Icom IC-T70A Instruction Manual

Icom IC-T70A Instruction Manual

Vhf/uhf dual band fm transceiver
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INSTRUCTION MANUAL
VHF/UHF DUAL BAND FM TRANSCEIVER
iT70A
iT70E
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 CEL-
LULAR RADIOTELEPHONE SERVICE SIGNALS IS PROHIBITED
UNDER FCC RULES AND FEDERAL LAW.

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Summary of Contents for Icom IC-T70A

  • Page 1 INSTRUCTION MANUAL VHF/UHF DUAL BAND FM TRANSCEIVER iT70A iT70E 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.
  • Page 2: Foreword

    We want to take a moment of your time to thank you for mak- ❍ Built in VOX circuit enabling the VOX opera- ing your IC-T70A/T70E your radio of choice, and hope you tion* (voice operated transmission) agree with Icom’s philosophy of “technology first.” Many hours...
  • Page 3 PRECAUTIONS R WARNING RF EXPOSURE! NEVER connect the transceiver to a power source of more This device emits Radio Frequency (RF) energy. Caution should be observed than 16 V DC. This will ruin the transceiver. when operating this device. If you have any questions regard- NEVER connect the transceiver to a power source using ing RF exposure and safety standards please refer to the...
  • Page 4: Fcc Information

    • Consult the dealer or an experienced radio/TV technician for help. CAUTION: Changes or modifications to this device, not expressly approved by Icom Inc., could void your authority to operate this device under FCC regulations.
  • Page 5: Supplied Accessories

    * Not supplied, or the shape is different, depending on the transceiver version. Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United King- dom, Germany, France, Spain, Russia and/or other countries.
  • Page 6: Table Of Contents

    TABLE OF CONTENTS FOREWORD ������������������������������������������������������������������������������������� i 4 BASIC OPERATION ···························································16–23 EXPLICIT DEFINITIONS ������������������������������������������������������������������� i ■ Power ON ������������������������������������������������������������������������������16 FEATURES ���������������������������������������������������������������������������������������� i ■ Setting audio volume �������������������������������������������������������������16 ■ Setting the squelch level ��������������������������������������������������������17 IMPORTANT �������������������������������������������������������������������������������������� i PRECAUTIONS ����������������������������������������������������������������������������ii–iii ■ Monitor function ���������������������������������������������������������������������17 FCC INFORMATION �����������������������������������������������������������������������...
  • Page 7 TABLE OF CONTENTS ■ Selecting memory/bank name indication �������������������������������35 ■ Tone frequency and DTCS code ��������������������������������������������68 ■ Display type ���������������������������������������������������������������������������36 ■ Tone/DTCS squelch ���������������������������������������������������������������70 ■ Copying memory/call contents�����������������������������������������������37 ■ Tone scan�������������������������������������������������������������������������������71 ■ Memory clearing ��������������������������������������������������������������������38 ■ Weather channel operation ����������������������������������������������������72 ■...
  • Page 8: Accessory Attachment

    ACCESSORY ATTACHMENT ■ Hand strap ■ Belt clip To attach the belt clip: To facilitate carrying the Slide the belt clip in the transceiver, slide the hand direction of the arrow strap through the loop on until the belt clip locks in the top of the rear panel as place, and makes a ‘click’...
  • Page 9: Battery Pack

    ACCESSORY ATTACHMENT ■ Battery pack ■ Antenna To attach the battery pack: Insert the antenna connector into the antenna base and q Fit the battery pack tighten the antenna screw. Battery pack/Battery case in the direction of the Jack cover arrow (q), then close.
  • Page 10: Panel Description

    PANEL DESCRIPTION ■ Front, top and side panels q ANTENNA CONNECTOR (p. 2) ANTENNA Connects to the supplied antenna. CONNECTOR • An optional AD-92SMA adapter (p. 79) is available for connect- EXTERNAL SPEAKER/ ing an antenna with a BNC connector. MICROPHONE JACKS w EXTERNAL SPEAKER/MICROPHONE JACKS [SP/MIC] CONTROL DIAL...
  • Page 11 PANEL DESCRIPTION D Keypad r VOLUME CONTROL [VOL] ➥ Adjust the audio volume level. (p. 16) ➥ During set mode operation, rotate to select the options. (p. 51) t PTT SWITCH [PTT] ➥ Push and hold to transmit, release to receive. (p. 23) For IC-T70E only ➥...
  • Page 12 PANEL DESCRIPTION D Keypad (continued) TONE SCAN KEY [T.SCAN](#) OUTPUT POWER • SCAN KEY [H/M/L] • [SCAN](H/M/L) ➥ Push and hold for 1 sec. to start the tone scan ➥ Push to select the output power. (p. 22) function. (p. 71) •...
  • Page 13: Function Display

