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Icom IC-910H Instruction Manual Download Page 77

75

11

OPTION INSTALLATIONS

The IC-910H has a CW narrow mode to provide better 
S/N (Signal-to-Noise), or to reject interference. To op-
erate the CW narrow mode, an optional CW narrow fil-
ter is necessary.

  NOTE: For CW narrow mode during satellite opera-

tion, the FL-133 (for SUB band filter) is necessary 
since the SUB band circuit is used for receiving, al-
though the MAIN band display shows receive fre-
quency.

q

  Remove the bottom cover as shown in the diagram 

on p. 71.

  • Remove the UX-910 if you have installed it. (p. 73)
  •  Disconnect the cables and flat cables when you have in

-

stalled the UT-106. (p. 73)

w

  Disconnect the connection cable connectors from 

J51, J501, J651 and J1051 on the MAIN unit.

e

  Remove the 2 clips and the 6 screws from the MAIN 

unit.

 

 

WARNING!

  

BE CAREFUL not to pinch your finger with the 
clip.

Clips

J51

J651

Red

Gray

J501

J1051

MAIN unit

PLL unit

r

  Disconnect the flat cable connectors from J1101, 

J1301 and J1351 on the MAIN unit, then lift up the 
MAIN unit as below.

J1351

J1301

J1101

Main unit

Slide  the  MAIN  unit  to  the 
front panel side, then lift it up 
as the arrow.

Flat canbles

t

  Install FL-132 or FL-133 to the specified position on 

the MAIN unit.

FL-132

(MAIN)

FL-133

(SUB)

y

  Solder then cut the leads, keeping 2–3 mm (

1

⁄

8

″

) of 

the leads from the bottom of the MAIN unit.

(MAIN)

(SUB)

u

  Return the MAIN unit and clips to their original posi-

tions.

i

  Re-connect the connection cable connector to J51, 

J501, J651 and J1051 on the MAIN unit.

o

  Re-connect  the  flat  cable  connector  to  J1101, 

J1301 and J1351 on the MAIN unit.

  • Return the UX-910 if you have removed it. (p. 73)
  •  Re-connect the cables and flat cables for UT-106 when 

you have disconnected them. (p. 73)

!0

 Return the bottom cover to the original position.

n

 FL-132/FL-133 

CW NARROW FILTER

 

FILTER

 

Passband width

 

 

at –6 dB 

at –60 dB

  Built-in filter 

2.3 kHz 

4.2 kHz

 

FL-132/133 

500 Hz 

1.34 kHz

Summary of Contents for IC-910H

Page 1: ...INSTRUCTION MANUAL VHF UHF ALL MODE TRANSCEIVER i910H ...

Page 2: ...nlight AVOID placing the transceiver against walls or putting anything on top of the transceiver This will obstruct heat dissipation Place unit in a secure place to avoid inadvertent use by children During mobile operation DO NOT operate the trans ceiver without running the vehicle s engine When the transceiver power is ON and your vehicle s engine is OFF the vehicle s battery will soon become exh...

Page 3: ...ion 38 6 MEMORY OPERATION 40 44 n Memory channels 40 n Operation on a memory channel 40 n Programming in VFO mode 41 n Programming in memory mode 41 n Blank channels 42 n Frequency transferring 42 n Memory clearing 43 n Call channels 43 n Memo pads 44 7 SCANS 45 47 n Scan types 45 n Preparation 45 n Programmed scan operation 46 n Memory scan operation 46 n Memory select scan 47 n Tone scan 47 8 SA...

Page 4: ...eadphones are connected the internal speaker or connected external speaker does not function The MAIN and SUB band audio can be mixed or sepa rated when using stereo headphones according to set mode settings p 57 y MICROPHONE CONNECTOR MIC Accepts the supplied or optional microphone See p 81 for appropriate microphones See p 15 for microphone connector information u MIC GAIN CONTROL MIC GAIN Adjus...

Page 5: ... control RF gain is fixed at maximum in set mode as follows p 56 MODE SSB CW FM AUTO RF GAIN SQL SQL SET MODE SETTING SQL SQL RF GAIN SQL RF GAIN SQL SQL When setting as RF gain squelch control Recommended level RF gain adjustable range SSB CW modes Maximum RF gain S meter squelch Noise squelch FM mode Squelch is open When functioning as RF gain control Squelch is fixed open SSB CW only Minimum RF...

Page 6: ...lifier ON and OFF when an op tional pre amplifier unit AG 25 AG 35 and or AG 1200 is connected p 16 DO NOT connect any equipment such as an SWR or power meter between the transceiver and pream plifier In such case the preamplifier may not acti vate properly 7 AUTO FREQUENCY CONTROL NOISE BLANKER NOISE REDUCTION SWITCH AFC NB NR During FM FM narrow mode operation push to switch the AFC Automatic Fr...

