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Yaesu FT-7900R Operating Manual Download Page 81

FT-7900R Q

UICK

 R

EFERENCE

 G

UIDE

SQL K

NOB

Adjusts to the
point where the
b a c k g r o u n d
noise is muted.

T

RANSMISSION

 S

WITCH

Speak into the microphone
in a normal voice level
while pressing this switch.

VOL K

NOB

Adjusts the audio
volume level.

P

OWER

 S

WITCH

Press and hold for
1/2 second.

LOCK S

WITCH

Press and hold for
1/2 second to lock all
key functions except
the 

VOL

, 

SQL

 knobs

and 

PTT

 switch.

F

REQUENCY

 DIAL K

NOB

Selects the operating Frequency.

BAND S

WITCH

Selects the operating Band.

M

ICROPHONE

i

Summary of Contents for FT-7900R

Page 1: ...10900 Walker Street Cypress CA 90630 U S A YAESU UK LTD Unit 12 Sun Valley Business Park Winnall Close Winchester Hampshire SO23 0LB U K VERTEX STANDARD HK LTD Unit 5 20 F Seaview Centre 139 141 Hoi B...

Page 2: ...ion 29 Tone Search Scanning 30 Split Tone Operation 31 Memory Operation 32 Regular Memory Channel Operation 33 Memory Storage 33 To Append an Alpha numeric Tag to a Memory 33 Storing Independent Trans...

Page 3: ...on for remote head mounting utilizing the optional YSK 7800 Separation Kit which allows installation even in the most compact of cars Additional features include a convenient access key for Vertex Sta...

Page 4: ...um Deviation 5 kHz 2 5 kHz Spurious Radiation At least 60 dB below Microphone Impedance 2 k DATA Jack Impedance 10 k Receiver Circuit Type Double conversion superheterodyne Intermediate Frequencies 45...

Page 5: ...y vary Some accessories are supplied as standard per local requirements while others may be unavailable in some regions Consult your Yaesu dealer for details regarding these and any newly available op...

Page 6: ...ocal dealer if the unit was purchased over the counter so as to get instructions regarding the prompt resolution of the damage situation Be certain to save the shipping carton especially if there are...

Page 7: ...tand in front of a directional antenna while you are transmitting into that antenna Do not install a directional antenna in any location where humans or pets may be walking in the main directional lob...

Page 8: ...er of one of the vertical sides of the driven element or at a side corner in the case of a diamond shaped Cubical Quad Note that this transceiver is designed with wide frequency coverage in the VHF UH...

Page 9: ...ta logs for complete specifications In outdoor installations be certain to weatherproof all connectors thoroughly as water en tering a coaxial cable will cause losses to escalate rapidly thus diminish...

Page 10: ...ble using the supplied MMB 36 mounting bracket The transceiver may be installed in almost any location but should not be positioned near a heating vent nor anywhere where it might interfere with drivi...

Page 11: ...e s voltage regulator before proceeding with installation Connect the RED power cable lead to the POSITIVE battery terminal and the BLACK power cable lead to the NEGATIVE terminal If you need to exten...

Page 12: ...to your TNC This connector is a standard mini DIN connector A pre wired connector and cable assembly option model CT 39A is available from your local Yaesu dealer The FT 7900R s DATA jack connections...

Page 13: ...ent to the optimum 2 5 3 5 kHz deviation can usually be done by ear by adjusting the TNC s 1200 bps TX Audio Level potentiometer so that the outgoing packets as monitored on a separate VHF or UHF rece...

Page 14: ...radio into a special Hyper memory bank Press the appropriate button momentarily to recall the desired Hyper memory MHz PRI Key Press this key momentarily to allow tuning in 1 MHz steps on the VFO fre...

Page 15: ...key momentarily to switch the frequency control among the VFO Memory System and Home channel Press and hold in this key for 1 2 second to transfer the VFO contents into a Memory register SCAN SEL Key...

Page 16: ...N KNOB Memory Channel Number Skip Memory Channel Preferential Memory Channel Digital Code Squelch DCS Operation CTCSS Operation Repeater Shift Direction Transmission in Progress Automatic Power Off Ac...

Page 17: ...l Node Controller TNC for 1200 bps or 9600 bps operation The pin connections are shown on page 10 EXT SP Jack This 2 conductor 3 5 mm mini phone jack provides audio output for an optional speaker The...

Page 18: ...is key momentarily to disable the noise squelch action allowing you to hear very weak signals near the background noise level D Key Press this key momentarily to allow tuning in 1 MHz steps on the VFO...