    PANEL DESCRIPTION ■ Function display w DUPLEX ICON (p. 26) “ DUP” appears when plus duplex is selected, “DUP–” ap- pears when minus duplex is selected. e TONE ICON ➥ “ T” appears while the subaudible tone encoder is in use.
  • Page 14 PANEL DESCRIPTION ■ Function display (continued) !1 WEATHER CHANNEL ICON (pp. 72–73) Appears when the weather alert function is in use. !2 S/RF METER ➥ Shows the relative signal strength while receiving sig- nals. (p. 22) ➥ Shows the output power level while transmitting. (pp.
  • Page 15: Battery Charging

    BATTERY CHARGING ■ Caution (for the supplied BP-264 Ni-MH battery pack) • R DANGER! NEVER short terminals (or charging terminals) • Clean the battery terminals to avoid rust or misscontact. of the battery pack. Also, current may flow into nearby metal •...
  • Page 16: Caution (For The Optional Bp-265 Li-Ion Battery Pack)

    Icom radios and Icom chargers. Only Icom bat- tery packs are tested and approved for use with Icom radios • R DANGER! NEVER solder the battery terminals, or or charged with Icom chargers. Using third-party or coun- NEVER modify the battery pack.
  • Page 17: D Charging Caution

    –20˚C to +20˚C (–4˚F to +68˚F) (up to a year) fied temperature range: BC-193 (+10˚C to +40˚C; +50˚F to +104˚F). Icom recommends charging the battery at +20˚C (+68˚F). The battery may heat up or rupture if charged out of the specified temperature range. Additionally, battery per-...
  • Page 18: Optional Battery Case

    BATTERY CHARGING ■ Optional battery case (BP-263) ■ Battery information When you would like to use the optional battery case (BP-263), D Battery life install 6 × AA (LR6) size alkaline batteries, as shown below. Battery pack Voltage Capacity Battery life* q Remove the battery case if it is attached.
  • Page 19: Regular Charging

    DC power supply, the battery pack may receive switching noise from the AC adapter, depend- may have problem. In this case, contact your Icom dealer/ ing on the operating frequencies and/or antenna used. distributor, or purchase a new battery pack.
  • Page 20: Desktop Battery Chargers

    BATTERY CHARGING ■ Desktop battery chargers D Rapid charging with the BC-191 D Charging note The BC-191 provides rapid charging of only the BP-264 Ni-MH • Be sure to turn the transceiver power OFF. battery pack. Never use it to charge any other battery pack. •...
  • Page 21: Regular Charging With The Bc

    BATTERY CHARGING D Regular charging with the BC-192 D Rapid charging with the BC-193 The BC-192 provides regular charging of only the BP-264 Ni-MH The BC-193 provides rapid charging of only the BP-265 Li- battery pack. Never use it to charge any other battery pack. Ion battery pack.
  • Page 22: External Dc Power Operation

    BATTERY CHARGING ■ External DC power operation An optional cigarette lighter cable (CP-12L or CP-19R; for • CP-12L (Optional) Transceiver 12 V cigarette lighter socket) or external DC power cable (OPC-254L) can be used for external power operation. (We recommend the CP-19R when you want to connect a 12 V cigarette lighter socket.) to cigarette lighter socket (12 V DC)
  • Page 23: Basic Operation

    BASIC OPERATION ■ Power ON ■ Setting audio volume ➥ Push and hold [ ] for 1 sec. to turn power ON. ➥ Rotate [VOL] to adjust the audio level. • Push and hold [ ] for 1 sec. to turn power OFF. •...
  • Page 24: Setting The Squelch Level