Page 7: ... is select ed respectively The regular tuning step is selected for each operating mode as follows For 1 sec Push for 1 sec to enter the regular tun ing step selection mode The tuning step can be selected for each op erating mode independently SSB CW mode 1 10 50 and 100 Hz step FM mode 0 1 5 6 25 10 12 5 20 25 and 100 kHz step can be selected by rotating the tuning dial 0 SPEECH LOCK SWITCH SPCH L...

Page 8: ...d by default However the Sub dial function assigns these controls as the MAIN SUB tuning dial or the SUB band IF shift control p 24 68 RIT SHIFT RIT SHIFT RIT SHIFT Center position Max counter clockwise position Max clockwise position 6 SATELLITE SWITCH SATELLITE Push to enter satellite mode RX on MAIN TX on SUB band Push again to return to the condition before entering into the satellite mode For...

Page 9: ... tuned by rotating the tuning dial p 49 Enters numeral 0 when entering an operating frequency p 23 Switches sweep function for the bandscope ON and OFF p 29 Turns OFF the MAIN band frequency indication during satellite operation In this case only the SUB band frequency can be tuned by rotating the tuning dial p 49 Enables operating frequency entering from the keypad See page 23 for details Equaliz...

Page 10: ... mode between FM and FM N FM nar row The FM N mode cannot be selected in 1200 MHz band operation 2 TONE SWITCH TONE p 34 Push to turn the tone encoder function ON and OFF in FM mode except Eu rope Sweden and Italy versions T indicator appears in the display when the tone encoder is activated Push to transmit a 1750 Hz repeater tone in FM mode for European Sweden and Italy versions Available repeat...

Page 11: ...n the SUB band readout indication ON and OFF p 24 5 CALL TONE SQUELCH SWITCH CALL T SQL Push to select the call channel of the op erating band The call channel can be selected from both the VFO and memory mode operation p 43 For 1 sec Push for 1 sec to turn the tone squelch function ON and OFF during FM mode operation p 30 T SQL indicator appears when the tone squelch is activated ...

Page 12: ...e memory and VFO mode operation Memory channel number readout In addition to the memory channel number indication the memory channel number readout indicates 10 Hz and 1 Hz digits of operating frequency while rotating the tuning dial in SSB or CW mode with 10 or 1 Hz tuning step After 2 sec from tuning dial operation the readout indicates the memo ry channel number o AUTO NOTCH FILTER INDICATOR p ...

Page 13: ...when the optional pre amplifier unit AG 25 AG 35 and or AG 1200 is connected and the pre amplifier function is activated 2 ATTENUATOR INDICATOR p 29 Appears when the attenuator is activated 3 MULTI FUNCTION BAR METER Shows the receiving signal strength as an S me ter while receiving Peak hold function is avail able and can be switched ON and OFF in regular set mode pgs 26 56 Shows the relative tra...

Page 14: ...dle a straight key or external elec tronic keyer with 1 8 inch standard plug _ dot com dash i SUB BAND DATA SOCKET DATA SUB o MAIN BAND DATA SOCKET DATA MAIN p 13 6 pin mini plug DIN jack to connect a TNC etc for high speed data communications Independent data sockets enable simultaneous re ception in both MAIN and SUB bands for data com munication MAIN band TX RX SUB band RX only 0 ACCESSORY SOCK...

Page 15: ... AF signals from the AF detector circuit Output level is fixed regardless of AF control Output terminal for squelch condition Open Close Outputs grounded level signal when squelch is opened Output terminal for 13 8 V DC in rela tion to the POWER Input terminal for ALC control Transmit voltage 0 5 to 0 8 V Output current Less than 20 mA Input current Tx Less than 200 mA Output impedance 10 kΩ Input...

Page 16: ...or radio communications the antenna is of critical im portance along with output power and sensitivity Se lect antenna s such as a well matched 50 Ω anten na and feedline 1 5 1 or better of Voltage Standing Wave Ratio VSWR is recommended for your desired band Of course the transmission line should be a co axial cable CAUTION Protect your transceiver from lightning by using a lightning arrestor PL ...

Page 17: ...ut power 5 mW with 8 Ω load Output power may differ according to the headphone HM 36 HAND MICROPHONE HEADPHONES q MIC Microphone input w 8V Max 8 V DC 10 mA e MIC U D Frequency up down r SQL S Squelch switch t PTT y GND PTT ground u GND Microphone ground i AF OUT varies with AF CAUTION DO NOT short pin 2 to ground as this can damage the internal 8 V regulator DC voltage is applied to pin 1 for mic...

