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參數資料
| 型號： | OPC-457 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | VHF MARINE TRANSCEIVER |
| 中文描述： | 甚高頻海洋收發(fā)器 |
| 文件頁數： | 12/36頁 |
| 文件大?。?/td> | 545K |
| 代理商： | OPC-457 |
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3
BASIC OPERATION
8
I
Receiving
Rotate [PWR/VOL] to turn power ON.
Rotate [SQUELCH] fully counterclockwise.
Adjust [PWR/VOL] to a suitable listening level.
Rotate [SQUELCH] clockwise until the audio noise disap-
pears.
Select the desired channel. See pgs. 6
–
7 for details.
When a signal is received:
The squelch opens;
Audio is emitted from the speaker;
“
BUSY
”
appears in the function dis-
play.
When an interrupting signal is received; rotate [SQUELCH]
deeply clockwise.
D
Voice scrambler function
For confidential communications, use the optional voice
scrambler function. All members of your group must have the
UT-79
VOICE SCRAMBLER UNIT
installed in order to communi-
cate using this function.
While pushing [HI/LO], push
[CH/WX] to toggle the function ON
and OFF.
“
SCRM
”
appears when the function is ON.
This function cannot be used on CH 16.
Set the scramble code in SET mode in advance (p. 19).
BUSY
USA
SCRM
D
Dual/tri-watch functions
These functions allow you to conveniently check the distress
channel (ch 16) or, both the distress and pleasure call chan-
nel (ch 9; programmable) while receiving another channel.
When receiving a signal on one of these channels, the trans-
ceiver stops on the channel until the signal disappears.
Push [DUAL
TRI
] momentarily for dualwatch.
Push and hold [
DUAL
TRI] for tri-watch.
USA
DUAL
USA
DUAL
BUSY
Checking channel 16
every 2 sec.
When receiving a signal
on channel 16. Channel
16 is monitored until the
signal disappears.
USA
TRI
CALL
TRI
BUSY
USA
TRI
BUSY
Checking channel 16
and the call channel
every 2 sec.
When receiving a signal
on channel 16, channel
16 has priority.
When receiving a signal
on the call channel, the
call channel is monitored
while checking ch 16 in
2 sec. intervals.
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