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This device complies with Part 15 of the FCC Rules. Operation is sub-
ject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation. 

iT90A

MULTIBAND FM TRANSCEIVER

INSTRUCTION MANUAL

WARNING: 

MODIFICATION OF THIS DEVICE TO RECEIVE CEL-

LULAR RADIO TELEPHONE SERVICE SIGNALS IS PROHIBITED
UNDER FCC RULES AND FEDERAL LAW. 

IC-T90A_IM.qxd  02.6.6 08:44 AM  Page a (1,1)

Summary of Contents for IC-T90A

Page 1: ...cause armful interference and 2 this device must accept any interference eceived including interference that may cause undesired operation iT90A MULTIBAND FM TRANSCEIVER INSTRUCTION MANUAL WARNING MO...

Page 2: ...nnels per nk You can pick and choose any desired channel for scan ng from the 500 memories e supplied BP 217 LITHIUM ION BATTERY PACK provides full W output Along with the energy conserving settings t...

Page 3: ...occur If disregarded inconvenience only No risk of personal injury fire or electric shock Equipment damage may occur com Inc and the logo are registered trademarks of Icom orated Japan in the United S...

Page 4: ...an AC outlet Such a nnection will damage the transceiver EVER connect the transceiver to a power source that is DC fused at more than 5 A Accidental reverse connection will be protected by this fuse b...

Page 5: ...emory bank 41 Memory clear 43 Call channel 44 y SCAN OPERATION 45 49 Scan types 45 VFO scan 46 Frequency skip function 47 Skip channel setting 47 Memory scan 48 Scan notes 49 u PRIORITY WATCH 50 54 Pr...

Page 6: ...nsceiver Installing the alkaline batteries Install 2 R6 AA size alkaline batteries into BP 216 Be sure to observe the correct polarity Keep battery contacts clean It s a good idea to clean battery ter...

Page 7: ...transceiver from the belt clip as shown at upper right DHandstrap Slide the handstrap through the loop on the top of the belt clip as shown at right QUICK REFERENCE GUIDE 1 q q iC t90a CAUTION HOLD TH...

Page 8: ...0 MHz band antenna adapter before operating on receiving the signal below the 50 MHz band Be sure to e this 50 MHz band adapter during operation below the MHz band You can operate on the whole band wi...

Page 9: ...w Connect the CP 19 cigarette lighter adapter cable to the cigarette lighter socket e Charging starts and the battery indicator on the display blinks NOTE The BP 217 can be charged while you are opera...

Page 10: ...se the CP 19 when connecting a regulated 12 V DC power supply If a battery pack is attached the voltage of the external power supply must be within 11 5 16 V DC otherwise the battery power may be used...

Page 11: ...times until the desired operating band VHF 51 000 146 010 or UHF 440 000 as default appears on the display ePush Y or Z several times to adjust to the desired audio level rRotate DIAL to select the re...

Page 12: ...just the audio level by default p 17 Push to adjust the frequency when Y Z and DIAL are exchanged by pushing 1 V D for 1 sec p 23 r MONITOR SWITCH SQL p 22 Push and hold to temporarily open the squelc...

Page 13: ...g an optional CP 19 cigarette lighter cable To connect regulated power supply with optional CP 19 cigarette lighter cable 1 MODE SCAN SWITCH MODE SCAN Push to select the operating mode FM WFM AM p 21...

Page 14: ...or 1 sec to activate the following tone functions in order Subaudible tone encoder T appears p 29 Tone squelch T SQL appears p 71 Pocket beep T SQLS appears p 71 DTCS squelch DTCS appears p 71 DTCS be...

Page 15: ...ode 6 NE SCAN SWITCH 7 T SCAN Push for 1 sec to start a tone scan p 73 Inputs digit 7 for frequency input memory channel selection etc While pushing PTT this key sends the DTMF code 7 3 SET MODE SWITC...

Page 16: ...decimal point of the frequency blinks during scan LOCK INDICATOR p 74 Indicates that the lock function is in use e RECEIVE MODE INDICATORS p 21 Shows the receive mode AM FM and WFM are available r DUP...

Page 17: ...ned ON in VFO mode IORITY WATCH INDICATOR p 50 pears when priority watch is in use EMORY MODE INDICATOR p 20 pears when a memory channel is selected 0 MEMORY CHANNEL NUMBER READOUT p 20 Shows the memo...

