IC-T90A-1.qxd 02.7.24 03:36 PM Page a (1,1) INSTRUCTION MANUAL MULTIBAND FM TRANSCEIVER iT90A This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. WARNING: MODIFICATION OF THIS DEVICE TO RECEIVE CELLULAR RADIO TELEPHONE SERVICE SIGNALS IS PROHIBITED UNDER FCC RULES AND FEDERAL LAW.
IC-T90A-1.qxd 02.7.24 03:36 PM Page b (1,1) FOREWORD i Thank you for purchasing this Icom product. The IC-T90A MULTIBAND TRANSCEIVER is designed and built with Icom’s superior technology and craftsmanship. With proper care, this product should provide you with years of troublefree operation. The IC-T90A is a tri-band, 50 MHz, 144 MHz, 430 (440) MHz FM transceiver that offers a wide-band AM, FM and WFM scanning receiver.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 1 (1,1) IMPORTANT SUPPLIED ACCESSORIES READ ALL INSTRUCTIONS carefully and completely Accessories included with the transceiver: Qty. q Li-Ion battery pack (BP-217) .......................................... 1 w Wall charger* (BC-110AR/D/DR) .................................... 1 e MB-83 swivel belt clip .............................................. 1 set r Handstrap........................................................................
IC-T90A-1.qxd 02.7.24 03:36 PM Page 2 (1,1) CAUTIONS WARNING RF EXPOSURE! This device emits Radio Frequency (RF) energy. Extreme caution should be observed when operating this device.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 3 (1,1) q TABLE OF CONTENTS FOREWORD ............................................. i IMPORTANT ............................................. ii EXPLICIT DEFINITIONS .......................... ii SUPPLIED ACCESSORIES ..................... ii CAUTIONS ............................................... iii TABLE OF CONTENTS ........................... iv q QUICK REFERENCE GUIDE ........ 1 – 6 w PANEL DESCRIPTION ................ 7 – 12 ■ Panel description .................
IC-T90A-1.qxd 1 02.7.24 03:36 PM Page 4 (1,1) QUICK REFERENCE GUIDE ■ Installing the battery pack ■ Accessory attachment q Open the latch. Then, attach the BP-217 Li-Ion battery pack or BP-216 optional battery case. D Attaching the swivel belt clip • Be sure to observe the correct direction. • Charge Li-Ion battery pack before use. w Lock the latch. Battery pack or battery case q The supplied swivel belt clip is useful for easy attaching/ detaching the transceiver to/from the belt.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 5 (1,1) QUICK REFERENCE GUIDE 1 CAUTION! HOLD THE TRANSCEIVER TIGHTLY, WHEN ATTACHING OR REMOVING THE TRANSCEIVER TO/FROM THE BELT CLIP. If the transceiver accidentally dropped and the swivel belt clip’s stopper is scratched, the swivel belt clip may not work properly. • Once the transceiver is locked in place, it will swivel 360 degrees as shown at right. QUICK REFERENCE GUIDE q e Insert the transceiver into the end of the clip as shown at right.
IC-T90A-1.qxd 1 02.7.24 03:36 PM Page 6 (1,1) QUICK REFERENCE GUIDE D Attaching the antenna CAUTION! Insert the supplied wide band antenna into the antenna connector and screw down the antenna as shown below. TRANSMITTING WITHOUT AN ANTENNA MAY DAMAGE THE TRANSCEIVER. • 50 MHz band adapter Attach the 50 MHz band antenna adapter before operating on or receiving the signal below the 50 MHz band. Be sure to use this 50 MHz band adapter during operation below the 50 MHz band.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 7 (1,1) QUICK REFERENCE GUIDE 1 ■ Charging the Li-Ion battery pack D Charging with the wall charger IC-T90A with BP-217 to DC power jack BC-110AR/D/DR to AC outlet CP-19R (optional) to a 12 V cigarette lighter socket to DC power jack q Push and hold [PWR] to turn the transceiver power OFF. w Insert the charger plug into the DC power jack of the transceiver. e Plug the charger into an AC wall outlet.
IC-T90A-1.qxd 1 02.7.24 03:36 PM Page 8 (1,1) QUICK REFERENCE GUIDE ■ Rapid charging ■ External power operation The optional BC-139 provides rapid charging of the battery pack. An optional CP-19R cigarette lighter cable can be used for external power operation from a 12 V DC cigarette lighter socket. CAUTION: To avoid damage to the transceiver, turn the transceiver OFF while charging. to DC power jack • Charging period: 2.5 hours (w/BP-217) BP-217 Li-Ion battery pack Turn power OFF.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 9 (1,1) QUICK REFERENCE GUIDE 1 ■ Your first contact Now that you have your IC-T90A ready to operate, you are probably excited to get on the air. We would like to take you through a few basic operation steps to make your first “On The Air” an enjoyable experience. r [DIAL] [PTT] yu [Mic] [UP/DOWN] e [BAND] w [PWR] q DFirst contact q Push and hold [PWR] for 1 sec. to turn the transceiver power ON.
IC-T90A-1.qxd 2 02.7.24 03:36 PM Page 10 (1,1) PANEL DESCRIPTION ■ Panel description q POWER SWITCH [PWR] Push for 1 sec. to turn the transceiver power ON and OFF. i o u Function display y t r !0 Microphone e Speaker !1 !2 !3 !4 w q !5 Keypad !6–@5 7 w BAND SWITCH [BAND] ➥ Push to select the operating band (5 MHz, Air, VHF, UHF, etc.). (p. 21) ➥ Push to select the memory bank or push to proceed the memory name cursor while programming the memory option. (pgs. 39, 41) ➥ Push for 1 sec.
02.7.24 03:36 PM Page 11 (1,1) PANEL DESCRIPTION y PTT SWITCH [PTT] ➥ Push and hold to transmit in 50/144/430 (440) MHz amateur bands; release to receive. (p. 28) • When WFM or AM mode is selected, transmission is impossible. u ANTENNA CONNECTOR (p. 3) Connects the supplied antenna. i EXTERNAL SPEAKER AND MICROPHONE JACKS [SP/MIC] Connects an optional speaker-microphone or headset, if desired. The internal microphone and speaker will not function when any external equipment is connected. (See pgs.
