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參數(shù)資料
| 型號(hào)： | 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)： | 20/36頁 |
| 文件大?。?/td> | 545K |
| 代理商： | OPC-457 |
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4
DIGITAL SELECTIVE CALLING
16
I
Receiving DSC calls
Several types of DSC transmissions can be received. The re-
quired action depends on the particular DSC type as outlined
in the following examples. However, in all examples, you must
be monitoring channel 70 in order to receive such signals.
NOTE:
When channel 70 is set as a tag channel and scan
is functioning, DSC calls will not be received. DSC calls
can only be received when channel 70 is selected.
D
Receiving a distress call
While monitoring channel 70 and a distress call is received:
Emergency alarm sounds.
“
RCV
”
and
“
dTR
”
appear in
the display; then, channel 16
is automatically selected.
Push [16] to stop the alarm.
Continue monitoring channel
16 as a coast station may re-
quire assistance in any rescue attempt.
INT
INT
RCV
BUSY
RCV
LOW
D
Receiving a distress relay call
A distress relay call may be transmitted from a large ship to a
coast station. While monitoring channel 70 and a distress
relay call is received:
Emergency alarm sounds.
“
RCV
”
and
“
RLY
”
appear in the
display; then, channel 16 is
automatically selected.
Push [16] to stop the alarm.
Monitor channel 16 until the
emergency
has been completed.
communication
D
Receiving an all ships call
While monitoring channel 70 and an all ships call is received:
Emergency alarm or beeps
sound depending on the re-
ceived category.
“
RCV
”
and
“
ALL
”
appear in the
display; then, the channel
speci
fi
ed by the calling station
is automatically selected for
voice communications.
Monitor the selected channel for an announcement from
the calling vessel.
INT
INT
RCV
BUSY
RCV
LOW
INT
INT
RCV
BUSY
RCV
LOW
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