Page 19: ...quencies during split frequency i e Repeater operation P4 button This button replicates the functions of the front panel LOW ACC key Press this button momentarily to select the transmitter power outp...

Page 20: ...button momentarily to switch the frequency control among the VFO Memory System and Home channel Press and hold in this button for 1 2 second to transfer the VFO contents into a Memory register P1 but...

Page 21: ...of these buttons to tune or scan up or down the operating frequency or through the memory channels In many ways these buttons emulate the function of the rotary DIAL knob Notice If you change the mic...

Page 22: ...THE AUDIO VOLUME LEVEL AND SQUELCH SETTING At first set the SQL knob fully counter clockwise Now you may rotate the VOL knob clockwise to adjust the receiver volume for a comfortable listening level...

Page 23: ...r the VFO scanner Now press the SCAN SEL key momentarily to initiate scanning toward a higher frequency The FT 7900R will stop when it receives a signal strong enough to break through the squelch thre...

Page 24: ...re vent over heating of the radio If you leave transmit in this condition even in the LOW mode for an extended period of time the radio will be forced to return to the receive mode Changing the Transm...

Page 25: ...dible feedback whenever a key button is pressed If you want to turn the beep off 1 Press and hold in the BAND SET key for 1 2 second to enter the Set mode 2 Rotate the DIAL knob to select Menu 5 BEEP...

Page 26: ...cond to exit to normal operation RF SQUELCH 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 wil...

Page 27: ...5 kHz steps are not available for use on above 700 MHz RECEIVING MODE SELECTION The FT 7900R provides for automatic mode change when the radio is tuned to different operating frequencies However shoul...

Page 28: ...These sub bands are shown below If the ARS feature does not appear to be working you may have accidentally disabled it To re enable ARS 1 Press and hold in the BAND SET key for 1 2 second to enter the...

Page 29: ...nd to exit to normal operation Changing the Default Repeater Shifts If you travel to a different region you may need to change the default repeater shift so as to ensure compatibility with local opera...

Page 30: ...ONE REV key in this step We ll discuss the Digital Code Squelch system shortly 2 You may notice the REV TN indication on the display this means that the Re verse Tone Squelch system is active which mu...

Page 31: ...DCS and that you select a Tone Code 1 Press the TONE REV key until DCS appears on the display this activates the DCS Encoder Decoder 2 Now press and hold in the BAND SET key for 1 2 second to enter th...

Page 32: ...and hold in the BAND SET key for 1 2 second to enter the Set mode 3 Rotate the DIAL knob to select Menu 44 TN FRQ TN FRQ TN FRQ TN FRQ TN FRQ when CTCSS is selected or Menu 9 DCS COD DCS COD DCS COD...

Page 33: ...press and hold in the BAND SET key for 1 2 second to exit to normal operation When the Split Tone feature is activated you can see the following additional parameters after the DCS DCS DCS DCS DCS par...

Page 34: ...h L50 L50 L50 L50 L50 U50 U50 U50 U50 U50 20 Memory Banks labeled BANK1 BANK1 BANK1 BANK1 BANK1 through BANK20 BANK20 BANK20 BANK20 BANK20 Each Memory Bank can be assigned from the Standard Memory Cha...

Page 35: ...erwise press the V M MW key momentarily to save the entry and exit to normal operation To Append an Alpha numeric Tag to a Memory 1 After pressing and holding in the V M MW key in step 4 above rotate...

Page 36: ...transmit frequency indi vidually the Odd Splits feature can be memorize the frequency code individually for trans mit and receive Whenever you recall a memory which contains indepen dently stored CTCS...

Page 37: ...s key in the memory channel number For example to recall memory channel 4 press 0 0 4 Memory Offset Tuning Once you have recalled a particular memory channel you may easily tune off that channel as t...

Page 38: ...DCS tones as well as any desired repeater offset The power level may also be set at this time if you wish to store it 2 Press and hold in the V M MW key for one second A memory number will appear blin...

Page 39: ...step to program the remaining letters numbers or symbols of the desired label A total of six characters may be used in the creation of a label 7 When you have completed the creation of the label pres...

Page 40: ...y for 1 2 second to lock in the selected Memory Bank then press the V M MW key momentarily to copy the memory channel data into the Memory Bank 1 You may assign one memory channel into several Memory...

Page 41: ...ily Deleting a Memory Channel from a Memory Bank 1 In the Memory Bank mode recall the memory channel to be deleted from the Memory Bank 2 Press and hold in the SCAN SEL key for 1 2 second then press a...