IC-T90A-1.qxd 2 02.7.24 03:36 PM Page 12 (1,1) PANEL DESCRIPTION ➥ While pushing [PTT], this key sends a DTMF “B”. !4 CALL/LOCK SWITCH [CALL/TV LOCK] ➥ Toggles between call channel, TV channel, C CALL/TV weather channel (U.S.A. version only) and LOCK VFO mode in sequence. (p. 20) ➥ Push for 1 sec. to toggle the lock function ON and OFF. (p. 74) • “é” appears while the key lock function is in use. ➥ While pushing [PTT], this key sends the DTMF code “C”. !5 DTMF MEMORY SWITCH [• DTMF.
02.7.24 03:36 PM Page 13 (1,1) PANEL DESCRIPTION @0 FREQUENCY SKIP SWITCH [5 SKIP] ➥ Push for 1 sec. to turn the frequency skip func5 tion ON and OFF in VFO mode. (p. 47) SKIP • “P SKIP” appears when the frequency skip function is in use. ➥ Push for 1 sec. to set the memory channel as the following skip channel in memory mode in order. (p. 48) • Skip channel — “SKIP” appears. • Frequency skip channel — “P SKIP” appears. • Non-skip channel — no skip indicator appears. ➥ Push for 1 sec.
IC-T90A-1.qxd 2 02.7.24 03:36 PM Page 14 (1,1) PANEL DESCRIPTION ■ Function display w e r t y u i o q !0 !5 !4 !3 !2 q FREQUENCY READOUT Shows the operating frequency, set mode contents, etc. • The smaller “75,” “50” and “25” to the right of the readout indicate 0.75, 0.5 and 0.25 kHz, respectively. • The decimal point of the frequency blinks during scan. w LOCK INDICATOR (p. 74) Indicates that the lock function is in use. 11 !1 e RECEIVE MODE INDICATORS (p. 21) Shows the receive mode.
02.7.24 03:36 PM Page 15 (1,1) PANEL DESCRIPTION t TONE INDICATORS (p. 70) ➥ Appears when the following tone functions are activated. • 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 beep — “SDTCS” appears. (p. 71) ➥ “S” blinks when the correct tone or code is received during pocket/DTCS beep operation. (p. 71) 2 !0 MEMORY CHANNEL NUMBER READOUT (p.
IC-T90A-1.qxd 3 02.7.24 03:36 PM Page 16 (1,1) BATTERY CHARGING ■ Battery attachment ■ Battery cautions q Attach the Li-Ion battery pack (BP-217) or battery case (BP-216). NEVER incinerate used battery packs. Internal battery gas may cause an explosion. • Be sure to observe the correct direction. • Charge Li-Ion battery pack before use. NEVER immerse the battery pack in water. If the battery pack becomes wet, be sure to wipe it dry BEFORE attaching it to the transceiver. w Lock the latch.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 17 (1,1) BATTERY CHARGING 3 ■ Regular charging CAUTION: To avoid damage to the transceiver, turn the transceiver OFF while charging. • Recommended temperature range for charging: +32°F to +95°F; 0°C to +35°C • Use the wall charger* (BC-110AR/D/DR) only. NEVER use another manufactures’ charger. q Attach the battery pack to the transceiver. w Be sure to turn the transceiver power OFF. e Connect the AC adapter* (BC-110AR/D/DR) as shown below.
IC-T90A-1.qxd 3 02.7.24 03:36 PM Page 18 (1,1) BATTERY CHARGING ■ Rapid charging BP-217 Li-Ion battery pack The optional BC-139 provides rapid charging of the battery pack. • Charging period: 2.5 hours (w/BP-217) Turn power OFF. CAUTION: To avoid damage to the transceiver, turn it OFF while charging. • Recommended temperature range for charging: +32°F to +95°F; 0°C to +35°C • NEVER connect 2 chargers to the [AC ADAPTER] and [DC13.5V] jacks of the BC-139.
02.7.24 03:36 PM Page 19 (1,1) BATTERY CHARGING ■ Battery case (Option) ■ External power operation An optional cable CP-19R (for 12 V cigarette lighter socket) can be used for external power operation. q Install 2 R6 (AA) size alkaline batteries into the optional BP-216 BATTERY CASE. . • Power supply range is between 5.5–11.0 V DC. NEVER CONNECT OVER 11.5 V DC directly into the DC power jack of the transceiver. • Be sure to observe the correct polarity.
IC-T90A-1.qxd 4 02.7.24 03:36 PM Page 20 (1,1) BASIC OPERATION ■ Turning power ON D Setting volume level The audio level can be adjusted through 32 levels. ➥ Push [Y] or [Z] to set the desired audio level. D Turning power ON q Make sure alkaline batteries are installed in the battery case or the battery pack is charged, and attach them. (p. 13) w Push [PWR] for 1 sec. to turn the power ON. • Rotating the tuning dial while pushing [Y] or [Z] also sets the audio level.
02.7.24 03:36 PM Page 21 (1,1) BASIC OPERATION ■ Tuning step When using the tuning dial to change the frequency, or when a scan function is activated, the frequency changes in increments determined by the set tuning step. Tuning steps can be selected for each band. This transceiver has 13 tuning steps as follows: • 5 kHz • 6.25 kHz • 8.33 kHz • 9 kHz • 10 kHz • 12.
IC-T90A-1.qxd 4 02.7.24 03:36 PM Page 22 (1,1) BASIC OPERATION ■ Setting a frequency Push numeral keys and [•] to input the desired frequency. • Frequency can be set irrelevant of the selected band. • When inputting a frequency outside of the frequency range, the previously selected frequency is automatically selected after inputting 1 kHz digit. D Setting the frequency with keypad q Select VFO mode with [VFO]. w Push the desired numeral buttons until inputting 1 kHz digit to set the frequency.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 23 (1,1) BASIC OPERATION 4 ■ Mode selection D Memory mode D Call/TV/weather channels VFO mode is used for setting a desired frequency within the band range. ➥ Push [VFO] to select VFO mode. Memory mode is used for operation of memory channels which have programmed frequencies. ➥ Push [MR] to select memory mode. Call channels are used for most-oftenused frequencies for quick recall. TV and weather (U.S.A. version only) channels can be selected with [CALL/TV].