Page 18: ... mounting preamplifiers are available MAIN MAIN 144 MHz 430 440 MHz 1200 MHz optional SUB SUB sp 7 icom Use 4 8 Ω speakers REMOTE p 78 Used for computer control and transceive operation Used for external equipment control ACC SOCKETS pgs 13 52 DATA SOCKETS MAIN SUB pgs 13 52 CAUTION NEVER connect equipment i e power SWR meter between transceiver and preamplifier n Advanced connections Front panel ...

Page 19: ... supply with a 25 A capac ity and above when operating the transceiver with AC power Refer to the diagrams below CAUTION Before connecting the DC power cable check the following important items Make sure The POWER switch is OFF Output voltage of the power source is 12 15 V when you use a non Icom power supply DC power cable polarity is correct Red positive terminal Black negative _ terminal NEVER ...

Page 20: ...pter 3 Then reset the transceiver using the follow ing procedure q Make sure the transceiver power is OFF w While pushing MW 4 and M CL 5 push POWER to turn power ON The internal CPU is reset The transceiver displays its initial VFO frequencies when resetting is complete POWER MW 4 M CL 5 Resetting CLEARS all programmed contents in memory channels and returns programmed values in set mode to defau...

Page 21: ...simultaneously Assign 144 MHz or 430 440 MHz band whichev er band you want to transmit or be called on as the MAIN band Push M S to exchange the MAIN and SUB bands FM VFO A VFO A FM S 1 3 5 7 9 20 40 60dB 60dB S 1 3 5 7 9 20 40 MAIN band display SUB band display FM VFO A VFO A FM S 1 3 5 7 9 20 40 60dB 60dB S 1 3 5 7 9 20 40 FM VFO A VFO A FM S 1 3 5 7 9 20 40 60dB 60dB S 1 3 5 7 9 20 40 MAIN band...

Page 22: ...f re quired w Push M S BAND for 1 sec to select operating band NOTE The same operating band cannot be as signed on both MAIN and SUB bands simultane ously D Selecting on the SUB band q Push SUB to enable the SUB band access SUB indicator appears w Push M S BAND for 1 sec to select operating band SUB M S BAND FM VFO A VFO A S 1 3 5 7 9 20 40 60dB 60dB S 1 3 5 7 9 20 40 Select 1200 MHz to MAIN band ...

Page 23: ... equalization Push A B 2 for 1 sec to equalize the undisplayed VFO condition to the displayed VFO 3 beeps sound when the VFO equalization is complet ed Use two VFOs as a quick memory When you find a new station but you wish to contin ue searching the two VFO system can be used for quick memory storage q Push A B 2 for 1 sec to store the displayed fre quency into the undisplayed VFO w Continue sear...

Page 24: ...CW The following steps are selectable FM 0 1 5 6 25 10 12 5 20 25 or 100 kHz SSB CW 1 10 50 or 100 Hz q Push M S to select the desired frequency band as the MAIN band or push SUB to access the SUB band w Push FM or SSB CW to select the desired oper ation mode e Push kHz MHz TS for 1 sec to enter the tuning step set mode r Rotate the tuning dial to select the desired tuning step t Push kHz MHz TS t...

Page 25: ...e Push SSB CW to select USB mode USB mode is generally used for SSB phone operation on the VHF and UHF bands Push SSB CW for 1 sec after USB mode selection to switch between USB and LSB mode Selecting CW mode Push SSB CW to select CW mode Push SSB CW for 1 sec after CW mode selection to switch between CW and CW narrow mode The optional CW narrow filter FL 132 or FL 133 is required for the MAIN or ...

Page 26: ...UB OFF for 1 sec n SUB tuning dial The IC 910H has a large main tuning dial for frequen cy setting In addition the RIT or SHIFT controls can be used as a SUB tuning dial for dual band simultane ous tuning etc The SUB tuning dial changes the oper ating frequency continuously at a variable speed To use the SUB tuning dial function assign the func tion to either the RIT or SHIFT control using the RIT...

Page 27: ...he RIT control can be used for SUB band tuning The RIT control can be used for SUB band IF shift control The SHIFT control functions as SHIFT even when the SUB tuning dial function is in use default The SHIFT control can be used for SUB band IF shift control The SHIFT control can be used for MAIN band tuning The SHIFT control can be used for SUB band tuning n Dial lock function The dial lock funct...

Page 28: ...ears MAIN SUB band indicator also goes OFF By rotating RF SQL to a deeper position clockwise the S meter will move and the S meter squelch func tion will be activated When the S meter squelch is acti vated weak signals weaker than the S meter squelch set level are ignored RF SQL SUB RF SQL MAIN When operating in SSB CW q Rotate RF SQL fully counterclockwise w Rotate RF SQL clockwise to the positio...