Page 18: ...may flow into nearby metal objects so be careful when placing bat tery packs in handbags etc If your battery pack seems to have no capacity even after being charged completely discharge it by leaving...

Page 19: ...tte lighter socket be used instead of the AC adapters of the above charg ttery indicators attery indicators blink while charging but do not indicate ower condition _F appears when the charging is comp...

Page 20: ...123 to the AC ADAPTER jack NEVER use another manufactures charger n optional cable CP 19 for 12 V cigarette lighter socket an be used instead of the supplied AC adapter Connect ne of these to the DC11...

Page 21: ...same brand alkaline batteries External power operation An optional cable CP 19 for 12 V cigarette lighter socket can be used for external power operation Power supply range is between 5 5 11 0 V DC N...

Page 22: ...d ON or OFF in the ex panded set mode 1 p 64 DSetting volume level The audio level can be adjusted through 32 levels Push Y or Z to set the desired audio level Rotating the tuning dial while pushing Y...

Page 23: ...AL to select the desired tuning step Rotating the tuning dial while pushing 9 TS also selects the tuning step Tuning step can be set in VFO and memory modes e Push 9 TS or VFO to exit DMHz tuning step...

Page 24: ...ency can be set irrelevant of the se cted band When inputting a frequency outside of the equency range the previously selected equency is automatically selected after in utting 1 kHz digit 1 V D 2 TON...

Page 25: ...encies Push MR to select memory mode Pushing MR in memory mode toggles memory channel and memory bank indi cations To program a memory Ch refer to p 37 DCall TV weather channels Call channels are used...

Page 26: ...lly AM mode is used for the avionics band 108 135 995 MHz and WFM is used for FM broadcast stations 76 107 995 MHz When pushing PTT a beep tone sounds indicating the mode is not FM mode The transceive...

Page 27: ...is tight squelch UTO indicates automatic level adjust ent with a noise pulse count system e Release SQL to return to the previ ous indication Squelch level indication DMonitor function This function i...

Page 28: ...change DIAL and Y Y Z Z functions The functions of tuning dial and Y Z switches can be ex changed if desired Push 1 V D for 1 sec to exchange the functions of the tuning dial and Y Z switches VOL appe...

Page 29: ...e S RF indicator shows the relative signal strength DReceiving amateur bands EXAMPLE Receiving 145 600 MHz q Select VFO mode with VFO w For direct frequency input push 1 4 5 6 0 0 Skip e and t in this...

Page 30: ...LL TV toggles a call TV and weather channel p 77 U S A version only in sequence Rotate DIAL to select the desired TV channel Rotate DIAL while pushing BAND to select all TV channels When a signal is r...

Page 31: ...as non kip channels and others as skip channels Rotate DIAL to select the receivable TV channel Rotate DIAL while pushing BAND to select all TV channels DTV skip channel setting The skip channel setti...

Page 32: ...t mode Attenuator function The attenuator prevents a desired signal from distorting when very strong signals are near the desired frequency or when very strong electric fields such as from a broadcast...

Page 33: ...and 0 for the example below DSelecting output power and transmitting q Push 3 H L for 1 sec to select the output power Rotating the tuning dial while pushing 3 H L also toggles the output power LOW a...

Page 34: ...uirements T appears Refer to p 70 for tone frequency settings r Push and hold PTT to transmit The displayed frequency au tomatically changes to the transmit frequency repeater input frequency If OFF a...

Page 35: ...is out of the amateur band the off band indication OFF appears on the display when PTT is pushed Check the offset frequency or duplex direction in this case p 31 U S A and Korea versions Auto repeate...

Page 36: ...o exit set mode U S A and Korea versions Auto repeater function uses the setting of the offset fre quency Take care the offset frequency p 33 DSetting duplex direction Push 4 DUP for 1 sec to select D...

Page 37: ...ON or OFF sh VFO to exit set mode SPA or SPB appears and the split frequency operation is activated DSplit frequency operation example EXAMPLE VFO A FM 145 240 MHz VFO B FM 145 340 MHz q Push VFO seve...

Page 38: ...SET to select auto repeater set mode t Rotate DIAL to turn the auto repeater function ON DUP ONLY or DUP TONE or OFF U S A version DUP ONLY Activates duplex only DUP TONE Activates duplex and tone OFF...

Page 39: ...ve frequency repeater output frequency t the shift direction of the transmit frequency DUP or P see p 31 for details hile pushing PTT push SQL for 1 to 2 sec to transmit 750 Hz tone burst signal OFF a...

