Manual Icom IC-78 (page 38 of 48) (English)

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EXTRA FEATURES

■ 2-Tone alarm operation

The 2-tone alarm is used for instant emergency opera-

tion. When the 2-tone alarm function is activated, the

call channel (2182 kHz, distress channel, is pre-pro-

grammed) is selected automatically, and emits a dis-

tress alarm.

D Operation

➥ Push [TONE] to emit a distress alarm signal for a

speciﬁed time period from the speaker only.

•“ ” appears.

•Push [TONE] again to cancel the distress alarm signal

emission.

•Push [CALL] to return to previous condition.

➥ Push [TONE] for 1 sec. to transmit a distress alarm

or alarm testing signal for a speciﬁed time period.

•“ ” appears with the transmit indicator.

•Push [TONE] again to cancel the distress alarm signal

transmission.

•Push [CALL] to return to previous condition.

[TONE]

D Channel clearing

If un-necessary channels are available, the stored fre-

quency can be cleared. The cleared channels are

skipped in the channel mode operation,

q Select desired channel in channel mode. (p. 13)

w Enter VFO mode by pushing [FC] for 1 sec.

•Channel selection with [√ DN]/[UP ∫] is also possible

in the VFO mode.

e Push [0], then [ENT].

r Push [ENT] for 1 sec. (3 beeps are emitted), to clear

the selected channel.

•The “ ” indicator appears.

Note: Blank channels cannot be selected with

[√ DN]/[UP ∫], and channel selector; can only

be selected with the keypad.

Appears when

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Icom IC-78 Manual

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