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VX-127 O

PERATING

ANUAL

PTT

(Push To Talk) 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 [

] key on the keypad first, then press this switch to enable to adjustment of

the squelch threshold level.

EXT DC

Jack

This coaxial DC jack allows connection to an external DC power source (6-16V DC).
The center pin of this jack is the Positive (+) connection.

Do not allow the VX-127 to become submerged in water while the rubber
cap over the EXT DC jack is removed.

ONTROLS

& C

ONNECTORS

(

IDE

ANEL

)

Summary of Contents for VX-127

Page 1: ...ANDARD 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...

Page 2: ...Accessories Options 2 Controls Connections 3 Top Front Panel 3 LCD 4 Side Panel 5 Keypad Functions 6 Installation of Accessories 8 Antenna Installation 8 Installation of FNB 83 Battery Pack 8 Battery...

Page 3: ...nter your Password Additional features include a convenient access key for Vertex Standard s WIRES Wide coverage Internet Repeater Enhancement System a transmit Time Out Timer TOT Automatic Power Off...

Page 4: ...e VC 27 Earpiece Microphone VC 24 VOX Headset FTD 7 DTMF Paging Unit B suffix is for use with 100 120 VAC C suffix is for use with 230 240 VAC and U suffix is for use with 230 VAC Availability of acce...

Page 5: ...he click stop will turn the radio off DIAL Knob This inner 20 position detented rotary switch is used for setting the operating fre quency and also is used for menu selections and other adjustments Sp...

Page 6: ...r Preferential Memory Channel Repeater Shift Direction CTCSS DSC Operation Internet Connection Feature Active Key Lock Active Bell Alarm Active Battery Saver Active Dual Watch Active Priority Channel...

Page 7: ...gnals near the background noise level temporarily Press the F key on the keypad first then press this switch to enable to adjustment of the squelch threshold level EXT DC Jack This coaxial DC jack all...

Page 8: ...mory Scan Skip channel selection mode Engages the Set Menu Mode Selects the desired transmit power output level Activates the Key Lockout feature Activates the Alternate key function Disables the Alte...

Page 9: ...erses the transmit and receive frequencies while working through a repeater Switches to the Home favorite frequency Channel None Sets frequency control to the VFO mode Toggles the VFO between VFO A an...

Page 10: ...f using an external antenna for transmission ensure that the SWR presented to the transceiver is 1 5 1 or lower to avoid excessive feedline loss INSTALLATION OF FNB 83 BATTERY PACK The FNB 83 is a hig...

Page 11: ...operation reception or trans mission Do not leave the NC 88 connected to the transceiver for continuous periods in excess of 24 hours Long term overcharging can degrade the Ni MH battery pack and sig...

Page 12: ...LATION OF ACCESSORIES INSTALLATION OF FBA 25A ALKALINE BATTERY CASE OPTION The optional FBA 25A Battery Case allows operation of the VX 127 using six AA size Alkaline batteries When installing batteri...

Page 13: ...L knob as with voice operation The input level to the VX 127 from the TNC should be adjusted at the TNC side the optimum input voltage is approximately 5 mV at 2000 Ohms Be sure to turn the transceive...

Page 14: ...nect the antenna to the top panel ANTENNA jack Rotate the top panel s VOL PWR knob inner knob out of the click stop to turn on the radio The current DC supply voltage will be indicated on the display...

Page 15: ...ilt in CTCSS Decoder This feature will keep your ra dio quiet until a call is received from a station sending a carrier which contains a matching subaudible CTCSS tone Or if your friends have radios e...

Page 16: ...ncy instead of a higher frequency just rotate the DIAL one click in the counter clockwise direction while the VX 127 is scanning The scanning direction will be re versed To revert to scanning toward a...

Page 17: ...ettings 1 If you re just talking to friends in the immediate area you ll get much longer battery life by switching to Low Power operation described in the next chapter And don t forget always have an...

Page 18: ...PTT switch and keypad are locked out LK P D Both the PTT switch and DIAL are locked out LK ALL All of the above are locked out To lock out some or all of the keys 1 Press the SET EMG key momentarily...

Page 19: ...DIAL knob to select Set Mode Item 25 LAMP 3 Press the F key momentarily to enable adjustment of this Item 4 Rotate the DIAL knob to select one of the three modes described above 5 When you have made...

Page 20: ...ily to enable adjustment of this Item 4 Rotate the DIAL knob to select the desired signal strength level for the squelch threshold S 1 S 2 S 3 S 4 S 5 S 6 S 8 S FULL or OFF 5 Press the PTT switch to s...