IC-T90A-1.qxd 4 02.7.24 03:36 PM Page 24 (1,1) BASIC OPERATION ■ Operating band and receive mode selection D Selecting the operating band The transceiver can receive the BC (broadcast) bands, 5 MHz band, 50 MHz band, FM broadcast band, Air band, VHF (144 MHz) band, 220 MHz band, 300 MHz band, UHF (430MHz) band or 800 MHz band. * Frequency coverage depends on versions. BC (broadcast) bands AM • Rotating the tuning dial while pushing [BAND] also selects the operating band.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 25 (1,1) BASIC OPERATION 4 ■ Setting the squelch level e Release [SQL] to return to the previous indication. [Squelch level indication] D Monitor function This function is used to listen to weak signals or to open the tone squelch manually. ➥ Push and hold [SQL] to monitor the operating frequency. D Setting the squelch level q While pushing and holding [SQL], rotate [DIAL] one-click to display the current squelch level.
IC-T90A-1.qxd 4 02.7.24 03:36 PM Page 26 (1,1) BASIC OPERATION ■ Receiving Y]/[Z Z] functions D Exchange [DIAL] and [Y The functions of tuning dial and [Y]/[Z] switches can be exchanged, if desired. D Setting volume level ➥ Push [Y] or [Z] to set the desired audio level. • Rotating the tuning dial while pushing [Y] or [Z] also sets the audio level. ➥ Push [1 V↔D] for 1 sec. to exchange the functions of the tuning dial and [Y]/[Z] switches. • “VOL” appears when the functions are exchanged.
02.7.24 03:36 PM Page 27 (1,1) BASIC OPERATION 4 D Receiving FM broadcast D Receiving amateur bands [EXAMPLE]: Receiving 88.200 MHz. [EXAMPLE]: Receiving 145.600 MHz. q Select VFO mode with [VFO]. w For direct frequency input, push [8], [8], [•], [2], [0], [0]. q Select VFO mode with [VFO]. w For direct frequency input, push [1], [4], [5], [•], [6], [0], [0]. • Skip e and t in this case. • Skip e and t in this case. e Push [BAND] several times to select the FM broadcast band.
IC-T90A-1.qxd 4 02.7.24 03:36 PM Page 28 (1,1) BASIC OPERATION D Receiving TV channels Available TV channels depends on the version. Refer to the TV frequency table (p. 83) for details. Some channels are set as skip channels. Refer to the skip channel setting (p. 26) for details. TV channel frequency and skip setting can be re-programmed via the CS-T90A cloning software, ask your dealer for details. [DIAL] q Select TV mode with [CALL/TV].
IC-T90A-1.qxd 02.7.24 03:36 PM Page 29 (1,1) BASIC OPERATION D TV skip scan D TV skip channel setting The transceiver automatically programs the receivable TV channels as non-skip channels and others as skip channels. The skip channel setting can be set manually. 4 q Select TV mode with [CALL/TV]. • Pushing [CALL/TV] selects a call, TV and weather channel (U.S.A. version only) in sequence. w Push [MODE SCAN] for 1 sec. to start TV skip scan. • The transceiver automatically scans all TV channels.
IC-T90A-1.qxd 4 02.7.24 03:36 PM Page 30 (1,1) BASIC OPERATION ■ RIT function ■ Attenuator function To compensate for the off frequency of a transmitting station, the transceiver has receive incremental tuning for receiving frequencies above 630.000 MHz. The RIT function cannot be used in TV mode and is automatically cancelled below 630.000 MHz.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 31 (1,1) BASIC OPERATION 4 ■ Transmitting CAUTION: Transmitting without D Operating band and frequency setting an antenna may damage the transceiver. q Select VFO mode with [VFO]. w Push [BAND] several times to select the desired amateur band. Make sure a charged battery pack or alkaline batteries are installed. (p. 1) • Rotating the tuning dial while pushing [BAND] also selects the operating band.
IC-T90A-1.qxd 4 02.7.24 03:36 PM Page 32 (1,1) BASIC OPERATION ■ Repeater operation When using a repeater, the transmit frequency is shifted from the receive frequency by the offset frequency. (p. 31) It is convenient to program repeater information into memory channels. (p. 37) Repeater 434.340 MHz 434.340 MHz 439.340 MHz 439.340 MHz Uplink (transmitting freq.) Downlink (receiving freq.) r Push and hold [PTT] to transmit.
02.7.24 03:36 PM Page 33 (1,1) BASIC OPERATION 4 D Checking the repeater input signal D Off band indication The transceiver can check whether the other station’s transmit signal can be received directly or not. If the transmit frequency 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.
IC-T90A-1.qxd 4 02.7.24 03:36 PM Page 34 (1,1) BASIC OPERATION ■ Duplex operation D Setting offset frequency When communicating through a repeater, the transmit frequency is shifted from the receive frequency by an amount determined by the offset frequency. q Select VFO mode or desired memory channel to be programmed. w Push [8 SET] for 1 sec. to enter set mode. e Rotate [DIAL] until “OFFSET” appears. r Push [8 SET] again to select offset frequency. t Rotate [DIAL] to set the desired offset frequency.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 35 (1,1) BASIC OPERATION 4 ■ Split operation D Setting split frequency operation q Push [8 SET] for 1 sec. to enter set mode. w Rotate [DIAL] until “EXP2” appears. e Push [8 SET] to select expanded set mode 2. r Rotate [DIAL] to turn the expanded set mode 2 ON. t Push [8 SET] to exit expanded set mode 2. y Rotate [DIAL] until “SPLIT” appears. u Push [8 SET] to select split function. i Rotate [DIAL] to select split function ON or OFF.
