CDR-3250/80 TECHNICAL MANUAL
Table 3-5 Radio Command and Status Messages.
Syntax Reply Description
Issue 2.2 3-61
SK*
Controls the receiver Skip parameter. The * is replaced with a 1 to set or
enable the skip function, and a 0 to clear the skip function. The actual
action depends on the current state of the receiver. If not scanning or
sweeping, SK1 sets the skip flag in the current operating parameters and
SK0 clears the skip flag in the current operating parameters.
If the SK1 command is followed by a store operation, that channel will be
skipped in any subsequent scan or sweep operation. If the command SK1
is given during scan operation and the receiver is dwelling or bridging on
a channel, the skip flag is automatically stored in that channel and the
scan proceeds to the next channel.
If the command SK1 is given during sweep operation and the receiver is
dwelling or bridging on a frequency, that frequency is stored in a table of
sweep skip frequencies and it will be skipped in any further sweep
operations. The command SK0 has no effect if the receiver is sweeping or
scanning.
SK?
Request current Skip Flag status.
SMbbbbbbbb
Set the SRQ mask byte (IEEE-488 interface only). Controls the generation
of the SRQ message for each of the conditions in the Serial Poll response
byte. Each b represents one bit in the Serial Poll. See paragraph 3-9.4 for
a description of the Serial Poll response byte. For each b character that is
replaced with a 1, that bit will allowed to generate an SRQ. Bits replaced
with a 0 will not be allowed to generate an SRQ. The default condition at
power on is to allow all bits to generate SRQ.
SN? SNxy
Request Scan/Sweep Status: The character x will be replaced with one of
the following:
C when the receiver is currently scanning (even if stopped)
W when the receiver is currently sweeping (even if stopped)
N when the receiver is not scanning or sweeping
The character y will be replaced with one of the following:
D when the scan or sweep is dwelling
B when the scan or sweep is bridging
S when the scan or sweep is stopped
N when the scan is not dwelling, bridging, or stopped
SP
StoP the Scan or Sweep operation in progress but save parameters.
SR####
Set the step rate for sweep and scan operations to #### milliseconds
per step. Legal values range from 10 to 5000.
SR?
Request the current Step Rate.
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