Page 21: ...ifts have been enabled AUTOMATIC REPEATER SHIFT ARS The VX 127 provides a convenient Automatic Repeater Shift feature which causes the appropriate repeater shift to be applied automatically whenever y...

Page 22: ...n Turn ARS off if you do not wish this to happen If you make a change in the repeater shift on a memory channel that you already stored the radio will consider this a temporary change unless you store...

Page 23: ...ing with astronauts on orbiting space vehicles it may be necessary to use non standard splits between the receive and transmit frequency If the application is infrequent enough not to warrant the dedi...

Page 24: ...nce more to restore VFO A to the receive VFO position 10 When you have finished with Split operation re enter the Set mode and change Set Mode Item 50 VFO SPL to VSP OFF Asplit frequency pair set up v...

Page 25: ...QueLch system is active which mutes your VX 127 s receiver until it receives a call from an other radio sending out a matching CTCSS tone This can help keep your radio quiet until a specific call is r...

Page 26: ...ration if your friend s use transceivers equipped with this advanced feature Just as in CTCSS operation DCS requires that you set the Tone Mode to DCS and that you select a tone code 1 Press the SET E...

Page 27: ...y 2 Press the SET EMG key momentarily to enter the Set mode 3 Rotate the DIAL knob to select Set Mode Item 44 SQL TYP when TONE SQL is selected or select Set Mode Item 13 DCS COD when DCS is selected...

Page 28: ...radio the squelch will close automatically after the incoming page ends Storing the CTCSS Tone Pairs for EPCS Operation 1 Press the SET EMG key momentarily to enter the Set mode 2 Rotate the DIAL kno...

Page 29: ...r EPCS operation you may set up the VX 170 such that a ringing bell sound alerts you to the fact that a call is coming in Here is the procedure for activating the CTCSS DCS EPCS Bell 1 Set the transce...

Page 30: ...the icon will blink during operation Select the desired operating mode from the selections shown above TONE CALLING 1750 HZ If the repeaters in your country require a 1750 Hz burst tone for access ty...

Page 31: ...4 If you wish to select a different channel number into which to store the data rotate the DIAL knob to select the desired memory channel You may jump 10 memory channels if you re in a hurry 11 21 31...

Page 32: ...33 REV HM from REV to HOME if it is not already set to this option see page 79 2 Select the desired frequency while operating in the VFO mode Be sure to set up any desired CTCSS or DCS tones as well a...

Page 33: ...rammed a label which is under 6 characters press and hold in the F key for one second to confirm the label if the label is exactly 6 characters in length you do not need to press and hold in F key 11...

Page 34: ...gi nally appeared on the LCD 5 If you wish to store a new frequency set during Memory Tuning just press and hold in the F key for one second per normal memory storage procedure The microproces sor wil...

Page 35: ...y if needed to enter the Memory Re call mode 2 Press and hold in the VFO PRI key then rotate the DIAL knob to select the desired Memory Bank BANK 1 through BANK10 3 Press the MR SKIP key momentarily n...

Page 36: ...s transferred the TX frequency will be ignored you will be set up for Simplex operation on the Receive frequency MEMORY ONLY MODE Once memory channel programming has been completed you may place the r...

Page 37: ...VX 127 OPERATING MANUAL 35 NOTE...

Page 38: ...mode the scanner will halt on a signal it encounters and will hold there for five seconds If you do not take action to disable the scanner within that time period the scanner will resume even if the...

Page 39: ...Programmed VFO scanner Available selections are 1 MHz 2 MHz 5 MHz PMS x and ALL PMS x The scanner will sweep frequencies within the currently selected PMS frequency pair See page 41 for details ALL Th...

Page 40: ...Scan Resume mode as the incoming signal will not pause long enough for the transceiver to resume scanning Such channels may be Skipped during scanning if you like 1 Recall the Memory Channel to be sk...

Page 41: ...enter the Skip channel selec tion mode 3 Rotate the DIAL knob so as to select ONLY 4 When you have made your selection press the PTT switch to save the setting and exit to normal operation 5 To remove...

Page 42: ...DIAL knob to select the first Memory Bank BANK 1 BANK10 you wish to sweep using Memory Bank Link Scan 3 Press the F key momentarily The current Memory Bank will now be swept during Memory Bank Scan A...

