Selective Calls - alerting other stations
Selcall is a digital system of signalling between HF transceivers. Each transceiver is
assigned an individual ID (identification) and can be called using this ID.
Note:- For selcall functions to operate the transceiver must be fitted with the selcall /
telcall option and the channels enabled for selcall operation.
If ALE is in used refer to the ALE section for details on the integration of the ALE
and normal selcall.
- select the channel on which to send the selcall.
- listen for traffic on that channel, if no traffic is heard then continue.
- press the key.
- enter the desired destination ID using the numeric keys.
Note:- If you don’t enter a new destination ID at this stage and proceed to the next
step he default destination ID ( the last received selcall callers ID or the last
selcall sent ID) will be sent.
- press the key.
- wait for the selective call to be sent.
- listen for revertive tone from the called station that indicates the call was
successful.
Destination ID range is from 0000 to 9999 inclusive (the destination ID be 4 digits
long)
will be decoded by stations X000 - X999 (up to 1000 stations)
will be decoded by stations XX00 - XX99 (up to 100 stations)
will be decoded by stations XXX0 - XXX9 (up to 10 stations)
*Note: Only available if the destination unit has all call, group call or sub-group call
enabled.
Selcall
Sending a selcall
Entering the desired destination ID
must
All call*
Group call*
Sub-group call*
t
BARRETT 950 HF TRANSCEIVER
PAGE 12
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