Optional Microphones (Hm-154); Panel Description - Icom IC-2820H Instruction Manual

■ Optional Microphone
q
q PTT SWITCH
Push and hold to transmit; release to receive.
w UP/DOWN KEYS [UP]/[DN]
➥ Push either key to change operating frequency, mem-
ory channel, set mode setting, etc.
➥ Push and hold either key for 1 sec. to start scanning.
(p. 75)
e UP/DN LOCK SWITCH
Slide to toggle [UP]/[DN] keys function ON and OFF.
(HM-154)
w
ON
e
OFF
(pgs. 17, 61, 98)

PANEL DESCRIPTION

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