Page 43: ...concept 144 300 MHz into Memory Channel L1 the L designates the Lower sub band limit 3 Likewise store 148 000 MHz into Memory Channel U1 the U designates the Upper sub band limit 4 Confirm the radio...

Page 44: ...ain to disable the VFO Priority mode Memory Channel Priority 1 Store the frequency you wish to be the Priority Channel into memory channel 1 2 Now set the radio for operation on another memory channel...

Page 45: ...rity channel instantly without waiting for activity to appear on the Priority channel When this feature is enabled and Priority monitoring is engaged just press the PTT switch operation will instantly...

Page 46: ...nob to set this Set Mode Item to OFF 5 When you have made your selection press the PTT switch to save the setting and exit to normal operation BAND EDGE BEEPER The VX 127 will automatically beep when...

Page 47: ...VX 127 OPERATING MANUAL 45 NOTE...

Page 48: ...transmit on the Home channel and E two sec onds after the PTT switch release the Emergency feature will resume To disable the Emergency feature press the F key momentarily or turn the radio off by ro...

Page 49: ...y which is stored in Memory Channel 200 for more than five seconds the radio will automatically transmit a brief 0 5 second beep tone every 2 5 seconds until the EAI timer expiration at the power leve...

Page 50: ...Mode Item 4 Rotate the DIAL knob to select the desired EAI mode INTterval EAI or CONtinuous EAI and its transmit time 1 10 15 20 30 40 and 50 minutes or OFF 5 Press the PTT switch to save the new sett...

Page 51: ...f all 31 channels are not filled after the first sweep however the radio will continue sweeping until they are all filled Starting the Smart Search Mode 1 Press the SET EMG key momentarily to enter th...

Page 52: ...6 Rotate the DIAL knob to select Set Mode Item 22 I NET 7 Press the F key to enable adjustment of this Set Mode Item 8 Rotate the DIAL knob to set this Set Mode Item to INT COD thus activating the WI...

Page 53: ...the SET EMG key momentarily to enter the Set mode again 4 Rotate the DIAL knob to select Set Mode Item 24 INT MR 5 Press the F key to enable adjustment of this Set Mode Item 6 Rotate the DIAL knob to...

Page 54: ...reviously in non ARTS operation If you move out of range for more than one minute four pollings your radio will sense that no signal has been received three beeps will sound and the display will rever...

Page 55: ...F key momentarily to exit ARTS 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...

Page 56: ...y times as necessary to com plete your callsign If you make a mistake press the MHz key to move back to the previous letter number s slot then re select the correct letter number 7 When you have finis...

Page 57: ...you have completed the telephone number 9 If you make a mistake press the MHz key to move back to the previous digit then re select the correct number 10 Press and hold in the F key for one second to...

Page 58: ...VX 127 OPERATING MANUAL 56 NOTE...

Page 59: ...ll close automatically five seconds after the incoming page ends you may now resume DTMF Pager operation Storing the 3 digit code for the DTMF Pager Operation 1 Press the SET EMG key momentarily to en...

Page 60: ...to send the 3 digit DTMF pager code which is stored in the last selected DTMF Pager Memory register 7 When you receive a DTMF paging call it will open your radio s DTMF squelch and the LCD will displa...

Page 61: ...er number 7 When you have finished entering the ANI code and it contains less than 16 characters press and hold in the F key for one second to confirm the callsign if the ANI code has exactly 16 chara...

Page 62: ...F key again to clear any previous password 5 Rotate the DIAL knob to select the first digit of the desired letter which corresponding with the front panel keypad S substitute for SET EMG key L substit...

Page 63: ...ill restore all other settings to factory defaults CHANGING THE CHANNEL STEPS The VX 127 s synthesizer provides the option of utilizing channel steps of 5 10 12 5 15 20 25 50 100 kHz per step as well...

Page 64: ...ormal operation When you are operating on Packet switch the Receive Battery Saver OFF as the sleep cycle may collide with the beginning of an incoming Packet trans mission causing your TNC not to rece...

Page 65: ...APO feature helps conserve battery life by automatically turning the radio off after a user defined period of time within which there has been no dial or key activity The avail able selections for the...

Page 66: ...me is within 10 seconds of the Time Out Timer expiration an Alert bell will provide an audible warning from the speaker 2 Since brief transmissions are the mark of a good operator try setting up your...

Page 67: ...r configurations the output signal phase is inverted from the input Small signal or power amplifiers having an odd number 1 3 5 etc of amplification stages may result in inversion of a transmitted or...

