Programming Manual 58
When power to the receiver is removed and reapplied, the status output
interval resets to zero (no output). The status message output by the SBX,
as initiated using this command, is the CRMSS message response discussed in
Section 7.9.
7.2.1.2 Automatic Beacon Search Command ($GPMSK)
This command initiates the SBX automatic mode of operation in which the
receiver operates without operator intervention, selecting the most
appropriate beacon station. This command has the following format:
$GPMSK,,A1,,A2,n<CR><LF>
The internal SBX will reply with the following response:
$PCSI,ACK,GPMSK,,A,,A,n<CR><LF>
Field Description
A1 Designates automatic frequency selection
A2 Designates automatic MSK bit rate selection
n Period of output of performance status message, 0 to 100 seconds ($CRMSS)
The SBX provides the above response to this variety of $GPMSK message,
and immediately tunes to the optimum beacon station in automatic mode,
provided a valid beacon almanac is present in receiver memory. Without a
valid almanac, the beacon receiver will perform a Global Search to identify
candidate stations in the area, followed by the acquisition phase of the initial
search.
When power to the receiver is removed and reapplied, the status output
interval resets to zero (no output). The status message output by the SBX,
as initiated using this command, is the CRMSS message response discussed in
Section 7.9.
7.3 $PCSI,0
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