Other Functions; Intercom Operation - Icom IC-M504 Instruction Manual

7

OTHER FUNCTIONS

■ Intercom operation

The optional Intercom function allows you to talk to the deck
from the cabin. The optional command microphone is re-
quired for Intercom operation.
Connect an optional command microphone as described on
p. 63.
• Transmitting is impossible during Intercom operation.
• The received signal is muted during Intercom operation.
q Push and hold [LO/DX•IC•SCRM] for 1 sec. to enter In-
tercom mode.
• The optional command microphone power is automatically
turned ON, even if the power is OFF.
Push and hold
INTERCOM
IC-M504/HM-162
w Push and hold [LO/DX•IC•SCRM] for 1 sec. again to call
up the optional command microphone side.
• The transceiver and the optional command microphone emit
call beeps.
50
for 1 sec.
HM-157
e Push and hold [PTT] and speak at a normal voice level
into the microphone.
• "TALK" or "LISTEN"* appears on the caller or listener func-
tion display.
* " " or " " appears on the HM-157.
• To adjust the IC-M504's speaker output level, rotate [VOL].
• To adjust the HM-162's speaker output level, rotate [SELEC-
TOR] after pushing [VOL] on the HM-162.
• To adjust the HM-157's speaker output level, push [Y] or [Z]
after pushing [VOL•
PA/RX
DIM
INTERCOM
TALK
IC-M504 (caller)
r After releasing [PTT] you can hear the response through
the speaker.
t To return to the normal operation, push [LO/DX•IC•SCRM]
momentarily.
• [16•9] key is also available.
] on the HM-157.
INTERCOM
LISTEN
HM-162 (listener)
HM-157 (listener)