    BASIC OPERATION ■ Setting the squelch level ■ Monitor function The squelch circuit mutes the received audio signal, depend- This function is used to listen to weak signals without disturb- ing on the signal strength. The transceiver has 9 squelch lev- ing the squelch setting;...
  • Page 25: Memory Mode

    BASIC OPERATION ■ Selecting the mode D Memory mode q Push [V/M/C] repeatedly to sequen- [DIAL] Memory mode is used for opera- tially select the VFO mode, memory • Memory mode display mode, call channel mode or weather tion on memory channels which store programmed frequencies.
  • Page 26: Setting The Tuning Step

    ■ Setting the frequency The tuning step can be selected for both band. The following D Using the dial tuning steps are available for the IC-T70A/T70E. q Push [V/M/C] to select the VFO mode, if any other mode is • 5.0 kHz •...
  • Page 27: D Using The Keypad

    BASIC OPERATION D Using the keypad The frequency can be directly set using the nu- meric keys. Depending on the tuning step setting, it • If a frequency outside the transceiver’s frequency may not be possible to range is entered, the previously displayed fre- input a 1 kHz digit.
  • Page 28: Operating Mode Selection

    BASIC OPERATION ■ Operating mode selection ■ Key lock function Operating modes are determined by the modulation of the To prevent accidental frequency changes and unnecessary radio signals. The transceiver has two operating modes, FM function access, use the lock function. and FM-N (narrow).
  • Page 29: Receiving

    BASIC OPERATION ■ Receiving ■ Transmit power selection Make sure a charged battery pack (BP-264, BP-265) or a The transceiver has three output power levels to suit your op- case with brand new alkaline batteries (BP-263) is attached erating requirements. Low output power during short-range to the transceiver (pp.
  • Page 30: Transmitting

    BASIC OPERATION ■ Transmitting R WARNING! NEVER transmit for long periods of time. CAUTION: Transmitting without an antenna will damage the When the transceiver is used for prolonged transmissions transceiver. at high power or middle power, the transceiver radiates heat to protect itself from overheating.
  • Page 31: Repeater And Duplex Operations

    REPEATER AND DUPLEX OPERATIONS ■ Repeater operation Appears e Push and hold [TONE](0) for 1 sec. When using a repeater, the transmit frequency is shifted from to activate the subaudible tone en- the receive frequency by the frequency offset . This is (p.
  • Page 32: D Checking The Repeater Input Signal

    REPEATER AND DUPLEX OPERATIONS D Checking the repeater input signal D Off band indication The transceiver can check whether the other station’s trans- If the transmit frequency is out of the amateur band when [PTT] is pushed, the off band indication, “OFF,” appears on mit signal can be received directly or not, by listening on the repeater input frequency.
  • Page 33: Duplex Operation

    REPEATER AND DUPLEX OPERATIONS ■ Duplex operation U.S.A. and Korean versions: D Setting frequency offset The auto repeater function has priority over the manual duplex q Push [SET] to enter the Set mode. [DIAL] setting. If the transmit frequency changes after setting, the [VOL] w Rotate [DIAL] to select the frequency auto repeater function may have changed the duplex setting.
  • Page 34: Auto Repeater Function

    REPEATER AND DUPLEX OPERATIONS ■ Auto repeater function q While continuing to push [SET], turn the power ON to The U.S.A. and Korean versions automatically use standard enter the Initial set mode. repeater settings (duplex ON/OFF, duplex direction, tone encoder w Rotate [DIAL] to select the auto repeater set item, then when the operating frequency falls within or outside ON/OFF)
  • Page 35: 1750 Hz Tone

    REPEATER AND DUPLEX OPERATIONS ■ 1750 Hz tone r Set the receive frequency To access some European repeaters, the transceiver must (repeater output frequency) t Set the shift direction of the transmit frequency. transmit a 1750 Hz tone burst. For such repeaters, perform (–DUP or the following.
  • Page 36: Memory/Call Channels

    MEMORY/CALL CHANNELS ■ General description ■ Selecting a call channel The IC-T70A/T70E has 300 memory channels, and 2 call q Push [V/M/C] to select the call channel mode. channels. Memory channels include 50 scan edge memory • Pushing [V/M/C] toggles between the VFO mode, the memory channels to store often-used frequencies.
  • Page 37: Selecting A Memory Channel