Page 29: ...cuts out higher or lower frequency components of the IF to reject interference The function shifts the IF frequency up to 1 2 kHz in 100 Hz steps in SSB CW mode The IF shift is especially useful in SSB opera tion and not available in FM mode The IF shift function can be used for the SUB band using the SUB tuning dial function p 24 D MAIN band IF shift operation q Set the SHIFT control to its cente...

Page 30: ... AFC function The AFC Automatic Frequency Control automatically tunes the operating frequency when receiving an off frequency signal or receiving signal shifts in FM or FM narrow mode Push AFC NB to turn the AFC function ON and OFF AFC indicator appears when the AFC function is acti vated When strong nearby signals are available the AFC function may tune to those signals n FM center indicator The ...

Page 31: ...her signals Detect ed signals are indicated graphically on the S meter q Set the operating frequency and mode w Push SWP 0 to turn the simple band scope func tion ON and OFF SWP indicator flashes when the simple band scope function is activated Detected signals are indicated using the S meter and Z indicator displayed above the S meter shows the center frequency displayed frequency The signal avai...

Page 32: ...he signal with correct tone is received the squelch opens and audio can be heard When a signal with incorrect tone or no tone is received the squelch does not open however the S meter indi cates the signal strength Push and hold CHECK 7 to open the squelch manual ly and keep pushing to monitor t Operate the transceiver in a normal way push PTT to transmit release PTT to receive y Push CALL T SQL f...

Page 33: ...vated AFC NB NR for 1 sec D Setting the noise reduction level q Push SET then AFC NB NR to enter the noise reduction set mode w Rotate the tuning dial to select the desired noise re duction level Push M CL 5 for 1 sec to return to the default value e Push AFC NB NR to exit from the noise reduction set mode USB VFO A NR D ANF Automatic Notch Filter function This function automatically attenuates be...

Page 34: ...rease the microphone gain 9 12 o clock position is recommended for MIC GAIN PTT switch HM 12 n Indications during transmit D Transmit indicator The MAIN band indicator lights red while transmitting However the SUB band indicator lights red during sat ellite operation D RF power indicator The S meter for the MAIN band is used as the RF power indicator to indicate the relative output power level How...

Page 35: ...q Push SET then VOX to enter the VOX set mode w Push DN Z or Y UP to select the VOX gain item GAIn is displayed e Rotate the tuning dial to adjust the VOX gain while speaking into the microphone at a normal voice level until the transceiver begins transmitting With too sensitive a setting the transceiver may trans mit with other than your voice such as noise receiving signal etc Push M CL 5 for 1 ...

Page 36: ... sec to turn the power OFF once then push POWER to turn the power ON while pushing and holding FM and TONE The memory channels can be used for normal operation after programming 0 Push SET then FM to enter the FM set mode 1 Push DN Z or Y UP to select auto repeater item AutorPt is displayed 2 Rotate the tuning dial to turn the auto repeater func tion ON U S A version on1 Activates duplex only on2 ...

Page 37: ...ency band w Push SET then FM to enter the FM set mode e Push DN Z or Y UP to select the tone frequency item ton selected band 144 430 440 1200 and T indica tor appear r Rotate the tuning dial to set the desired tone fre quency t Push FM to exit from the FM set mode D Setting offset frequency q Push M S BAND or SUB to select the desired frequency band w Push SET then FM to enter the FM set mode e P...

Page 38: ...evel setting q Select USB or LSB mode w Preset the transceiver as follows COMP function OFF RF POWER control Max counterclockwise e Transmit at your normal voice level r Adjust the MIC GAIN control so that the MAIN band indicator periodically lights red brightly wheth er or not you speak softly or loudly t Push COMP to turn the speech compressor ON y Push SET then COMP to enter the COMP set mode u...

Page 39: ...the split function e g USB and CW n Full duplex operation The MAIN and SUB bands are activated independent ly therefore simultaneous transmission and reception in different frequency bands are possible q Push M S BAND to select the desired frequency band for transmission Push V M 1 to select VFO or memory mode if desired Push SSB CW or FM to select the desired operating mode w Rotate the tuning di...

Page 40: ...ode selection when the optional CW nar row filter FL 132 for MAIN band or FL 133 for SUB band is installed r Rotate the tuning dial to set the operating frequen cy t Push TRANSMIT to set the transceiver to transmit mode The MAIN band indicator lights red y Operate the paddle or key to transmit the CW sig nal u Push TRANSMIT to return to receive mode Tuning dial SSB CW M S BAND TRANSMIT CW Paddle S...

Page 41: ... SSB CW to enter the SSB CW set mode w Push DN Z or Y UP to select the keying weight item rAtio is displayed e Rotate the tuning dial to adjust the keying weight ratio to the desired level Keying weight ratio can be selected from 1 1 2 8 to 1 1 4 5 Push M CL 5 for 1 sec to return to the default value r Push SSB CW to exit the SSB CW set mode D Setting CW pitch q Push SET then SSB CW to enter the S...