Page 42: ...s the Hyper Memory key 1 through 5 corresponding to the Hyper Memory channel into which you wish to store this configuration Hyper Memory Recall Press the appropriate Hyper Memory key 1 through 5 to r...

Page 43: ...stations just press the PTT switch When the scan ner pauses on a station press the PTT key once to halt the can or press it twice to restart the scan 4 To exit to normal operation press and hold in t...

Page 44: ...e TIME TIME TIME TIME TIME In this 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 five seconds the sc...

Page 45: ...scanning modes are engaged 5 If and when the scanner encounters a signal strong enough to open the squelch the scanner will halt temporarily the decimal point of the frequency display will blink dur...

Page 46: ...ed during scanning if you like 1 Set the radio to the Memory Mode by pressing the V M MW key if necessary 2 Rotate the DIAL knob to select the Memory Channel to be skipped during scanning 3 Press and...

Page 47: ...DIAL knob to select Menu 40 SKIP SKIP SKIP SKIP SKIP 5 Press the BAND SET key momentarily then rotate the DIAL knob to ONLY ONLY ONLY ONLY ONLY The current channel is listed on the Preferential Scan L...

Page 48: ...ning 6 To remove a Memory Bank from the Memory Bank Link Scan repeat step 2 and 3 above to delete the decimal point from the Memory Bank number indication Weather Alert Scan This feature allows you to...

Page 49: ...3 Likewise store 146 000 MHz into Memory Channel U1 U1 U1 U1 U1 the U designates the Upper sub band limit 4 Press and hold in the SCAN SEL key for 1 2 sec ond then rotate the DIAL knob to select the...

Page 50: ...le the VFO Priority mode and exit to regular VFO operation Memory Priority 1 Store the frequency you wish to be the Priority Channel into memory channel 1 2 Now set the FT 7900R for operation on anoth...

Page 51: ...atch a special feature is available which will allow you to move to the Priority channel instantly without waiting for activity to appear on the Priority channel When this feature is enabled and Prior...

Page 52: ...ailable SINGLE SINGLE SINGLE SINGLE SINGLE In this mode the transceiver will sweep the current band once in each direction starting on the current frequency All channels where activity is present will...

Page 53: ...h opera tion SINGLE or CONT the Smart Search scan will eventually terminate and the LCD will revert to Smart Search Memory Channel C C C C C 5 To recall the Smart Search memories just stored rotate th...

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

Page 55: ...you to the current status of ARTS operation Depending on your location and the potential annoyance associated with frequent beeps you may choose the Beep mode which best suits your needs The choices...

Page 56: ...llsign 7 When the correct character has been selected press the BAND SET key momentarily to move on to the next character 8 Repeat steps 6 and 7 as many times as necessary to com plete your callsign 9...

Page 57: ...55 FT 7900R OPERATING MANUAL NOTE...

Page 58: ...ephone number you wish to store 5 When you have selected the correct digit press the BAND SET key momentarily Now rotate the DIAL knob to select the second of the 16 available numbers in this current...

Page 59: ...AL knob to select Menu 13 DT SPD DT SPD DT SPD DT SPD DT SPD 3 Press the BAND SET key momentarily then rotate the DIAL knob to select the desired speed 50 50 50 50 50 75 75 75 75 75 100 100 100 100 10...

Page 60: ...tep 1 above the FT 7900R will generate a brief 0 1 second DTMF tone according to your selection in step 4 This DTMF tone is sent at the beginning of every transmission to establish or maintain the lin...

Page 61: ...the BAND SET key for 1 2 second to enter the Set mode 9 Rotate the DIAL knob to select Menu 20 INT MR INT MR INT MR INT MR INT MR 10 Press the BAND SET key momentarily then rotate the DIAL knob to sel...

Page 62: ...nd to exit to normal operation When the TOT Timer reaches 10 seconds before the TOT shut down time a ringer sounds to alert you to the impending shut down AUTOMATIC POWER OFF The Automatic Power Off A...

Page 63: ...requencies channel spacing of 12 5 or 15 kHz This will reduce the transmitter deviation thus mini mizing interference to other users To configure for the narrower bandwidth use the following procedure...

Page 64: ...RG PNL PRG PNL PRG PNL 28 PRG P1 PRG P1 PRG P1 PRG P1 PRG P1 PRG ACC PRG ACC PRG ACC PRG ACC PRG ACC 29 PRG P2 PRG P2 PRG P2 PRG P2 PRG P2 PRG P PRG P PRG P PRG P PRG P 30 PRG P3 PRG P3 PRG P3 PRG P3...