Page 40: ...e phase mode pgs 65 70 Memory bank p 41 Memory name p 39 can skip setting p 48 DDefault memory contents example CHANNEL DESCRIPTION 000 499 Memory channel Mch Regular memory channel Default memory cha...

Page 41: ...channel 001 Push 0 0 and 1 Selecting memory channel 056 Push 0 5 and 6 Selecting memory channel 499 Push 4 9 and 9 CONVENIENT The memory channels 000 099 can be selected with 1 or 2 digits plus MR Sel...

Page 42: ...etc if required e Push MR S MW for 1 sec to indicate memory channels Memory channel indicator and channel readout blinks Do not hold MR S MW for more than 2 sec otherwise the pre viously selected memo...

Page 43: ...y or call channel q Push VFO several times to select VFO A or B to be trans ferred w Push MR to select memory mode e Set the desired memory channel with DIAL Call or scan edge channel contents can be...

Page 44: ...ge and call channels can be pro grammed with an alphanumeric name such as a repeater name club name etc for easy recognition Names can be a maximum of 6 characters see the table at right for avail abl...

Page 45: ...to the desired name lable characters The memory names are automatically programmed into the memory channels DMemory name indication Turn the memory name indication ON and OFF as follows Push 6 M N for...

Page 46: ...memory bank Rotating the tuning dial while pushing BAND also selects the memory bank Select to clear the memory bank information y Rotate the tuning dial to select the desired channel Previously used...

Page 47: ...s selected Memory bank indication Memory channel indication t Push BAND to select memory bank y Rotate DIAL to select memory bank channel Push CALL TV h push selects BANK NAME P CLEAR and S MW in sequ...

Page 48: ...el indicator blinks Do not hold MR S MW for more than 2 sec otherwise the pre viously selected VFO or memory channel will be overwritten Select the memory channel to be cleared with DIAL Scan edges 0A...

Page 49: ...ing a call channel sh CALL TV to select a call channel ushing CALL TV selects a call TV and weather U S A ver on only channel in sequence tate DIAL counterclockwise or clockwise to select a grammed ca...

Page 50: ...range such as re peater output frequencies etc DMemory scans FULL MEMORY SCAN p 48 Repeatedly scans all mem ory channels except skip channels SELECT BAND SCAN p 48 Repeatedly scans memory channels exc...

Page 51: ...rogram scan edges in the same manner as gramming a memory channel p 37 q Select VFO mode with VFO w Push 5 SKIP for 1 sec to toggle the frequency skip func tion ON or OFF P SKIP appears when the frequ...

Page 52: ...kip information or clear the memory channel p 43 Skip channel setting Memory channels can be set to be skipped for memory skip scan In addition memory channels can be set to be skipped for both memory...

Page 53: ...DIAL hile receiving an unwanted signal and scan pauses push 5 KIP for 1 sec to set the received channel as a skip channel sh VFO to stop the scan ll bank scan Bank scan scan repeatedly scans memory ch...

Page 54: ...for memory skip an In addition memory channels can be set to be skipped both memory skip scan and frequency skip scan These e useful to speed up the scan interval p 47 DWhen receiving a signal The sc...

Page 55: ...l to speed up the scan SCAN with MEMORY or CALL CHANNEL WATCH scanning in VFO mode priority watch checks for sig n the selected memory or call channel every 5 sec SCAN with MEMORY SCAN WATCH scanning...

Page 56: ...tate DIAL to select the priority watch ON or priority watch with alert BELL u Push VFO to exit set mode and start the priority watch The transceiver checks the memory channel frequency every 5 sec The...

Page 57: ...ecks for a signal in memory channels every 5 sec q Select VFO mode then set an operating frequency w Select memory mode e Push MODE SCAN for 1 sec to start a memory scan r Push 8 SET for 1 sec to ente...

Page 58: ...equency or memory channels select for watch Push VFO while the display shows the VFO frequency to stop the VFO scan and priority watch DCall channel watch While operating on a VFO frequency priority w...

Page 59: ...y watch item tate DIAL to select the priority watch ON or priority tch with alert BELL sh VFO to exit set mode and start the priority watch sh MODE SCAN for 1 sec to start a VFO scan full an band scan...

Page 60: ...ter set mode w Rotate DIAL until the desired item appears e Push 8 SET to select the set mode item r Rotate DIAL to select a set mode item t Push VFO to exit set mode or push 8 SET then rotate DIAL to...

