Icom IC-T7H Instruction Manual

Also see for IC-T7H: Instruction manual Service manual

1 PANEL DESCRIPTION4!7 TONE SCAN KEY [TSCAN?]➥ Push this key for 1 sec. to start and stop tonedecode scan (p. 13).• When a subaudible tone is detected, the tone fre-quency is displayed and overwrites the prepro-grammed:➠ tone squelch frequency when the tone squelch isin use;➠ tone encoder (repeater tone) frequency when thetone squelch is not in use.➥ While pushing [PTT], this key sends a DTMF “#.”!8 DTMF KEY [• (DTMF M@)]➥ Enters a decimal for MHz unit during frequencyinput (p. 10).➥ Push and hold for 1 sec. to enter DTMF memo-ry mode for programming or recall (p. 17).• To program use [(H/L)SET].• To transmit use [MONI] while transmitting.➥ While pushing [PTT], this key sends a DTMF“M.”!9 DIGIT KEYS➥ Input the specified digit during frequency input, memo-ry channel selection, etc.➥ Transmit the DTMF code of the specified digit whilepushing [PTT].DTMF•M.T SCAN@0 EXTERNAL DC POWER JACK [DC13.5V]Allows operation with a 4.5 to 16 V DC power source usingthe optional cables, CP-12L or OPC-254L.CAUTION: Operation with an external DC powersource simultaneously charges batteries inside thebattery case or the battery pack. When using dry cellbatteries this may cause battery leakage and damagethe transceiver; when using a Ni-Cd battery pack thismay cause battery overcharging and shorten the life ofthe battery pack.@1 BATTERY PACK RELEASE (p. 8)Push to open the latch for battery pack removal.