Page 42: ...ile holding DN Z or Y UP The tuning dial rotation while pushing F INP ENT also selects memory channel e Push V M 1 to return to VFO mode D During VFO mode operation By pushing DN Z or Y UP during VFO mode op eration memory channel is also selectable However the frequency readout does not change in this case only the memory channel number changes Y UP DN Z FM VFO A MEMO FM MEMO USB Select memory mo...

Page 43: ...l Beep tones sound Set desired frequency and mode n Programming in memory mode q Push V M 1 to select memory mode w Push DN Z or Y UP to select the desired mem ory channel to be programmed The tuning dial rotation while pushing F INP ENT also selects memory channel e Set the desired operating frequency and mode in the memory mode Tone frequency offset frequency etc can also be pro grammed Set the ...

Page 44: ...ting in memory mode When you have changed the frequency or operating mode in the selected memory channel Displayed frequency and mode are transferred Programmed frequency and mode in the memo ry channel are not transferred and they remain in the memory channel q Push DN Z or Y UP to select the memory chan nel to be transferred in memory mode And set the frequency or operating mode if required w Pu...

Page 45: ...t often used frequency The IC 910H has one call channel for each frequency band D Call up a call channel q Push M S BAND or SUB to select the desired frequency band w Push CALL to select the call channel e Push CALL or V M 1 to return to previous display D Call channel programming q Push M S BAND or SUB to select the desired frequency band w Push CALL to select the call channel e Enter the desired...

Page 46: ...erating modes into memo pads You can simply store the accessed readout frequency and operating mode by pushing MPW 8 When you write a 6th or 11th frequency and operat ing mode the oldest written frequency and operating mode are automatically erased to make room for the new settings Each memo pad must have its own unique combi nation of frequency and operating mode memo pads having identical settin...

Page 47: ...g scan resume condition q Push SET then SCAN to enter the scan set mode w Push DN Z or Y UP to select the scan resume item SC rES is displayed e Rotate the tuning dial to select scan resume condi tion from ON and OFF ON scan resumes oFF scan cancels Push M CL 5 for 1 sec to return to the default setting r Push SCAN to exit from the scan set mode Setting scan speed q Push SET then SCAN to enter the...

Page 48: ... desired operating mode The operating mode can also be changed while scan ning r Push SCAN to start the programmed scan SCAN indicator flashes The tuning step setting is used for the scanning step 1 kHz or 1 MHz tuning step can also be used as the scanning step t Push SCAN to cancel the scan If the same frequency is programmed into the scan edge memory channel 1A and 1b 2A and 2b or 3A and 3b prog...

Page 49: ...r can detect a subaudible tone frequen cy in a received signal By monitoring a signal that is being transmitted on a repeater input frequency you can determine the tone frequency required to access the repeater q Set the desired frequency or memory channel to be checked for a tone frequency w Push FM to select FM mode e Push TONE or CALL T SQL for 1 sec to activate the subaudible tone T or T SQL i...

Page 50: ...normal tracking satellite in SSB mode use USB for both the uplink and downlink frequencies n Entering into the satellite mode Operating frequencies in satellite mode can be set both before and after entering into the satellite mode Normal and reverse tracking are available D Transferring the VFO frequency to the satellite VFO q Set the downlink frequency receive in the MAIN band w Set the uplink f...

Page 51: ...k frequency tuning Downlink frequency indication disappears Push SWP 0 S again after the tuning USB MEMO LSB SATL REV S 1 3 5 7 9 20 40 60dB 60dB S 1 3 5 7 9 20 40 NOTE To select the operating mode for the uplink push SUB to enable the SUB band access n Tracking selection Push F INP ENT NOR REV for 1 sec to switch be tween normal and reverse tracking D Normal tracking Both downlink and uplink freq...

Page 52: ...nk frequency SUB band while transmitting a single tone such as a whistle to find your downlink signal and monitor your own signal correctly Push SWP 0 S after setting USB MEMO LSB SATL REV S 1 3 5 7 9 20 40 60dB 60dB S 1 3 5 7 9 20 40 NOTE To avoid excessive power set the output power so that the downlink signal strength is lower than the beacon s strength USB MEMO LSB SATL REV S 1 3 5 7 9 20 40 6...

Page 53: ... to select satellite VFO e Push DN Z or Y UP to select the desired satel lite mode memory channel The channels 00 09 are selectable By pushing and holding either switch the satellite mem ory channel changes continuously USB MEMO LSB NOR SATL S 1 3 5 7 9 20 40 60dB 60dB S 1 3 5 7 9 20 40 Satellite memory indication D Satellite memory programming q Select the desired satellite memory channel Push SA...

