Icom IC-F4021 [12/32] Panel description

PANEL DESCRIPTION

PRIO A/B KEYS

➥ Push to select Priority A or Priority B channel.

➥ Push and hold [Prio A (Rewrite)] or [Prio B (Rewrite)] for 1

sec. to reassign the operating channel to Priority A or

Priority B channel.

MR-CH 1/2/3/4 KEYS

Push to select memory channels 1 to 4 in the operating zone

directly.

MONI KEY

Mute and release the CTCSS (DTCS) or 2-tone squelch

mute. Open any squelch/deactivate any mute while pushing

and holding this key.

LOCK KEY

➥ Push and hold for 1 sec. to electronically lock all program-

mable keys except the following:

[Call] (incl. Call A and Call B), [Moni] and [Emergency].

➥ Push and hold for 1 sec. again to turn the lock function

OFF.

HIGH/LOW KEY

Push to select the transmit output power temporarily or per-

manently, depending on the pre-setting.

•Ask your dealer for the output power level for each selection.

C.TONE CH ENT KEY

Push to select the continuous tone channel using

[CH Up]/[CH Down] to change the tone frequency/code set-

ting. The selected channel remains set as the continuous

tone channel until another channel is designated as such.

TALK AROUND KEY

Push to turn the talk around function ON and OFF.

•The talk around function equalizes the transmit frequency to the

receive frequency for transceiver-to-transceiver communication.

WIDE/NARROW KEY

Push to toggle the IF bandwidth between wide and narrow.

DTMF AUTODIAL KEY

➥ Push to enter the DTMF channel selection mode. Then

select the desired DTMF channel using [CH Up]/[CH

Down].

➥ After selecting the desired DTMF channel, push this key to

transmit the DTMF code.

RE-DIAL KEY

Push to transmit the last-transmitted DTMF code.