IC-T90A-1.qxd 4 02.7.24 03:36 PM Page 36 (1,1) BASIC OPERATION ■ Auto repeater function (U.S.A. and Korea versions only) The U.S.A. and Korea versions automatically activate the repeater settings (duplex ON/OFF, duplex direction, tone encoder ON/OFF) when the operating frequency falls within or outside of the general repeater output frequency range. The offset and repeater tone frequencies are not changed by the auto repeater function, reset these frequencies, if necessary.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 37 (1,1) BASIC OPERATION 4 ■ 1750 Hz tone • This tone can be use as a ‘Call signal’ in countries out of Europe. q Push [• DTMF.M] for 1 sec. to select DTMF memory. w Rotate [DIAL] counter-clockwise until “T-CALL” appears. u Push and hold [PTT] to transmit. i Release [PTT] to receive. o Push and hold [SQL] to check whether the other station’s transmit signal can be received directly or not.
IC-T90A-1.qxd 5 02.7.24 03:36 PM Page 38 (1,1) MEMORY/CALL CHANNELS ■ General The transceiver has 500 memory channels, 50 scan edge channels and 5 call channels for storage of often-used frequencies. Memory channels can be named with 6 characters and assigned to 18 banks. D Default memory contents example CHANNEL • Regular memory channel • Default memory channel example 000–499 (Memory channel; Mch) Mch 000 Mch 001 Mch 002 151.000 MHz 145.000 MHz 430.000 MHz *Mch 003–499 are blank channels.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 39 (1,1) MEMORY/CALL CHANNELS 5 ■ Calling up memory channels • Blank channels cannot be selected via [DIAL]. • Blank channels can be selected via keypad. • Previously selected channels appear when the wrong memory channel number is entered. D Selecting with tuning dial q Push [MR] to select memory mode. w Rotate [DIAL] to select the desired memory channel.
IC-T90A-1.qxd 5 02.7.24 03:36 PM Page 40 (1,1) MEMORY/CALL CHANNELS ■ Programming memory channels Program the desired frequency into a memory channel, call channel or scan edge channel as follows. D Programming a memory channel The memory channels are shared with all bands. Memory channels 003–499 are blank (non-programmed) channels as a factory setting. q Select VFO mode with [VFO]. w Set the desired frequency: ➥ Select the desired band with [BAND]. ➥ Set the frequency using [DIAL].
02.7.24 03:36 PM Page 41 (1,1) MEMORY/CALL CHANNELS 5 ■ Transferring memory contents to VFO D Auto memory channel increment While programming a memory channel, the next memory channel can be selected automatically. This is convenient when programming memory channels one after another. This is convenient when operating around a memory or call channel. ➥ Keep pushing [MR S.MW] for 2 sec. or more, at step t of the left section, to select the next memory channel automatically.
IC-T90A-1.qxd 5 02.7.24 03:36 PM Page 42 (1,1) MEMORY/CALL CHANNELS ■ Copying memory contents ■ Memory names This is convenient when programming memory contents into a scan edge channel or call channel. Each memory, scan edge and call channels can be programmed 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 available characters.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 43 (1,1) MEMORY/CALL CHANNELS t Rotate the tuning dial to select the desired character. • See the following list for available characters. 5 The memory names are automatically programmed into the memory channels. y Push [BAND] to advance the cursor. D Memory name indication Turn the memory name indication ON and OFF as follows. ➥ Push [6 M.N] for 1 sec. to toggle the memory name indication ON and OFF. u Repeat t and y until the desired name is input.
IC-T90A-1.qxd 5 02.7.24 03:36 PM Page 44 (1,1) MEMORY/CALL CHANNELS ■ Memory bank The transceiver has 500 memory channels that can be assigned to 18 banks for faster memory access, memory arrangement, etc. Memory banks are used for arrangement of a memory channel. When you edit the original memory channel contents, the memory bank contents are updated automatically. Each bank (A–H, J, L, N–R, T, U and Y) can be assigned up to 100 memory channels.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 45 (1,1) MEMORY/CALL CHANNELS Release [CALL/TV]. VFO mode FM 5 P SKIP [DIAL] q Push [MR] to select memory mode. w Select Mch with [DIAL]. FM [BAND] [MR S.MW] [CALL/TV] Memory bank and channel. e Push [MR S.MW] for 1 sec. to indicate Mch. FM Memory channel indicator flashes. r Push [CALL/TV]. Selected memory channel. u Push [VFO]. FM Memory bank is programmed and memory mode is selected. ➥ Push [BAND] to select the memory bank in sequence.
IC-T90A-1.qxd 5 02.7.24 03:36 PM Page 46 (1,1) MEMORY/CALL CHANNELS ■ Memory clear Unwanted memory channels can be cleared (erased). Before clearing a memory channel make sure it is no longer needed as cleared memories cannot be recalled. Scan edges (0A/0B) cannot be cleared. r Push [MR S.MW] for 1 sec. to clear the selected memory channel. • 3 beeps sound, then the frequency is cleared. q Push [MR S.MW] for 1 sec. to indicate a memory channel. • Memory channel indicator blinks. • Do not hold [MR S.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 47 (1,1) MEMORY/CALL CHANNELS 5 ■ Call channel • Call channel example (depends on version) 50MHz band call channel FM The call channels can be programmed in a similar manner to memory channel programming. ➥ Select C0–C4 for programming call channels 0–4 in step r in “Programming memory channels.” (p. 37) UHF band call channel FM t VHF band call channel FM D Selecting a call channel q Push [CALL/TV] to select a call channel.
IC-T90A-1.qxd 02.7.24 03:36 PM 6 Page 48 (1,1) SCAN OPERATION ■ Scan types Up to 25 programmed scan ranges (0A/0B to 24A/24B), full memory scan, select band scan and memory bank scan provide scanning versatility. Each scan can have skip channels programmed. D VFO scans D Memory scans FULL SCAN (p. 46) FULL MEMORY SCAN (p. 48) Lower edge Upper edge P SKIP Scan P SKIP Jump Repeatedly scans all frequencies over the entire receive range.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 49 (1,1) SCAN OPERATION ■ VFO scan 6 The following scans are available for the VFO scan. q Select VFO mode with [VFO]. w Push [5 SKIP] for 1 sec. to toggle the frequency skip function ON or OFF. FULL SCAN Repeatedly scans all frequencies over the entire receive range. e Set the squelch level, if desired. r While pushing [MODE SCAN], rotate [DIAL] to select the desired scan range. • “P SKIP” appears when the frequency skip function is turned ON.
