Furuno MARINE VHF RADIOTELEPHONE FM-3000 - Manual (Page 44)

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6. Other Functions
6.1 Intercom Operation
The optional Intercom function allows you to talk to the deck
from the cabin. The optional FM-3010
CONTROLLABLE MIC is
required for Intercom operation.
Connect an optional FM-3010 as described on pgs. 41, 64.
• Transmitting is impossible during Intercom operation.
• The received signal is muted during Intercom operation.
q Push [LO/DX]( ) for 1 sec. to enter Intercom mode.
• The FM-3010 power is automatically turned ON, even if the
power is OFF.
w Push and hold [LO/DX] ( ) again to call up.
• The transceiver and microphone emit call beeps.
e Push and hold the PTT switch and speak at a normal voice
level into the microphone.
• “TALK” or “LSTN” appears on the caller or listener function dis-
play, respectively.
• To adjust the FM-3000’s speaker output level, rotate [VOL].
• To adjust the FM-3010’s speaker output level, push after [VOL]
pushing [Y Y]/[Z Z].
r After releasing the PTT switch you can hear the response
through the speaker.
t To return to the normal operation, push [LO/DX] ( )
momentarily.
• Other keys also turn the function OFF, however, the correspond-
ing function is then activated (e.g. pushing [16] ( ) selects
Channel 16).
9
SCR IC
Intercom
INT
INT
TALK
FM-3000 (caller) FM-3010 (listener)
SCR IC
Intercom
INT
INT
FM-3000 FM-3010
SCR IC
1. While in the Intercom mode, the transceiver functions
(transmit and receive) are interrupted. If the transceiver
is in transmit condition, the Intercom function is not avail-
able.
2. When a DSC call is received, “DSC received” ap-
pears and the last received DSC message is displayed
after the Intercom use is finished.
3. When a WX alert is received, “WX ALT” blinks and a
beep sounds. The WX alert sounds after the Intercom use
is finished.