    MEMORY/CALL CHANNELS ■ Selecting a memory channel D Using the Numeral keys D Using [DIAL] q Push [V/M/C] to select the memory mode. q Push [V/M/C] to select the memory mode. • Pushing [V/M/C] toggles between the VFO mode, the memory •...
  • Page 38: Memory Channel Programming

    MEMORY/CALL CHANNELS ■ Memory channel programming q Push [V/M/C] to select the VFO mode. r Rotate [DIAL] to select a desired channel. w Set a desired frequency: • Call channels (C0, C1), VFO and scan edge channels (0A/0b ➥ Push [BAND] to select a desired band. to 24A/24b), as well as regular memory channels, can be pro- ➥...
  • Page 39: Memory Bank Setting

    ■ Memory bank setting r Rotate [DIAL] to select a desired bank group from “A” to “Z.” The IC-T70A/T70E has a total of 26 banks (A to Z). Regular [DIAL] memory channels 0 to 249 and scan edge memory channels 0A to 24b are assigned to any desired bank for easy memory management.
  • Page 40: Memory Bank Selection

    MEMORY/CALL CHANNELS ■ Memory bank selection r Rotate [DIAL] to select the bank channel. q Push [V/M/C] to select the memory mode. w Push [BAND] to enter the bank selection mode. • Only programmed channels are displayed. e Rotate [DIAL] to select a desired bank (A to Z), then push [DIAL] [BAND].
  • Page 41: Programming Memory/Bank/Scan Name

    MEMORY/CALL CHANNELS ■ Programming memory/bank/scan name Each memory channel can be programmed with an alphanu- u Repeat step y until a desired channel name is pro- meric channel name for easy recognition as well as displayed grammed. independently by channel. Names can be a maximum of 6 i Push and hold [S.MW](V/M/C) for 1 sec.
  • Page 42: Selecting Memory/Bank Name Indication

    MEMORY/CALL CHANNELS ■ Selecting memory/bank ■ Programming memory/bank/scan name (continued) name indication [EXAMPLE]: Programming the bank name “VHF” into the scan edge channel 1A During memory mode operation, either the programmed During memory mode, rotate Push and hold memory name or bank name can be displayed. for 1 sec.
  • Page 43: Display Type ���������������������������������������������������������������������������36 ■ Tone/Dtcs Squelch

    MEMORY/CALL CHANNELS ■ Display type “Channel number display” During memory mode operation, the transceiver has 3 Displays the memor y channel display types to suit your operating style. Set the display type number. Only programmed mem- in the Initial set mode. ory channels are displayed, and q While continuing to push [SET], turn the power ON to modes other than the memory...
  • Page 44: Copying Memory/Call Contents

    MEMORY/CALL CHANNELS ■ Copying memory/call contents Pushing and holding [S.MW](V/M/C) for 2 seconds in step This function transfers a memory channel’s contents to VFO w will also copy the memory contents to the VFO. In that (or another memory/call channel). This is useful when search- case, steps e and r are not necessary.
  • Page 45: Memory Clearing

    MEMORY/CALL CHANNELS ■ Memory clearing Contents of programmed memories can be cleared (erased), e Push [SET] repeatedly to select “CLEAR.” if desired. r Push and hold [S.MW](V/M/C) for 1 sec. to clear the con- tents. q Push and hold [S.MW](V/M/C) for 1 sec. to enter the select •...
  • Page 46: Erasing/Transferring Bank Contents

    MEMORY/CALL CHANNELS ■ Erasing/transferring bank contents The bank contents of programmed memory channels can be • Do not hold [S.MW](V/M/C) for more than 2 seconds. Otherwise cleared or reassigned to another memory bank. the memory contents will be copied to the VFO. e Push [SET] repeatedly to select “bAnk.”...
  • Page 47: Scan Operation

    SCAN OPERATION ■ Scan types Scanning automatically searches for signals and makes it easier to locate new stations for contact or listening pur- poses. FULL SCAN SELECTED BAND SCAN (p. 42) (p. 42) Repeatedly scans all frequen- Repeatedly scans all frequen- 144 MHz 440 MHz Band...
  • Page 48 SCAN OPERATION ■ Scan types (continued) MEMORY (SKIP) SCAN BAND MEMORY (SKIP) SCAN (p. 44) (p. 44) Repeatedly scans memory Repeatedly scans memory chan- SKIP SKIP channels, except those set as nels in the same band as the SKIP 440 MHz skip channels.
  • Page 49: Full/Band/Programmed Scan