Page 54: ...e GND line E to the GND line B when connecting to ACC 1 A B C D F E AFSK output AF input PTT NOTE GND Squelch input SQL PTT RX AUDIO 1200 bps GND GND TX AUDIO n Functions for AFSK The IC 910H does not have an FSK mode for RTTY AMTOR PACKET etc however you can operate these using AFSK in SSB or FM mode The transceiver accepts data speed of up to 9600 bps When using 9600 bps set the transceiver to t...

Page 55: ...he ACC socket See below q Push M S BAND to select the desired frequency band w Push FM or SSB CW to select the desired oper ating mode LSB is normally used FM is used for PACKET e Adjust the audio output level with AF control Use RF SQL when required r Adjust the desired RF output power When using the MIC connector for external equipment connection the MIC GAIN control should be adjusted t Select ...

Page 56: ...m HI and Lo sub ACC t AF is displayed HI 200 mV rms Lo 2 mV rms Push M CL 5 for 1 sec to return to the default setting This setting is ignored when 9600 bps data mode w is selected and 1 0 V p p is set as a fixed value t Push SET to exit from the set mode D Adjusting the transmit signal output from the TNC When setting the data transmission speed to 9600 bps the data signal coming from the TNC is ...

Page 57: ...h 1 of following switches keys to enter the inde pendent set mode SPCH FM SSB CW SCAN MPW COMP VOX TRANSMIT NR RIT ATT SWP SCAN e Push DN Z or Y UP to select the desired item r Set the desired condition using the tuning dial Push M CL 5 for 1 sec to select a default condition or value SCAN SCAN t Push the applicable switch pushed in step w or SET to exit the set mode FM VFO A VFO A FM S 1 3 5 7 9 ...

Page 58: ...control assignment Assign RF SQL control function from rF SqL Auto and SqL rF SqL RF gain and squelch controls are com bined for SSB CW mode Acts as squelch control for FM mode Auto Acts as either an RF gain or squelch control depending on operating mode SqL Acts as squelch control for all modes RF gain is set to maximum level in this setting Peak hold function Turn the S meter peak hold function ...

Page 59: ...function temporarily changes tuning step when rotating the tuning dial quickly The auto TS function automatically selects a 10 or 50 Hz tuning step when 1 or 10 Hz tuning step is used for regular operation respectively 9600 bps data transmission Turn the 9600 bps data transmission capability ON and OFF on For 9600 bps data transmission oFF For the regular audio or slower data trans mission only 96...

Page 60: ...put for 144 MHz band op eration ON and OFF ACC socket Pin 3 for 430 440 MHz band Switch the SEND signal output for 430 440 MHz band operation ON and OFF ACC socket Pin 3 for 1200 MHz band Switch the SEND signal output for 1200 MHz band operation ON and OFF Preamplifier controller for 144 MHz Switch the preamplifier control capability ON and OFF When using the optional AG 25 ON must be se lected Ot...

Page 61: ...power meter between the transceiver and pre amplifier In such case the preamplifier may not activate properly P AMP P AMP CI V address To distinguish between equipment each CI V trans ceiver has its own Icom standard address in hexa decimal code The IC 910H s address is 60H When 2 or more IC 910Hs are connected to an op tional CT 17 ci v level converter select a different address for each IC 910H ...

Page 62: ...ult value 20 0000 FM Tone encoder frequency for 144 MHz except Europe Sweden and Italy versions Select tone encoder frequency for accessing a repeat er etc from one of 50 available tone frequencies This item is displayed when the 144 MHz band is ac cessed including the SUB band access capability Default value 88 5 FM T Tone encoder frequency for 430 440 MHz except Europe Sweden and Italy versions ...

Page 63: ...s accessed including the SUB band access capability Default value 88 5 FM SQL T One touch repeater shift direction except Europe Sweden and Italy versions Select shift direction for one touch repeater function from DUP and DUP DUP FM DUP FM Auto repeater function U S A and Korea versions Turn the auto repeater function ON and OFF To activate the auto repeater function ON must be selected in this s...

Page 64: ...cy for SSB USB LSB mode operation within 200 to 200 Hz range in 10 Hz steps LSB USB LSB USB CW pitch frequency Adjust the CW pitch frequency within 300 to 900 Hz range in 10 Hz steps CW CW keying speed adjustment Adjust the built in electric keyer keying speed to the desired level within 6 to 60 WPM range CW CW Semi break in Turn the semi break in function ON and OFF CW CW CW break in delay Adjust...

