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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)： | 19/36頁 |
| 文件大?。?/td> | 545K |
| 代理商： | OPC-457 |
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4
DIGITAL SELECTIVE CALLING
15
I
Individual call transmission
The individual call function allows you to transmit a DSC sig-
nal to a speci
fi
c party only.
Set the ID code for the individual you wish to call in ad-
vance.
This code is input into the address item in SET mode. (p. 19)
Select the traffic channel (for
voice communication after the
individual call is sent).
Select a simplex channel (some
‘
A
’
channels cannot be used) for ship-to-ship contact.
Select a duplex channel for ship-to-coast contact.
Rotate [SQUELCH] clockwise until the audio noise disap-
pears.
While pushing [
9
ALL/IND] rotate the channel selector to
select
“
Ind
”
as at right.
When no address ID is pre-programmed,
“
Ind
”
cannot be selected.
Push and hold [
9
ALL/IND]
until you hear 4 short beeps
change to one long beep.
The display changes as at right.
When
“
ALL
”
appears instead of
“
Ind,
”
rotate the channel selector
to select
“
Ind
”
while pushing [9
ALL/IND].
Push [PTT] momentarily to transmit the individual call.
“
HIGH
”
power is automatically selected while transmitting the call.
Standby on channel 70 until an acknowledgement is re-
ceived.
When the acknowledgement is
received, the display changes
as at right.
Beeps sound.
The channel set in step
is se-
lected.
Push and hold [PTT] to communicate your message to the
responding party.
NOTE:
Unable to comply
When the received acknowl-
edgement includes
“
unable to
comply,
”
the message display
changes as at right. In such a
case, wait at least 5 min. be-
fore re-transmitting the call.
NOTE:
Channel busy error indication
The same as for the all ships call. Refer to the page oppo-
site for details.
USA
LOW
LOW
USA
USA
LOW
USA
BUSY
USA
ACK RCV
ACK RCV
USA
USA
ACK RCV
ACK RCV
LOW
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