    SCAN OPERATION ■ Full/band/programmed scan t Push [SCAN](H/M/L) to start the scan. q Push [V/M/C] to select the VFO mode • The scan pauses when a signal is received. • Push [BAND] to select a desired frequency band. • Rotate [DIAL] to change the scanning direction. This also re- w Set the squelch level.
  • Page 50: Scan Edges Programming

    SCAN OPERATION ■ Scan edges programming r Rotate [DIAL] to select a desired programmed scan edge Scan edges can be programmed in the same manner as channel from 0A to 24A. memory channels. Scan edges are programmed into scan t Push and hold [S.MW](V/M/C) for 1 sec. to program. edge memory channels, 0A/0b to 24A/24b.
  • Page 51: Memory Scan

    SCAN OPERATION ■ Memory scan t Push [SCAN](H/M/L) to start the scan. IMPORTANT!: To perform a memory scan, 2 or more • The scan pauses when a signal is received. memory channels MUST be programmed, otherwise the • Rotate [DIAL] to change the scanning direction. This also re- scan will not start.
  • Page 52: Memory Bank Scan

    SCAN OPERATION ■ Memory bank scan r Rotate [DIAL] to select a desired scanning type. IMPORTANT!: To perform a memory bank scan, 2 or more • Select “ALL” for all bank scan, “b-LInk” for bank link scan or bank channels MUST be programmed, otherwise the scan “bAnk- ”...
  • Page 53: Skip Channel/Frequency Setting

    SCAN OPERATION ■ Skip channel/frequency setting Memory channels can be set to be skipped during memory e Push [SET] repeatedly to select the “SkIP” item. skip scan. In addition, memory channels can be set to be skipped during both memory skip scan and frequency skip scan.
  • Page 54: Scan Resume Setting

    SCAN OPERATION ■ Scan resume setting D Scan resume timer D Scan pause timer The scan restarts after the signal disappears, depending on The scan pauses while receiving signals, depending on the the resume time. It can be set from 0–5 seconds or unlim- scan pause time.
  • Page 55: Priority Watch

    PRIORITY WATCH ■ Priority watch types While operating on a VFO frequency or scanning, the priority MEMORY SCAN WATCH watch checks for signals on the set priority frequency every While operating on a VFO fre- 5 seconds 5 seconds. The transceiver has four priority watch types to Mch 0 quency, priority watch checks suit your needs.
  • Page 56: Priority Watch Operation

    PRIORITY WATCH ■ Priority watch operation D Memory/call channel and memory scan watch • During priority watch q Select the VFO mode, then set an operating frequency. w Select the channel(s) to be watched. For memory channel watch: Select a desired memory channel. Monitors VFO frequency Pauses on a memory For call channel watch:...
  • Page 57 PRIORITY WATCH D VFO scan watch u Push [SCAN](H/M/L) to start the VFO scan watch. q Select the channel(s) to be watched. For memory channel watch: • The transceiver checks the memory/bank channel(s) or call Select a desired memory channel. channel every 5 seconds.
  • Page 58: Set Modes

    SET MODES ■ General D Entering and using the Initial set mode D Entering and using the Set mode The Initial set mode can be accessed at power ON, and al- The Set mode is used to change the settings of the trans- lows you to set seldom-changed settings to suit your prefer- ceiver s functions.
  • Page 59: Set Mode Item List

    SET MODES ■ Set mode item list ■ Initial set mode item list Guidance Item Page Guidance Item Page p. 53 p. 59 Repeater tone frequency Microphone simple mode TSQL frequency p. 53 Auto power OFF p. 59 p. 53 p.
  • Page 60: Set Mode Items

    SET MODES ■ Set mode items D DTCS code (CODE) D Repeater tone frequency (R TONE) Selects one of 104 DTCS (both encoder/decoder) codes. Selects one of 50 subaudible tone frequencies used to ac- • 023–754 (default: 023) cess the repeaters. •...
  • Page 61: Reverse Duplex Function (Dup.rev)