Page 65: ...n Use built in electronic keyer r Use built in electronic keyer with reversed po larity buG Use built in electronic keyer as bug key oFF Use external electronic keyer or straight key ud Use microphone s UP DN as a paddle CW CW CW dot dash ratio Adjust the CW dot dash ratio to the desired level with in 1 1 2 8 to 1 1 4 5 range CW C N type for 1200 MHz Select the C N type for the 1200 MHz band opera...

Page 66: ... OFF on Scan resumes oFF Scan cancels when a signal is received SCAN SCAN Number of memo pad channels Select the number of memo pad channels available from 5 and 10 5 5 memo pad channels can be used 10 10 memo pad channels can be used n Compressor set mode Compression level Adjust the compression level for the speech compres sor to the desired level within 0 100 range COMP Scanning speed Select th...

Page 67: ...0 sec to 2 0 sec range in 0 1 sec steps VOX n Attenuator set mode Attenuation level for 144 MHz Adjust the attenuation level to the desired level within 0 100 range for the 144 MHz band operation Attenuation level for 430 440 MHz Adjust the attenuation level to the desired level within 0 100 range for the 430 440 MHz band operation Anti VOX Adjust the anti VOX gain within 0 100 range VOX ...

Page 68: ...n from OFF 3 5 10 20 and 30 min PTT lock Turn the transmission inhibit capability ON and OFF Any control for transmission is inhibited when this item is ON SUB band mute Turn the SUB band audio mute function ON and OFF The SUB band audio is muted while transmitting when this function is turned ON SUB SUB ...

Page 69: ... NR set mode Noise reduction level for 144 MHz Adjust the noise reduction level to the desired level within 0 15 for the 144 MHz band operation Adjust it to the level that noise signals are reduced and received audio has no distortion This item is displayed only when the optional UT 106 is installed NR Noise reduction level for 430 440 MHz Adjust the noise reduction level to the desired level with...

Page 70: ...nctions as IF shift control for SUB band SHIFT control assignment Assign SHIFT control function from SFt Sub SFt dIAL and SubdIAL SFt SHIFT control functions as IF shift con trol Sub SFt SHIFT control functions as IF shift con trol for SUB band dIAL SHIFT control functions as tuning dial for MAIN band SubdIAL SHIFT control functions as tuning dial for SUB band RIT indication Turn the RIT adjusting...

Page 71: ...age from English Japanese and OFF EnG Announces in English JPn Announces in Japanese oFF No announcement Announcement speed Select the announcement speed from high and low HI Faster announcement Lo Slower announcement S meter level announcement Turn the S meter level announcement capability ON and OFF on Announces S meter level with the operating frequency oFF Announces the operating frequency onl...

Page 72: ...g fan J1801 for UT 102 connection SSB filter MAIN band CW N filter MAIN band CW N filter SUB band SSB filter SUB band MAIN unit PLL unit DSP unit PLL ref signal for UX 910 DSP unit DC power connector n Internal view Top view PA unit Bottom view PLL MAIN unit ...

Page 73: ...essed readout s fre quency mode etc S meter level can also be an nounced p 69 in a clear electronically generated voice in English or Japanese Push SPCH to announce the frequency etc q Remove the bottom cover as shown above Remove the UX 910 if you have installed it p 73 w Remove the protective paper attached to the bot tom of the UT 102 to expose the adhesive strip e Plug UT 102 into J1801 on the...

Page 74: ...tion Attach the Velcro tape to the UT 106 and PLL unit shielding plate y Return the shielding plate top cover and bottom cover to their original positions Take care of the conductor direction J1771 J3 J1 J1751 Shielding plate UT 106 MAIN unit P1 PLL unit D Installing 2nd DSP unit rear panel side q Remove the top and bottom covers Remove the UX 910 if you have installed it p 73 w Remove the shieldi...

Page 75: ...it DC power cable to the power connector W305 from the PA unit and the coaxial cable to the J541 on the PLL unit CAUTION NEVER catch the cables from the optional DSP unit s between chassis and the UX 910 this may damage the DSP unit s and or transceiver J541 J2 UX 910 PLL unit Power connector DC power cable Coaxial cable Flexible flat cable r Place the UX 910 using the supplied 4 screws Be careful...

Page 76: ...ottom cover as shown in the diagram on p 71 Remove the UX 910 if you have installed it p 73 w Remove the 6 screws from the PLL shield cover then lift up the PLL shield cover PLL shield cover e Disconnect the FFC Flexible Flat Cable from the DISPLAY unit and the connection cable connectors from J501 and J1051 on the MAIN unit r Remove the 5 screws from the PLL unit then lift up the PLL unit t Unsol...

Page 77: ...ed Gray J501 J1051 MAIN unit PLL unit r Disconnect the flat cable connectors from J1101 J1301 and J1351 on the MAIN unit then lift up the MAIN unit as below J1351 J1301 J1101 Main unit Slide the MAIN unit to the front panel side then lift it up as the arrow Flat canbles t Install FL 132 or FL 133 to the specified position on the MAIN unit FL 132 MAIN FL 133 SUB y Solder then cut the leads keeping ...

