set. It may be used for configuration of a wide variety of transceiver param- eters, some of which have not been detailed previously . Use the following procedure to activate the Set Mode: 1. Press the [ F ] key , then pr[...]

VX-177 O PERA TING M ANUAL 71 S ET ( M ENU ) M ODE F UNCTION Selects the alarm(s) utilized when the Emergency function is engaged. Selects the Internet Link Connection mode. Selects the Access Number (DTMF digit) for WIRES™ operation. Selects the memory register for an Access Number (DTMF code) for non-WIRES™ Selects the LCD/Keypad Lamp mode. S[...]

VX-177 O PERA TING M ANUAL 72 S ET ( M ENU ) M ODE R EPEA TER S ETTING Enables/Disables the Automatic Repeater Shift function. Sets the Repeater Shift Direction. Sets the magnitude of the repeater Shift. CTCSS/DSC/DTMF/EPCS S ETTING Selects the number of CTCSS/DCS Bell ringer repetitions. Setting of the DCS code. Enables/Disables “Inverted” DCS[...]

VX-177 O PERA TING M ANUAL 73 S ET ( M ENU ) M ODE S WITCH /K NOB S ETTING Enables/Disables the beeper . Selects the LCD/Keypad Lamp mode. Selects the Control Locking lockout combination. Selects the MONI switch function. Selects the function of the [ HM/R V ] key . M ISCELLANEOUS S ETTING Setting of the Automatic Power-Off feature. Enables/Disable[...]

VX-177 O PERA TING M ANUAL 74 Set Mode Item 1 [ APO ] Function : Setting of the Automatic Power- Off feature. A vailable V alues : OFF/0.5H - 12.0 H in 0.5 hour multiples Default : OFF Set Mode Item 2 [ AR BEP ] Function : Selects the Beep option during A R TS operation. A vailable V alues : INRANG/AL W A YS/OFF Default : INRANG INRANG: Beeps sound[...]

VX-177 O PERA TING M ANUAL 75 Set Mode Item 8 [ BSY .LED ] Function : Enables/Disables the BUSY LED while the Squelch is open. A vailable V alues : LED. ON/LED.OFF Default : LED. ON Set Mode Item 9 [ CLK.SFT ] Function : Shifting of the CPU clock frequency . A vailable V alues : SFT .OFF/SFT . ON Default : SFT .OFF This function is only used to mov[...]

VX-177 O PERA TING M ANUAL 76 Set Mode Item 17 [ DT WRT ] Function : Programming of the DTMF Autodialer . See page 55 for details. Set Mode Item 18 [ ECS.CDR ] Function : Setting the Receiver Pager Code for the Enhanced CTCSS Paging & Code Squelch. See page 26 for details. Set Mode Item 19 [ ECS.CDT ] Function : Setting the T ransmitting Pager [...]

VX-177 O PERA TING M ANUAL 77 Set Mode Item 22 [ I NET ] Function : Selects the Internet Link Connection mode. A vailable V alues : INT .OFF/INT .COD/INT .MEM Default : INT .OFF INT .OFF: Disables the Internet Link Connection mode. INT .COD: Sets up the Internet Link Connection mode for WIRES™ access. INT .MEM: Sets up the Internet Link Connectio[...]

VX-177 O PERA TING M ANUAL 78 Set Mode Item 27 [ M/T -CL ] Function : Selects the MONI key (just below the PTT switch) function. A vailable V alues : MONI/T -CALL Default : Depends on the transceiver version. MONI: Pressing the MONI key causes the Noise/T one Squelch to be over-ridden, allow- ing you to listen for weak (or non-encoded) signals. T -[...]

VX-177 O PERA TING M ANUAL 79 Set Mode Item 33 [ REV/HM ] Function : Selects the function of the [ REV ( HOME )] key . A vailable V alues : < REV > / < HOME > Default : < REV > < REV > : Pressing the [ REV ( HOME )] key reverses the transmit and receive frequencies during repeater operation. < HOME > : Pressing the [ R[...]

VX-177 O PERA TING M ANUAL 80 Set Mode Item 39 [ SCN MD ] Function : Selects the Memory Scan channel-selection mode. A vailable V alues : ONL Y/MEM Default : MEM ONL Y : The scanner will only scan channels that are flagged (Preferential Scan List). MEM: The scanner will “skip” the flagged channels during scanning. Set Mode Item 40 [ SCN.LMP ] F[...]

VX-177 O PERA TING M ANUAL 81 Set Mode Item 44 [ SQL.TYP ] Function : Selects the T one Encoder and/or Decoder mode. A vailable V alues : OFF/TONE/TSQL/REV TN/DCS/ECS Default : OFF T ONE: CTCSS Encoder TSQL: CTCSS Encoder/Decoder REV TN: Reverse CTCSS Decoder (Mutes receiver when matching tone is received) DCS: Digital Coded Encoder/Decoder ECS: En[...]

VX-177 O PERA TING M ANUAL 82 Set Mode Item 51 [ WID.NAR ] Function : Select W ide (±5 kHz) or Narrow (±2.5 kHz) TX Deviation. A vailable V alues : WIDE/NARROW Default : WIDE Note: If “Narrow” is selected, the receiver audio level is increased slightly to compensate for the reduced deviation. The receiver IF filter bandwidth is not changed vi[...]

VX-177 O PERA TING M ANUAL 83 General Frequency Ranges : RX 430 - 440 MHz or 420 - 470 MHz TX 430 - 440 MHz or 430 - 450 MHz Channel S teps : 5/10/12.5/15/20/25/50/100 kHz Frequency S tability : ±5 ppm @ 14 °F to +140 °F (–10 °C to +60 °C) Repeater Shift : ±5 MHz, ±7.2 MHz, or ±1.6 MHz Emission T ype : F2D, F3E Antenna Impedance : 50 Ω [...]

VX-177 O PERA TING M ANUAL 84 I NST ALLA TION OF THE FTD-7 DTMF P AGING U NIT ( O PTION ) Peel off the Caution Se al Press the Opti onal U nit Affix the supplied Caution Seal Connec tor 1. Make sure that the transceiver is off. Remove the hard or soft case, if used. 2. Remove the battery pack. 3. Locate the connector for the FTD-7 under the caution[...]

1. Changes or modifications to this device not expressly approved by VERTEX STANDARD could void the user’s authorization to operate this device. 2. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interf[...]

Printed in Japan Copyright 2005 VERTEX STANDARD CO., LTD. All rights reserved. No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO., LTD. 0511X-0K EH022U100[...]