Furuno MARINE VHF RADIOTELEPHONE FM-3000 - Manual (Page 68)

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13. FM-3010 CONTROLLABLE MIC
13.10 Optional Voice Scrambler
Operation
13.10.1 Activating the Scrambler
q Select an operating channel,
except for Channel 16, Chan-
nel 70 or weather channels.
w While pushing [H/L], push
[LO/DX] ( ) to turn the
Voice scrambler function ON.
• “SCRM” appears.
e To turn the Scrambler func-
tion OFF, repeat step w.
• “SCRM” disappears.
13.10.2 Programming scramble codes
There are 32 codes (01 to 32) available with the FM-3030 for
programming. In order to understand one another, all trans-
ceivers in your group must have the same scrambler code.
The scrambler code is programmed in Set mode. See pgs. 9,
40 for details.
13.11 Dualwatch/Tri-watch
Operation
q Push [Y Y]/[Z Z] to select the desired channel.
• Push [CH/WX] ( ) several times while pushing [H/L] to
select the channel group (USA, INT, CAN), if desired.
w Push [CH/WX]
( U/I/C) for 1 sec. to start Dualwatch or
Tri-watch.
• “DUAL” appears during Dual-
watch; “TRI” appears during Tri-
watch.
• A beep tone sounds when a sig-
nal is received on Channel 16.
• Tri-watch becomes Dualwatch
when receiving a signal on call
channel.
• Dualwatch or Tri-watch can be
selected in the transceiver’s Set
mode.
e To cancel Dualwatch/Tri-watch, push [CH/WX] ( )
again.
U/I/C DW
DW
U/I/C DW
SCR IC
Appears when the Voice
scrambler function is in use
Appears when the Dual or
Tri-watch function is in use.