Page 78: ...nt language is set to oFF The dial lock function is activated The internal CPU has malfunctioned Reconnect the DC power cable correctly Check the cause then replace the fuse with a spare one Fuses are installed in the DC power cable and the internal PA unit Rotate AF clockwise to obtain a suitable listen ing level Rotate RF SQL to 12 o clock position to open the squelch Push TRANSMIT to receive or...

Page 79: ...e circuitry fuse This fuse is installed in the PA unit q Remove the top cover as shown on p 71 w Remove the 11 screws from the PA shielding plate then remove the plate e Replace the circuitry fuse as shown in the diagram at right r Replace the PA shielding plate and top cover Circuitry fuse 4 A n CPU resetting Resetting CLEARS all programmed contents in memory channels and returns programmed value...

Page 80: ... default address Command number see table at right Sub command number see table at right BCD code data for frequency or memory number entry End of message code fixed q w e r t y u q w e r t y u 13 78 CONTROL COMMAND CI V connection example The transceiver can be connected through an option al CT 17 ci v level converter to a personal computer equipped with an RS 232C port The Icom Communi cations I...

Page 81: ... mode 79 13 CONTROL COMMAND Command Sub command 01 02 03 04 06 14 09 0A 0B 0C 0E 0F 01 15 02 02 12 22 40 level data 41 16 42 43 44 46 47 4A 19 00 00 01 02 level data 03 level data 04 1A level data 05 level data 06 07 08 09 00 1B 01 1C 00 Description AF level setting 0 max CCW 128 center 255 max CW RF GAIN level setting 0 max CCW 255 max CW SQL level setting 0 max CCW 255 max CW IF SHIFT level sett...

Page 82: ...n superheterodyne Intermediate frequencies Unit MHz Sensitivity SSB CW 10 dB S N Less than 0 11 µV FM 12 dB SINAD Less than 0 18 µV Squelch sensitivity threshold SSB CW Less than 1 0 µV FM Less than 0 18 µV Selectivity SSB CW More than 2 3 kHz 6 dB Less than 4 2 kHz 60 dB FM More than 15 0 kHz 6 dB Less than 30 0 kHz 60 dB FM N More than 6 0 kHz 6 dB Less than 18 0 kHz 36 dB CW N More than 0 5 kHz...

Page 83: ...ns 500 Hz 6 dB MB 23 CARRYING HANDLE Carrying handle convenient for porta ble operation UX 910 1200 MHz BAND UNIT Allows you additional all mode opera tion on the 1200 MHz band UT 106 DSP UNIT Allows AF DSP capabilities including noise reduction and auto notch filter AG 25 for 144 MHz band AG 35 for 430 440 MHz band AG 1200 for 1200 MHz band WEATHER PROOF PREAMPLIFIERS External all weather mast mo...

Page 84: ... have been recommended 10 400 MHz 2 W sq m 435 MHz 2 2 W sq m 1296 MHz 6 5 W sq m EIRP Clearance heights by frequency band Watts 10 2 m 70 cm 23 cm 13 cm and above 1 2 1 m 2 m 2 m 2 m 10 2 8 m 2 7 m 2 5 m 2 3 m 25 3 4 m 3 3 m 2 7 m 2 5 m 100 5 m 4 7 m 3 6 m 3 2 m 1000 12 m 11 5 m 7 3 m 6 3 m Forward clearance EIRP by frequency band Watts 10 2 m 70 cm 23 cm 13 cm and above 100 2 m 2 m 1 1 m 0 7 m 1...

Page 85: ...pplicable Declare on our sole responsibility that this equipment complies the essential requirements of the Radio and Telecommunications Terminal Equipment Directive 1999 5 CE and that any applicable Essential Test Suite measurements have been performed Version and frequency coverage Optional UX 910 Version 144 MHz 430 MHz 1200 MHz Europe 02 144 0 146 0 430 0 440 0 1240 0 1300 0 Sweden 05 144 0 14...

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Page 88: ... CZ GR LU SI NO DK HU MT ES CH EE IE NL SE BG Intended Country of Use AT FI IT PL GB RO BE FR LV PT IS TR CY DE LT SK LI HR CZ GR LU SI NO DK HU MT ES CH EE IE NL SE BG Intended Country of Use AT FI IT PL GB RO BE FR LV PT IS TR CY DE LT SK LI HR CZ GR LU SI NO DK HU MT ES CH EE IE NL SE BG A 5699H 1EX oa Printed in Japan 2000 2010 Icom Inc Printed on recycled paper with soy ink ...

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