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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)： | 21/36頁 |
| 文件大小： | 545K |
| 代理商： | OPC-457 |
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D
Receiving a geographical area call
While monitoring channel 70 and a geographical area call (for
the area you are in) is received:
Emergency alarm or beeps
sound depending on the re-
ceived category.
“
RCV
”
and
“
GEO
”
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 ship.
NOTE:
When no GPS receiver is connected or if there is a
problem with the connected receiver, all geographical area
calls are received, regardless of your position.
D
Receiving an individual call
When receiving an individual call, an acknowledgement must be
sent back to the calling station within 4.5 min. Operation and
transceiver function differs depending on the SET mode settings.
Two messages can be selected for acknowledgement:
“
Able to comply
”
..............You can communicate with the
calling vessel via the mic after a DSC connection.
“
Unable to comply
”
...........You cannot communicate with
the calling vessel after a DSC connection
(e.g. opera-
tor leaves transceiver).
While monitoring channel 70 and an individual call is
received:
Emergency alarm or beeps sound depending on the re-
ceived category.
“
RCV
”
and
“
Ind
”
appear in the
display.
The channel specified by the
calling station is automatically
selected for checking the
channel condition (except
when full automatic acknowl-
edgement is selected).
Proceed as follows on the next page according to your pre-
set conditions.
4
DIGITAL SELECTIVE CALLING
17
USA
RCV
BUSY
USA
LOW
RCV
RCV
USA
USA
RCV
BUSY
LOW
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