    SET MODES D Tuning step (TS) D Reverse duplex function (DUP.REV) Selects the tuning step between 5, 10, 12.5, 15, 20, 25, 30, Turns the reverse duplex function ON or OFF. (default: OFF) 50, 100, 125 and 200 kHz for the dial operation. Reverse function is OFF 5.0 kHz tuning step D Operating mode (MODE)
  • Page 62: Priority Watch (Prio)

    SET MODES D Priority watch (PRIO) D Scan resume timer (RESUME) Activates priority watch or priority watch with priority beep. Selects the scan resume time of a pause after the received signal disappears. (default: 2) (default: OFF) • 0 : Scan resumes immediately after the received signal •...
  • Page 63 SET MODES D Memory bank link function (B-LINK) D Program scan link function (P-LINK) Turns the memory bank link function ON (default) or OFF. Sets the program scan link function. During program scan, The link function provides continuous bank scan, scanning all link function performs a continuous program scan in the se- channels in the selected banks during bank scan.
  • Page 64 SET MODES • Program scan link setting • Program scan link name programming q Rotate [VOL] to select the program scan link number that q Rotate [VOL] to select the program scan link number for you want to change. which you want to program a name. w Push and hold [SET] for 1 sec.
  • Page 65: Dtmf Tx Key (Dtmf-T)

    SET MODES D DTMF TX key (DTMF-T) D Microphone gain (MIC G) Selects the method to transmit a DTMF code sequence. Sets the microphone gain to between 1 and 4 to suit your While continueing to push [PTT], push one of the keys, [0] to preference.
  • Page 66: Initial Set Mode Items

    SET MODES ■ Initial set mode items D Microphone simple mode (MIC S) D VOX delay (VOX.DLY) Microphone simple mode is used to assign the essential op- Sets the VOX delay to between “0.5,” “1.0,” “1.5,” “2.0,” “2.5” erations to the four switches (S1 to S4) on the remote con- and “3.0”...
  • Page 67: Display Backlighting (Light)

    SET MODES D Display backlighting (LIGHT) D Auto repeater (AUTORP) The transceiver has a display backlighting with a 5 second U.S.A. and Korean versions only timer for night time operation. The display backlighting can be The auto repeater function automatically turns the duplex op- turned ON continuously or turned OFF.
  • Page 68: Power Save (P Save)

    SET MODES D Power save (P SAVE) D Voltage indication (VOLT) The power save function allows you conserve battery life by The power voltage, battery voltage or external power supply selecting the duty cycle of the receiver. Select the ratio of the voltage, is displayed at power ON.
  • Page 69: Time-Out Timer (Tot)

    SET MODES D LCD contrast (CONT) D Time-out timer (TOT) To prevent accidental prolonged transmission, the transceiver Selects the LCD contrast. (default: Auto) has a time-out timer. This function cuts transmission OFF • Auto : Sets the contrast to high. However, if the transceiver is after 1–30 min.
  • Page 70 SET MODES D Monitor key action (MONI) D Memory name (NAME) The memory name is displayed during memory mode, or the The monitor key, [MONI](BAND), can be set as a ‘sticky’ key. memory bank name is displayed during memory bank selec- When set to the sticky condition, each push of [MONI](BAND) tion.
  • Page 71: Display Type (Disp M)

    SET MODES D Display type (DISP M) D Auto low power (AUTOLP) Selects the display type for memory mode operation. Turns the auto low power function ON or OFF. (default: FREq) When the temperature goes below 0°C (+32°F), the function •...
  • Page 72: Other Functions

    OTHER FUNCTIONS ■ Programming a DTMF code sequence DTMF codes are used for autopatching, accessing repeat- t Rotate [DIAL] to select the char- [DIAL] ers, controlling other equipment, etc. The transceiver has 16 acters. DTMF memory channels (d0–d9, dA, db, dC, dd, dE, dF) for •...
  • Page 73: Transmitting A Dtmf Code Sequence

    OTHER FUNCTIONS ■ Transmitting a DTMF code sequence The transceiver has 3 methods of transmitting a DTMF code D Manual DTMF code transmission sequence. Select a desired option in the Set mode. First, set the DTMF TX key to “kEy” in the Set mode. q Push [SET] to enter the Set mode.
  • Page 74: Setting Dtmf Transfer Speed