Page 61: ...A functions p 61 LT Weather Alert p 62 Expanded set mode 1 upper right Expanded set mode 2 lower right EXP1 Expanded set mode 1 STOP B Scan stop beep p 62 STOP L Scan stop LED p 62 LIGHTP Backlighting...

Page 62: ...duplex repeater operation within 0 159 995 MHz range 023 025 026 031 032 036 043 047 051 053 054 065 071 072 073 074 114 115 116 122 125 131 132 134 143 145 152 155 156 162 165 172 174 205 212 223 225...

Page 63: ...signal until it disappears Ro tate the tuning dial to resume manually Priority watch PRIO Activates priority watch or priority watch with alert BELL OFF The priority watch is turned OFF default ON The...

Page 64: ...rned ON OFF The display backlighting is turned OFF Busy LED BUSY The TX RX indicator lights green while receiving a signal or when the squelch is open This indication can be turned OFF to conserve the...

Page 65: ...external DC power urce 10 11 5 V DC r packet operation the power save should be turned F to receive reliable packet data Monitor switch action MONI The monitor switch can be set as a sticky switch Whe...

Page 66: ...dividual DTMF aracters can be set to accommodate operating needs ISPLAY INTERVAL SPEED 100 100 msec 5 0 cps 200 200 msec 2 5 cps 300 300 msec 1 6 cps 500 500 msec 1 0 cps cps characters sec Optional H...

Page 67: ...ault Scan stop LED STOP L Turns the scan stop LED ON or OFF Turn the expanded set mode 1 ON in advance ON The keypad backlighting blinks in green and orange when a scan is stopped OFF The keypad backl...

Page 68: ...urned ON OFF The band edge beep is turned OFF default Auto power ON AP ON Turns the transceiver power ON after 30 min to 24 hrs in 30 min steps Turn the expanded set mode 1 ON in advance When operatin...

Page 69: ...trast CONT ontrast of the LCD can be adjusted from 4 levels he expanded set mode 1 ON in advance w contrast 4 high contrast efault Opening message OPN MSG Turns the opening message ON or OFF Turn the...

Page 70: ...d OFF default Time out timer TOT To prevent accidental prolonged transmission etc the trans ceiver has a time out timer This timer cuts a transmission OFF after 1 3 5 or 10 min of continuous transmiss...

Page 71: ...s the narrow FM devia tion for FM mode Selects the normal FM devia tion for FM mode default Morse code synthesizer MC SYN The transceiver announces the operating frequency or TV channel number in Mors...

Page 72: ...ush DTMF M for 1 sec to enter programming mode Previously programmed DTMF code is cleared r Push the desired keys to input the characters VFO inputs A MR inputs B CALL TV inputs C BAND inputs D inputs...

Page 73: ...esired DTMF memory chan sh VFO to exit DTMF memory hile pushing PTT push SQL to transmit the selected MF code DTransmitting a DTMF code directly DTMF code can be transmitted via keypad directly while...

Page 74: ...PTT to exit programming mode Confirming a DTMF memory The DTMF memory can be confirmed with a DTMF tone q Push DTMF M for 1 sec to enter DTMF memory mode w Rotate DIAL to select the desired DTMF memor...

Page 75: ...u away from the transceiver The code is used for DTCS squelch eep DSetting subaudible tones for repeater or tone squelch q Push 8 SET for 1 sec to enter set mode w Rotate DIAL until R TONE re peater t...

Page 76: ...h manually push and hold SQL Pocket beep function q Set the desired operating frequency w Set the desired CTCSS tone or DTCS code e Push 2 TONE for 1 sec one or more times to activate the pocket beep...

Page 77: ...beep 82 5 85 4 88 5 91 5 94 8 97 4 100 0 103 5 107 2 110 9 114 8 118 8 123 0 127 3 131 8 136 5 141 3 146 2 151 4 156 7 159 8 162 2 165 5 167 9 171 3 173 8 177 3 179 9 183 5 186 2 189 9 192 8 196 6 199...

Page 78: ...L When the tone frequency or DTCS code is decoded the set mode contents are programmed with the frequency or code The tone scan pauses approx 10 sec when a tone frequency or DTCS code is detected The...

Page 79: ...t mode p 60 Lock function The lock function prevents accidental frequency changes and accidental function access Push CALL TV LOCK for 1 sec to toggle the lock function ON and OFF PWR VOL SQL and PTT...

Page 80: ...e Morse code synthesizer ON or OFF Power save The power save function reduces the current drain to con serve battery power The power save duty cycle the ratio of receive circuit on to receive circuit...