Page 68: ...y to enter the Set mode 2 Rotate the DIAL knob to select Set Mode Item 51 WID NAR 3 Press the F key momentarily to enable adjustment of this Set Mode Item 4 Rotate the DIAL knob to set this Set Mode I...

Page 69: ...the radio on 3 Rotate the DIAL knob to select one of the choices from the reset menu F1 SETRST Resets the Set Menu mode settings to their factory defaults F2 MEMRST Clears the Memory settings to facto...

Page 70: ...on does not matter 4 Rotate the DIAL knob on each radio to select to F6 CLONE then press the F key momentarily 5 The display will disappear for a moment then the CLONE notation will appear on the disp...

Page 71: ...VX 127 OPERATING MANUAL 69 NOTE...

Page 72: ...DG BEP FUNCTION Setting of the Automatic Power Off feature Selects the Beep option during ARTS operation Selects the Polling Interval during ARTS operation Enables Disables the Automatic Repeater Shif...

Page 73: ...plit operation Select Wide 5 kHz or Narrow 2 5 kHz TX Deviation Enables Disables the Emergency Automatic ID EAI Feature AVAILABLE VALUES DEFAULT BOLD ITALIC EMG BEP EMG LMP EMG B L EMG CWT EMG C B EMG...

Page 74: ...e Enables Disables the Scan lamp while paused Selects the Memory Scan Skip channel selection mode POWER SAVER SETTING Selects the Receive mode Battery Saver interval sleep ratio Enables Disables the T...

Page 75: ...TX Deviation Enables Disables the Emergency Automatic ID EAI Fea ture PAGER SETTING REQUIRES OPTIONAL FTD 7 Enables Disables the ANI function Program the ANI Identifier Enables Disables the ANI functi...

Page 76: ...he Polling Interval during ARTS operation Available Values 25 SEC 15 SEC Default 25SEC Set Mode Item 4 ARS Function Enables Disables the Automatic Repeater Shift function Available Values ARS ON ARS O...

Page 77: ...n Setting of the DCS code Available Values 104 standard DCS codes Default DCS 023 Set Mode Item 14 DCS N R Function Enables Disables Inverted DCS code decoding Available Values T RX N RX R TX R T RX R...

Page 78: ...P Loud Alarm sounds EMG LMP The LCD Keypad lamp flashes EMG B L Loud Alarm sounds and the LCD Keypad lamp flashes EMG CWT Transmits the Morse Code SOS message on the air begin ning one minute after ac...

Page 79: ...e Item 24 INT MR Function Selects the memory register for an Access Number DTMF code for non WIRES Internet Link System access Available Values d1 d9 Default d1 Set Mode Item 25 LAMP Function Selects...

Page 80: ...ilable Values FREQ ALPHA Default FREQ Set Mode Item 29 NM WRT Function Stores Alpha Numeric Tags for the Memory channels See page 31 for details Set Mode Item 30 PSWD Function Enables disables the Pas...

Page 81: ...iority Revert feature Available Values RVT OFF RVT ON Default RVT OFF See page 43 for details Set Mode Item 37 RXSAVE Function Selects the Receive mode Battery Saver interval sleep ratio Available Val...

Page 82: ...42 SKIP Function Selects the Memory Scan Skip channel selection mode Available Values OFF SKIP ONLY Default OFF SKIP The scanner will skip the flagged channels during scanning ONLY The scanner will o...

Page 83: ...TCSS tones Default 100 0 Hz Set Mode Item 47 TOT Function Setting of the TOT time Available Values 1MIN 30MIN or OFF Default 6MIN minutes The time out timer shuts off the transmitter after continuous...

Page 84: ...ON 20M CON 30M CON 40M CON 50M and OFF Default OFF The following Set Mode Items will appears when the optional FTD 7 DTMF Paging Unit is installed Set Mode Item 53 ANI Function Enables Disables the AN...

Page 85: ...0 x 120 x 32 mm w o knob antenna belt clip Weight 13 8 Oz 390 g with FNB 83 antenna and belt clip Transmitter RF Power Output 5 0 W High 2 0 W Middle 0 5 W Low 7 2 V Modulation Type Variable Reactance...

Page 86: ...the FTD 7 under the caution seal in the battery compartment on the back of the radio just peel off the caution seal 4 Align the connector on the FTD 7 with the transceiver s connector and gently pres...

Page 87: ...interference that may cause undesired operation 3 The scanning receiver in this equipment is incapable of tuning or readily being altered by the User to operate within the frequency bands allocated to...

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