    OTHER FUNCTIONS ■ Setting DTMF transfer speed ■ Transmitting a DTMF code sequence (continued) D Using a DTMF memory channel The DTMF transfer speed can be selected. First, set the DTMF TX key to “mEm” in the Set mode. q While continuing to push [SET], turn the power ON to ➥...
  • Page 75: Tone Frequency And Dtcs Code

    OTHER FUNCTIONS ■ Tone frequency and DTCS code D Tone and DTCS squelches D Setting subaudible tones for tone squelch The tone squelch (CTCSS) or DTCS squelch opens only q Push [SET] to enter the Set mode. when receiving a signal containing a matching subaudible w Rotate [DIAL] to select the CTCSS tone frequency item.
  • Page 76: Setting Dtcs Code For Dtcs Squelch

    OTHER FUNCTIONS ■ Tone frequency and DTCS code (continued) D Setting DTCS code for DTCS squelch D Setting DTCS polarity q Push [SET] to enter the Set mode. q Push [SET] to enter the Set mode. w Rotate [DIAL] to select the DTCS code item. w Rotate [DIAL] to select the DTCS polarity item.
  • Page 77 OTHER FUNCTIONS ■ Tone/DTCS squelch q Set a desired operating frequency, and then set a No tone operation Subaudible tone encoder CTCSS tone or DTCS code. w Push and hold [TONE](0) for 1 sec. repeatedly to activate the tone or DTCS squelch. (T SQL or DTCS) •...
  • Page 78: Tone Scan

    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 re- Tone scan for repeater tone peater.
  • Page 79: Weather Channel Operation

    OTHER FUNCTIONS ■ Weather channel operation U.S.A. version only There are 10 weather channels for monitoring D Weather alert function weather broadcasts from the NOAA (National NOAA broadcast stations transmit weather alert tones be- Oceanic and Atmospheric Administration). fore important weather announcements. When the weather alert function is turned ON, the selected weather channel is D Weather channel selection monitored every 5 seconds for the announcement.
  • Page 80 OTHER FUNCTIONS D Weather alert function (continued) t Set the desired stand-by condition. • Select the VFO mode, memory mode or call channel mode. • Scan or priority watch operation can also be selected. y When the alert is detected, a beep sounds and the follow- ing indication is displayed.
  • Page 81: Cloning Function

    The IC-T70A/T70E has transceiver-to-transceiver data clon- ing capability. This function is useful when you want to copy • “CL Out m” appears and the bar meter shows that cloning is all of the programmed contents from one IC-T70A/T70E to taking place. another.
  • Page 82: Resetting

    OTHER FUNCTIONS ■ Resetting D All reset D Partial reset The display may occasionally display erroneous information (e.g. when first q Push and hold [ ] for 1 sec. to turn q Push and hold [ ] for 1 sec. to turn applying power).
  • Page 83: Troubleshooting

    TROUBLESHOOTING If your transceiver seems to be malfunctioning, please check the following points before sending it to a service center. PROBLEM POSSIBLE CAUSE SOLUTION REF. Transceiver does not turn • The battery is exhausted. • Charge the battery pack, or replace the batteries. pp.
  • Page 84: Specifications

    Less than 0.18 µV • Power supply : 10.0–16.0 V DC for external DC power, Other frequency range Less than 0.32 µV or specified Icom battery pack • Audio output power (at 10% distortion/7.2 V DC) • Current drain (at 7.2 V DC) More than 700 mW with a 16 Ω...
  • Page 85: Options

    Battery case for LR6 (AA) × 6 alkaline batteries. Power supply voltage 12 to 16 V DC or the specified • BP-264 Icom AC adapter (BC-123S) mh battery pack 7.2 V/1400 mAh (Typ.) Ni-MH battery pack. Battery life: Charging temp. range +10°C to +40°C;...
  • Page 86 PTT switch) to your lapel or breast pocket. performance when used with an Icom transceiver. Icom is not responsible for the destruction or damage to an Icom transceiver in the event the Icom transceiver is used with equipment that is not manufactured or approved by Icom.
  • Page 87: Vox Function