IC-T90A-1.qxd 6 02.7.24 03:36 PM Page 50 (1,1) SCAN OPERATION ■ Frequency skip function ■ Skip channel setting Unwanted frequencies can be skipped and programmed as skip channels when full scan, band scan or programmed scan is pausing. 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 skip scan and frequency skip scan. These are useful to speed up the scan interval. q Start a VFO scan. (p.
02.7.24 03:36 PM Page 51 (1,1) SCAN OPERATION ■ Memory scan Memory scan repeatedly scans all memory channels except skip channels. There are 3 types of memory scan, select band scan, full bank scan and bank scan are available. D Full memory scan/Select band scan q Push [MR] to enter memory mode. w While pushing and holding [MODE SCAN], rotate [DIAL] to select from scan-guidance, [ALL], [SEL BC], [SEL 5], [SEL 50], [SEL WFM], [SEL AIR], [SEL 144], [ SEL 220], [SEL 300], [SEL 440] or [SEL 800].
IC-T90A-1.qxd 6 02.7.24 03:36 PM Page 52 (1,1) SCAN OPERATION ■ Scan notes D Squelch setting D When receiving a signal Scanning stops when the squelch opens. Make sure the squelch is set to the threshold point or desired squelch level. ➥ Rotate the tuning dial while pushing [SQL] to select automatic squelch (AUTO) or a level (1–9) where the noise is muted. (p. 22) The scan pauses according to the scan pause time (default: 10 sec.). It can be selected as a pause or timer scan (2–20 sec.) in set mode.
02.7.24 03:36 PM Page 53 (1,1) PRIORITY WATCH ■ Priority watch types Priority watch checks for signals on a frequency every 5 sec. while operating on a VFO frequency or scan. The transceiver has 6 priority watch types to suit your needs. The watch resumes according to the selected scan resume condition. See p. 58 for details. MEMORY or CALL CHANNEL WATCH While operating on a VFO frequency, priority watch checks for a signal in the selected memory or call channel every 5 sec.
IC-T90A-1.qxd 7 02.7.24 03:36 PM Page 54 (1,1) PRIORITY WATCH ■ Priority watch operation u Push [VFO] to exit set mode and start the priority watch. D Memory channel watch While operating on a VFO frequency, priority watch checks for a signal in the selected memory channel every 5 sec. • A memory channel with skip information can be watched. q Select VFO mode; then, set an operating frequency. w Select the desired memory channel. e Push [8 SET] for 1 sec. to enter set mode.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 55 (1,1) PRIORITY WATCH 7 D VFO scan with memory channel watch D Memory scan watch While scanning in VFO mode, priority watch checks for signals in the selected memory channel every 5 sec. While operating on a VFO frequency, priority watch checks for a signal in memory channels every 5 sec. • A memory channel with skip information can be watched. 433.500 FM P SKIP PRIO 5 sec. CH-200 u CH-002 145.140 PRIO 5 sec. Watches Mch while VFO scanning.
IC-T90A-1.qxd 7 02.7.24 03:36 PM Page 56 (1,1) PRIORITY WATCH D VFO scan with memory scan watch D Call channel watch While scanning in VFO mode, priority watch checks for signals in memory channels every 5 sec. While operating on a VFO frequency, priority watch checks for a signal in the selected call channel every 5 sec. q Select memory mode. w Push [MODE SCAN] for 1 sec. to start a memory scan. q Select VFO mode; then, set an operating frequency. w Push [CALL/TV] to select call channel mode.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 57 (1,1) PRIORITY WATCH 7 D VFO scan with call channel watch While scanning in VFO mode, priority watch checks for signals in the selected call channel every 5 sec. 51.000 850.000 433.500 145.100 VFO scan Call channel u PRIORITY WATCH q Select VFO mode. w Push [CALL/TV] to select call channel mode. e Rotate [DIAL] to select the desired call channel. r Push [8 SET] for 1 sec. to enter set mode. t Rotate [DIAL] until “PRIO” appears.
IC-T90A-1.qxd 8 02.7.24 03:36 PM Page 58 (1,1) SET MODE ■ Set mode Set mode is used for programming infrequently changed values or conditions of functions. In addition, this transceiver has 2 expanded set modes which are used for programming even more infrequently changed values or conditions of functions. When turning the expanded set modes OFF, only half of the set mode items are displayed for simple operation.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 59 (1,1) SET MODE 8 ■ Set mode items Set mode is used for programming infrequently changed values or conditions of functions. EXP1 (Expanded set mode 1) R TONE C TONE CODE OFFSET RESUME PAUSE PRIO BEEP LV BEEP LIGHT BUSY AP OFF P SAVE MONI SPEED AUTORP DTMF MIC WX ALT EXP1 EXP2 Repeater tone (p. 57) Tone squelch/pocket beep frequency (p. 57) DTCS squelch code (p. 57) Offset frequency (p. 57) Scan resume time (p. 58) Scan pause timer (p. 58) Priority watch (p.
IC-T90A-1.qxd 8 02.7.24 03:36 PM Page 60 (1,1) SET MODE • Repeater tone (R TONE) Selects the tone encoder frequency for accessing a repeater, etc. from one of 50 available tone frequencies. • 67.0–254.1 Hz (50 tones): 88.5 Hz (default) •Tone squelch/pocket beep frequency (C TONE) Selects the tone squelch or pocket beep frequency from one of 50 available tone frequencies. • 67.0–254.1 Hz (50 tones): 88.
