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參數(shù)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(shù)： | 32/36頁 |
| 文件大小： | 545K |
| 代理商： | OPC-457 |
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TROUBLESHOOTING
7
28
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
No power comes on.
Power cord not connected properly.
Blown fuse.
Check the power cord connection.
Check the polarity of the power connection, then,
replace the fuse.
p. 23
p. 26
No sound comes from the
speaker.
[SQUELCH] is rotated too far clockwise.
Rotate [SQUELCH] counterclockwise to a suit-
able position.
p. 8
[SQUELCH] is rotated too far clockwise.
Antenna feedline or the antenna connector sol-
der has poor contact or is short circuited.
Rotate [SQUELCH] counterclockwise to a suit-
able position.
Check, and if necessary, replace the feedline or
solder the antenna connector again.
p. 8
p. 23
Transmission is restricted on some channels.
Change channels.
p. 29
Desired channel cannot be
selected.
Different channel group is selected.
Push and hold [
CH/WX
U/I/C] to select the ap-
propriate channel group (U.S.A., INT or CAN).
p. 7
No display backlighting.
Backlight function is turned OFF.
While pushing [
HI/LO
DIM], rotate the channel
selector to select the desired brightness.
p. 11
Scan does not start.
No
“
”
channels are programmed.
Set channels to be scanned as
“
TAG
”
channels.
p. 10
Receive signal cannot be un-
derstood.
Voice scrambler has been turned OFF.
Voice scrambler code has not been set correctly.
Install the optional UT-79, then activate the func-
tion.
Reset the scramble code.
p. 8
p. 20
Sensitivity is low and only
strong signals are audible.
Transmitting is impossible or
high power cannot be se-
lected.
No beeps sound even when a
switch is pushed.
Beep function is turned OFF.
Set beeps to ON in SET mode.
p. 20
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