    OPTIONS ■ VOX function The transceiver has a VOX function, which allows hands-free D Turning the VOX function ON or OFF operation. q Connect an optional headset and plug adapter cable to the An optional HS-94, HS-95 or HS-97 headset and the transceiver, and then turn the power ON.
  • Page 88: Vox-Related Settings

    OPTIONS D VOX-related settings The VOX gain, the VOX delay, and the VOX time-out timer VOX delay • can be set in the Set mode. Sets the VOX delay to between 0.5 and 3.0 seconds (in 0.5 q Connect an optional headset and plug adapter cable to the sec.
  • Page 89: Remote Control Function

    OPTIONS ■ Remote control function • SIMPLE The remote control unit allows you to remotely select operat- Selects the Call channel. ing frequencies, memory channels, etc. Turns the monitor function ON or OFF. Selects memory channel 0. • User remote control unit Selects memory channel 1.
  • Page 90: Country Code List

    COUNTRY CODE LIST ISO 3166-1 Country Codes Country Codes Austria Liechtenstein Belgium Lithuania Bulgaria Luxembourg Croatia Malta Czech Republic CZ Netherlands Cyprus Norway Denmark Poland Estonia Portugal Finland Romania France Slovakia Germany Slovenia Greece Spain Hungary Sweden Iceland Switzerland Ireland Turkey Italy United Kingdom GB...
  • Page 91: Index

    INDEX – 1 – Charging note ���������������������������������������������������������������������������12, 13 1750 Hz tone ����������������������������������������������������������������������������������28 Checking the repeater input signal �������������������������������������������������25 Cloning function ������������������������������������������������������������������������������74 – A – Copying call channel contents ��������������������������������������������������������37 All reset �������������������������������������������������������������������������������������������75 Copying memory contents ��������������������������������������������������������������37 Antenna ��������������������������������������������������������������������������������������������2 Country Code List ���������������������������������������������������������������������������83 Auto low power (AUTOLP) ��������������������������������������������������������������64 Auto power OFF (AP OFF) �������������������������������������������������������������59 –...
  • Page 92 INDEX – L – – F – LCD contrast (CONT) ���������������������������������������������������������������������62 FCC information ������������������������������������������������������������������������������ iii List of Country codes (ISO 3166-1) ������������������������������������������������83 Features �������������������������������������������������������������������������������������������� i – M – Foreword �������������������������������������������������������������������������������������������� i Frequency display ���������������������������������������������������������������������������36 Memory bank link function (B LINK) �����������������������������������������������56 Frequency offset (OFFSET) �����������������������������������������������������������54 Memory bank scan �������������������������������������������������������������������������45 Frequency range and offset direction ���������������������������������������������27...
  • Page 93 INDEX – P – Resetting ����������������������������������������������������������������������������������������75 Reverse duplex function (DUP.REV)�����������������������������������������������54 Partial reset ������������������������������������������������������������������������������������75 Reverse tone/DTCS squelch ����������������������������������������������������������68 Pocket beep ������������������������������������������������������������������������������������68 Power OFF �������������������������������������������������������������������������������������16 Reverse duplex function �����������������������������������������������������������������26 Power ON ���������������������������������������������������������������������������������������16 – S – Power save (P SAVE) ���������������������������������������������������������������������61 Precautions �����������������������������������������������������������������������������������ii, iii Scan edges programming ��������������������������������������������������������������43 Priority watch (PRIO) ����������������������������������������������������������������������55 Scan name (S NAME) ��������������������������������������������������������������������63...
  • Page 94 INDEX Setting the frequency using the keypad������������������������������������������20 – U – Usable characters ���������������������������������������������������������������������������34 Setting the squelch level �����������������������������������������������������������������17 Setting the tuning step ��������������������������������������������������������������������19 – V – Side panel �����������������������������������������������������������������������������������������3 Skip channel setting �����������������������������������������������������������������������46 VFO mode ��������������������������������������������������������������������������������������18 Skip frequency setting ��������������������������������������������������������������������46 VFO scan watch �����������������������������������������������������������������������������50 Specifications ���������������������������������������������������������������������������������77 Voltage indication (VOLT) ���������������������������������������������������������������61...
  • Page 95 MEMO...
  • Page 96 ■ ■ SI ■ ES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ A-6808H-1EX-e Printed in Japan 2009–2013 Icom Inc. © 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan Printed on recycled paper with soy ink.

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