02.7.24 03:36 PM Page 61 (1,1) SET MODE • Scan resume time (RESUME) Selects the scan resume time of a paused frequency after the received signal disappears. Scan resumes when a received signal disappears. • 1–5 Scan pauses 1–5 sec. after a received signal disappears. (default: 2 sec.) • Hold Scan pauses on a received signal even if it disappears. Rotate the tuning dial to resume manually. • Priority watch • OFF • ON • BELL (PAUSE) Selects the scan pause time.
IC-T90A-1.qxd 8 02.7.24 03:36 PM Page 62 (1,1) SET MODE • Beep tone (BEEP) Turns the confirmation beep ON or OFF. The confirmation beep is turned ON. (default) • OFF The confirmation beep is turned OFF. • ON The indicator lights green while receiving a signal or when the squelch is open. (default) • OFF The indicator does not function even if a signal is received. (LIGHT) The transceiver has display backlighting with a 5 sec. timer for nighttime operation.
02.7.24 03:36 PM Page 63 (1,1) SET MODE • Power save (P SAVE) The power save function reduces the current drain to conserve battery power. This item sets the power save duty cycle—the ratio of receive circuit on to receive circuit off while standing by. The duty cycle can be set to automatic (default), 1:1, 1:4, 1:8, 1:16 or OFF. “AUTO” selects “1:4” duty ratio when receiving no signal for 5 sec., then “1:8” 60 sec. after that.
IC-T90A-1.qxd 8 02.7.24 03:36 PM Page 64 (1,1) SET MODE • Auto repeater (AUTO RP) The auto repeater function automatically turns ON or OFF the duplex operation with specified shift direction and tone encoder, when the operating frequency falls within or outside of the general repeater output frequency range. U.S.A. version: • ONLY Activates duplex only. (default) • TONE Activates duplex and tone. • OFF Deactivates the function. Korea version: • ON Activates duplex and tone.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 65 (1,1) SET MODE • Weather Alert (WX ALT) • Scan stop LED (USA version only) Turns the weather alert function ON or OFF. Turns the scan stop LED ON or OFF. • ON • ON 8 (STOP L) • Turn the expanded set mode 1 ON in advance. The keypad backlighting blinks in green and orange when a scan is stopped. • OFF The keypad backlighting does not blink even when a scan is stopped. (default) The WX alert beep sounds when an alert signal is received.
IC-T90A-1.qxd 8 02.7.24 03:36 PM Page 66 (1,1) SET MODE • Backlighting color (COLOR) Selects the backlighting color between green, orange or red. • Turn the expanded set mode 1 ON in advance. • 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. • GREEN Green backlighting color. (default) • ORANGE Orange backlighting color. • RED Red backlighting color.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 67 (1,1) SET MODE • PTT lock (PTT LK) • Opening message Turns the PTT lock ON or OFF. Turns the opening message ON or OFF. • Turn the expanded set mode 1 ON in advance. • Turn the expanded set mode 1 ON in advance. • ON The PTT lock is turned ON. • OFF The PTT lock is turned OFF. (default) • ON 8 (OPN.MSG) Displays the opening message at power ON. (default) • OFF Does not display the opening message at power ON.
IC-T90A-1.qxd 8 02.7.24 03:36 PM Page 68 (1,1) SET MODE • DTCS phase mode (DTCS P) Selects the DTCS phase mode. • BOTH N Normal phases are used for both Tx and Rx. (default) • TN-RR Normal phase is used for Tx; Reverse phase for Rx. • TR-RN Reverse phase is used for Tx; Normal phase for Rx. • BOTH R Reverse phases are used for both Tx and Rx. • Turn the expanded set mode 2 ON in advance. Approx. 10 sec. before the time-out timer is activated, the transceiver emits a beep tone as a warning.
02.7.24 03:36 PM Page 69 (1,1) SET MODE • Split operation (SPLIT) • Morse code synthesizer 8 (MC SYN) Turns the split operation ON or OFF. Split frequency operation allows you to transmit and receive on two different frequencies. Split frequency operation uses 2 frequencies, one in VFO A and the other in VFO B. The transceiver announces the operating frequency or TV channel number in Morse code. • Turn the expanded set mode 2 ON in advance. • ON The Morse code synthesizer is turned ON.
IC-T90A-1.qxd 9 02.7.24 03:36 PM Page 70 (1,1) OTHER FUNCTIONS ■ Programming a DTMF code DTMF codes are used for autopatching, accessing repeaters, controlling other equipment, etc. The transceiver has 10 DTMF memory channels (D0–D9) for storage of often-used DTMF codes of up to 16 digits. r Push the desired keys to input the characters. • [VFO] inputs “A,” [MR] inputs “B,” [CALL/TV] inputs “C,” [BAND] inputs “D,” [•] inputs “M” (E) and [MODE] inputs “F” (#). • Up to 16 digits can be programmed.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 71 (1,1) OTHER FUNCTIONS 9 ■ Transmitting a DTMF code D Transmitting from DTMF memory D Transmitting a DTMF code directly The selected DTMF code is transmitted at each push of the [SQL] switch while transmitting. DTMF code can be transmitted via keypad directly while transmitting. q Set the desired frequency. w Push [• DTMF.M] for 1 sec. to enter DTMF memory. e Rotate [DIAL] to select the desired DTMF memory channel. r Push [VFO] to exit DTMF memory.
IC-T90A-1.qxd 9 02.7.24 03:36 PM Page 72 (1,1) OTHER FUNCTIONS ■ Clearing a DTMF memory ■ Confirming a DTMF memory An unwanted DTMF memory can be cleared (erased). 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 memory channel to be cleared. e Push [• DTMF.M] for 1 sec. to enter programming mode and clear the selected DTMF memory channel. q Push [• DTMF.M] for 1 sec. to enter DTMF memory mode.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 73 (1,1) OTHER FUNCTIONS 9 ■ Tone frequency and DTCS code • Tone and DTCS squelches The tone squelch (CTCSS) or DTCS squelch opens only when receiving a signal containing a matching subaudible tone or DTCS code, respectively. You can silently wait for calls from group members using the same tone or code. Separate tone frequencies can be set for repeater and tone squelch/pocket beep operation.