Page 65: ...weak signals near the background noise level Activates 1750 Hz Tone Burst Activate the Smart Search operation Activate the ARTSTM operation Select the CTCSS Tone Frequency Short cut to Menu 44 TN FRQ...

Page 66: ...ignal or power amplifiers having an odd number 1 3 5 etc of amplification stages may result in inversion of a transmitted or received DCS code While under most circumstances this should not occur ampl...

Page 67: ...ETRST F 1 SETRST F 1 SETRST Resets the Set Menu mode settings to their factory defaults F 2 HYPRST F 2 HYPRST F 2 HYPRST F 2 HYPRST F 2 HYPRST Clears the Hyper Memory settings to factory defaults F 3...

Page 68: ...he BAND SET key The display will disappear for a moment then the CLONE CLONE CLONE CLONE CLONE notation will appear on the display 4 On the destination radio press the LOW ACC key The R R R R RX X X X...

Page 69: ...n rotate the DIAL knob to perform the actual adjustment 4 After completing your selection and adjustment press the BAND SET key momentarily to save the new setting then press and hold in the BAND SET...

Page 70: ...hone input during Packet operation Sets the transceiver s circuitry for the Packet baud rate to be used Programming the alternate press and hold in function of the front panel s LOW ACC key Programmin...

Page 71: ...CPU clock frequency Enables Disables the Band edge beeper while selecting the frequency by the DIAL knob Enables disables the Automatic Writing feature for the Hyper Memory Selects the microphone type...

Page 72: ...e other station and a low beep will sound once when the other station goes out of range Menu 3 AR INT Function Selects the Polling Interval during ARTS operation Available Values 25sec 15sec Default 2...

Page 73: ...e Values 50MS 100MS 250MS 450MS 750MS 1000MS Default 450MS Menu 13 DT SPD Function Setting of the DTMF Autodialer Sending Speed Available Values 50MS high speed 75MS mid speed 100MS low speed ms Defau...

Page 74: ...nction Selects the Internet Connection mode Available Values INT COD INT MEM Default INT COD INT COD Sets up the Internet Connection mode for WiRESTM access INT MEM Sets up the Internet Connection mod...

Page 75: ...PTT switch and front panel keys include microphone button are locked out LK P D Both the PTT switch and DIAL knob are locked out LK ALL All of the above are locked out Menu 22 MIC Function Selects the...

Page 76: ...TN FQ DCSC WX RPTR PRI LOW TONE MHz REV HOME BAND V M SCAN Default V M Menu 30 PRG P3 PRG P1 Function Programming the microphone s P3 P1 button assignment See page 62 for details AvailableValues SQ OF...

Page 77: ...ion as with the Single mode but if all 31 channels are not filled after the first sweep the radio continues sweeping until they are all filled Menu 37 SCAN Function Selects the Scan Resume mode Availa...

Page 78: ...t SPL OFF When this Menu Item is set to ON you can see the following additional parameters after the DCS parameter while selecting the Menu 42 SQL TYP D D D D D DCS Encode only the DCS icon will blink...

Page 79: ...When the VFO frequency reaches the high band edge of the current band the VFO frequency will jump to the low band edge of the current band or vice versa BND OFF When the VFO frequency reaches the hig...

Page 80: ...kHz 300 000 336 000 AM 100 kHz 336 000 420 000 FM 12 5 kHz 420 000 450 000 FM 25 kHz 450 000 470 000 FM 12 5 kHz 470 000 520 000 FM 50 kHz 700 000 800 000 FM 50 kHz 803 000 999 990 FM 12 5 kHz FREQENC...

Page 81: ...ne in a normal voice level while pressing this switch VOL KNOB Adjusts the audio volume level POWER SWITCH Press and hold for 1 2 second LOCK SWITCH Press and hold for 1 2 second to lock all key funct...

Page 82: ...vates the Internet Connec tion Feature Press the appropriate button briefly to recall the desired Hyper memory PRESS AND HOLD KEY Activates the Priority Channel Scanning Dual Watch fea ture Reverses t...

Page 83: ...his equipment is incapable of tuning or readily being altered by the User to operate within the frequency bands allocated to the Domestic public Cellular Telecommunications Service in Part 22 WARNING...

Page 84: ...Printed in Japan Copyright 2009 VERTEX STANDARD CO LTD All rights reserved No portion of this manual may be reproduced without the permission of VERTEX STANDARD CO LTD E H 0 1 6 M 1 1 0...

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