Page 81: ...eiver can be set to automatically turn OFF after a specified period with a beep when no switch is pushed 120 min 90 min 60 min 30 min and OFF can be speci fied The specified period is retained even wh...

Page 82: ...sec for the announcement When the alert sig nal is detected the AL T and the WX channel are displayed alternately and sounds a beep tone until the transceiver is operated The previously selected used...

Page 83: ...ther alert ON frequency the receiving signal or dio will be interrupted momentarily every 5 sec approx he case that the alert function is turned ON This symp m is caused by the WX alert function To ca...

Page 84: ...The optional CS T90A CLONING SOFTWARE and the optional OPC 478 CLONING CABLE are available to clone and edit contents with a PC for Microsoft Windows 95 98 ME Microsoft and Windows are registered tra...

Page 85: ...contents to default settings tial reset want to initialize the operating tions VFO frequency VFO set set mode contents without clear he memory contents a partial ing function is available for the eiv...

Page 86: ...ugging the HM 75A in the SP MIC jacks NORM 1 default A Selects band B Toggles VFO and memory Y UP Z DOWN NORM 2 A Toggles monitor function B Toggles VFO and memory Y UP Z DOWN SIMPLE A Toggles monitor...

Page 87: ...ones are turned OFF or the beep tone level is low Turn beep tones ON or set the beep tone level to appropriate level in set mode pgs 58 59 tact possible with r station Different tone is selected with...

Page 88: ...9 75 49 681 25 685 75 CH Video Audio 50 687 25 691 75 51 693 25 697 75 52 699 25 703 75 53 705 25 709 75 54 711 25 715 75 55 717 25 721 75 56 723 25 727 75 57 729 25 733 75 58 735 25 739 75 59 741 25...

Page 89: ...75 31 548 25 553 75 32 555 25 560 75 33 562 25 567 75 34 569 25 574 75 35 576 25 581 75 36 583 25 588 75 37 590 25 595 75 38 597 25 602 75 New Zealand channels CH Video Audio 1 45 25 50 75 2 55 25 60...

Page 90: ...5 56 855 25 861 75 57 863 25 869 75 58 871 25 877 75 59 879 25 885 75 60 887 25 893 75 61 895 25 901 75 62 903 25 909 75 63 911 25 917 75 64 919 25 925 75 65 927 25 933 75 66 935 25 941 75 67 943 25 9...

Page 91: ...75 29 535 25 540 75 30 543 25 548 75 31 551 25 556 75 32 559 25 564 75 33 567 25 572 75 34 575 25 580 75 35 583 25 588 75 36 591 25 596 75 37 599 25 604 75 CH Video Audio 38 607 25 612 75 39 615 25 62...

Page 92: ...ed battery pack Current drain at 8 0 V DC Tx High 50 MHz 2 0 A typical 144 430 MHz 2 0 A typical Tx Low 50 144 MHz 0 8 A typical 430 MHz 1 2 A typical Rx rated audio 220 mA typical standby 100 mA typi...

Page 93: ...495 4 995 MHz 1 3 V 10 dB S N 5 000 29 995 MHz 0 56 V 118 000 136 000 MHz 0 5 V 222 000 229 995 MHz 0 79 V 320 000 329 995 MHz 1 V Selectivity except WFM Less than 15 kHz 9 dB More than 30 kHz 60 dB...

Page 94: ...operating time in 50MHz band with high power Tx Rx Standby 1 1 8 HM 54 SPEAKER MICRO PHONE Slim dimensions Equipped with an earphone jack and a transmit indicator HM 75A REMOTE CONTROL MICROPHONE All...

Page 95: ...ver via a DC power source 11 5 16 V DC 90A CLONING SOFTWARE OPC 478 CLONING E Allows you to transfer data from memories etc and quickly and easily edit and store data via a PC for Microsoft Windows 95...

Page 96: ...Blank page...

Page 97: ...h 8 SET momentarily then rotate DIAL to change the setting r Push 8 SET momentarily to return to the condition of step w t Push VFO to exit the SET mode CPU reset operation ALL reset q Turn power OFF...

Page 98: ...e Push and hold MR S MW for 1 sec to indicate memory channels r Rotate DIAL to select MR CH 2 t Push and hold MR S MW for 1 sec VFO mode is selected after programming MEMORY channel clearing q Select...

Page 99: ......

Page 100: ...on us 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan EX apan m Inc...

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