IC-T90A-1.qxd 9 02.7.24 03:36 PM Page 74 (1,1) OTHER FUNCTIONS ■ Tone/DTCS squelch ■ Pocket beep function q Set the desired operating frequency, CTCSS tone and DTCS code. w Push [2 TONE] for 1 sec. one or more times to activate the tone or DTCS squelch. (T SQL or DTCS) 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 or DTCS beep.
02.7.24 03:36 PM Page 75 (1,1) OTHER FUNCTIONS 9 ■ Available tone frequencies ■ Available DTCS codes The transceiver has 50 tone frequencies for repeater and tone squelch (CTCSS)/pocket beep operation. Separate tone frequencies can be set for repeater and tone squelch/pocket beep operation. (unit: Hz) The transceiver has 104 DTCS codes for DTCS squelch and DTCS beep. 67.0 69.3 71.9 74.4 77.0 79.7 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.
IC-T90A-1.qxd 9 02.7.24 03:36 PM Page 76 (1,1) OTHER FUNCTIONS ■ Tone scan The transceiver can detect the subaudible tone frequency and DTCS code 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 or DTCS code. w Push [2 TONE] for 1 sec.
02.7.24 03:36 PM Page 77 (1,1) OTHER FUNCTIONS 9 ■ Beep tones ■ Lock function You can select to have confirmation beeps sound at the push of a switch. The output level can be adjusted within 32 levels or to the related level of the volume. (p. 58) The lock function prevents accidental frequency changes and accidental function access. You can select silent operation by turning beep tones OFF. (p. 59) ➥ Push [CALL/TV LOCK] for 1 sec. to toggle the lock function ON and OFF.
IC-T90A-1.qxd 9 02.7.24 03:36 PM Page 78 (1,1) OTHER FUNCTIONS ■ Morse code synthesizer ■ Power save The transceiver announces the operating frequency or TV channel number in Morse code. The keying speed can be adjusted within 10 to 25 WPM in 5 WPM steps for your convenience. This can be selected in expanded set mode 2. (p. 66) The power save function reduces the current drain to conserve battery power. ➥ Push [BAND] for 1 sec.
02.7.24 03:36 PM Page 79 (1,1) OTHER FUNCTIONS 9 ■ Time-out timer ■ Auto power OFF To prevent accidental prolonged transmission, etc., the transceiver has a time-out timer. This timer cuts a transmission OFF after 1, 3, 5 or 10 min. of continuous transmission. This timer can be cancelled (default). The transceiver can be set to automatically turn OFF after a specified period with a beep when no switch is pushed. Approx. 10 sec.
IC-T90A-1.qxd 9 02.7.24 03:36 PM Page 80 (1,1) OTHER FUNCTIONS ■ Weather channel operation (USA version only) There are 10 weather channels for monitoring weather channels from the NOAA (National Oceanographic and Atmospheric Administration) broadcasts. D Weather channel selection q Push [CALL/TV LOCK] one or two times to select weather channel mode. • “WX” and the weather channel number appear. w Rotate [DIAL] to select the desired weather channel.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 81 (1,1) OTHER FUNCTIONS 9 NOTE: While receiving a signal (on a frequency other than the weather alert ON frequency), the receiving signal or audio will be interrupted momentarily every 5 sec. (approx.) in the case that the alert function is turned ON. This symptom is caused by the WX alert function. To cancel these symptoms, set the weather alert item OFF in set mode.
IC-T90A-1.qxd 9 02.7.24 03:36 PM Page 82 (1,1) OTHER FUNCTIONS ■ Cloning function The IC-T90A has transceiver-to-transceiver data cloning capability. This function is useful when you want to copy all of the programmed contents from one IC-T90A to another. • An optional OPC-474 CLONING CABLE is required. q Connect an optional OPC-474 between both [SP] jacks. w While pushing [8 SET] and [MR], push [PWR] for 1 sec. to enter cloning mode. • “CLONE” appears. e Push [PTT] on the “master” transceiver.
IC-T90A-1.qxd 02.7.24 03:36 PM Page 83 (1,1) OTHER FUNCTIONS 9 ■ Resetting The function display may occasionally display erroneous information (e.g. when first applying power). This may be caused externally by static electricity or by other factors. If this problem occurs, turn power OFF. After waiting a few seconds, turn power ON again. If the problem persists, perform either or both procedures below. D All reset D Partial reset q Push [POWER] for 2 sec. to turn power OFF.
IC-T90A-1.qxd 02.7.24 03:36 PM 10 Page 84 (1,1) HM-75A REMOTE CONTROL MICROPHONE The optional HM-75A allows you to remotely select operating frequencies, memory channels, etc. Remote control functions can be selected from 3 settings. These can be selected in set mode. (p. 61) Microphone Transmit LED A PTT switch B OFF ON Speaker OPTIONAL • NORM-1: (default) [A] [B] [Y] [Z] Selects band. Toggles VFO and memory. [UP] [DOWN] • NORM-2: [A] [B] [Y] [Z] Toggles monitor function.
Page 85 (1,1) TROUBLESHOOTING 11 If your transceiver seems to be malfunctioning, please check the following points before sending it to a service center. PROBLEM POSSIBLE CAUSE SOLUTION REF. No power comes ON. • The batteries are exhausted. • The battery polarity is reversed. • Replace the batteries or charge the battery pack. • Check the battery polarity. pgs. 1, 14 p. 1 No sound comes from the speaker. • Volume level is too low. • Different tone is selected with tone/DTCS squelch.
IC-T90A-1.qxd 02.7.24 03:36 PM 12 Page 86 (1,1) TV FREQUENCY TABLE The following tables show the channels versus video and audio frequencies depending on each version. ■ U.S.A. channels CH 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 83 Video 55.25 61.25 67.25 77.25 83.25 175.25 181.25 187.25 193.25 199.25 205.25 211.25 471.25 477.25 483.25 489.25 495.25 501.25 507.25 513.25 519.25 525.25 531.25 537.25 Audio 59.75 65.75 71.75 81.75 87.75 179.75 185.75 191.75 197.75 203.75 209.
02.7.24 03:37 PM Page 87 (1,1) TV FREQUENCY TABLE ■ Australian channels CH Video Audio 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 727.25 735.25 743.25 751.25 759.25 767.25 775.25 783.25 791.25 799.25 807.25 815.25 823.25 831.25 839.25 847.25 855.25 732.75 740.75 748.75 756.75 764.75 772.75 780.75 788.75 796.75 804.75 812.75 820.75 828.75 836.75 844.75 852.75 860.75 CH 0 1 2 3 4 5 5A 6 7 8 9 10 11 28 29 30 31 32 33 34 35 36 37 38 Video 46.25 57.25 64.25 86.25 95.25 102.25 138.25 175.25 182.
IC-T90A-1.qxd 12 02.7.24 03:37 PM Page 88 (1,1) TV FREQUENCY TABLE ■ China channels CH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 85 Video 49.75 57.75 65.75 77.25 85.25 168.25 176.25 184.25 192.25 200.25 208.25 216.25 471.25 479.25 487.25 495.25 503.25 511.25 519.25 527.25 535.25 543.25 551.25 559.25 607.25 615.25 623.25 Audio 56.25 64.25 72.25 83.75 91.75 174.75 182.75 190.75 198.75 206.75 214.75 222.75 477.75 485.75 493.75 501.75 509.75 517.75 525.75 533.75 541.75 549.
02.7.24 03:37 PM Page 89 (1,1) TV FREQUENCY TABLE ■ Italian channels CH 65 66 67 68 69 Video 823.25 831.25 839.25 847.25 855.25 Audio 828.75 836.75 844.75 852.75 860.75 CH A B C D E F G H H1 H2 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Video 53.75 62.25 82.25 175.25 183.25 192.25 201.25 210.25 217.25 224.25 471.25 479.25 487.25 495.25 503.25 511.25 519.25 527.25 535.25 543.25 551.25 559.25 567.25 575.25 583.25 591.25 599.25 Audio 59.25 67.75 87.75 180.75 188.75 197.75 206.75 215.75 222.
IC-T90A-1.qxd 02.7.24 03:37 PM 13 Page 90 (1,1) SPECIFICATIONS D General • Mode • Frequency coverage U.S.A Canada Asia Australia Korea Taiwan General : (unit: MHz) Receive Transmit 0.495–824.000, 50–53.995, 144–148, 430–450*1 849–869.000, 894–999.990 0.495–999.990 50–53.995, 144–148, 430–450*1 0.495–999.990 50–53.995, 140–150*2, 430–440 0.495–53.995, 50–53.995, 144–148, 420–450*3 108–135.995, 144–148, 420–450 0.495–29.995, 50–53.995, 50–53.995, 144–146, 430–440 88–107.
IC-T90A-1.qxd 02.7.24 03:37 PM Page 91 (1,1) SPECIFICATIONS 13 D Receiver : Double-conversion superheterodyne • Intermediate frequencies : 1st 69.45 MHz (FM/AM) 13.35 MHz (WFM) 2nd 450 kHz • Sensitivity (except spurious points; typical values): FM 1.625–4.995 MHz 0.4 µV (at 12 dB SINAD) 5.000–49.995 MHz 0.18 µV 50.000–54.000 MHz 0.16 µV 54.005–143.995 MHz 0.18 µV 144.000–148.000 MHz 0.16 µV 148.005–221.995 MHz 0.4 µV 222.000–225.000 MHz 0.32 µV 225.005–246.995 MHz 0.4 µV 247.000–429.995 MHz 0.
IC-T90A-1.qxd 02.7.24 03:37 PM 14 Page 92 (1,1) OPTIONS AD-92SMA ANTENNA CONNECTOR ADAPTER Allows you to connect an antenna with a BNC connector. (SMA to BNC adapter) BC-110AR/D/DR WALL CHARGER Regularly charges BP-217 Li-ion battery pack in 15 hrs. BC-139 DESKTOP CHARGER Rapidly charges BP-217 Li-ion battery pack in 2 hrs. and 30 min. BP-217 Li-Ion BATTERY PACK 7.4 V/1300 mAh Lithium Ion battery pack. Approx. 6 hrs. and 20 min. operating time in 50MHz band with high power, Tx : Rx : Standby = 1:1:8.
IC-T90A-1.qxd 02.7.24 03:37 PM Page 93 (1,1) OPTIONS HS-94 EARHOOK HEADSET + VS-1 VOX/PTT UNIT Flexible boom microphone and rotating earpiece with a spring earhook. VS-1 HS-94 14 CS-T90A CLONING SOFTWARE + OPC-478 CLONING CABLE Allows you to transfer data from memories, etc. and quickly and easily edit and store data via a PC for Microsoft® Windows® 95/98 and ME. 1 RS-232C (COM) port is required. VOX PTT OPC-474 CLONING CABLE Used for handheld-to-handheld cloning.
IC-T90A-1.qxd 02.7.
• Partial reset q Turn power OFF. w While pushing and holding [VFO], turn power ON. • ALL reset q Turn power OFF. w While pushing and holding [BAND], [VFO] and [MR], turn power ON. ■ CPU reset operation e Complete q Push and hold [8 SET] for 1 sec. w Rotate [DIAL] to select SET mode item. e Push [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.
Page 96 (1,1) 02.7.24 03:37 PM IC-T90A-1.qxd While pushing [SQL] rotate [DIAL]. ■ Adjusting squelch level Push [∫]/[√] (continuously changes while holding). ■ Adjusting audio output level Push [MODE]. ■ Changing receiving mode q Select VFO mode. w Rotate [DIAL], or enter the desired frequency from the keypad. [e.g. 1] 445.600 MHz [4], [4], [5], [•], [6], [0], [0] [e.g. 2] 0.684 MHz [0], [•], [6], [8], [4] ■ Frequency setting Push [BAND]. ■ Changing frequency band VFO mode : Push [VFO].
IC-T90A-1.qxd 02.7.
IC-T90A-1.qxd 02.7.24 03:37 PM Page z (1,1) Count on us! A-6134H-1EX-w Printed in Japan © 2002 Icom Inc.
