10-13 [:SENSe] Subsystem P25 Phase 1 Commands
10-38 PN: 10580-00319 Rev. N S412E PM
[:SENSe]:DM:SQUelch <value>
[:SENSe]:DM:SQUelch?
Description: Sets the squelch power level. The squelch is only applied to the P25
Analyzer Summary window on the front panel and will blank out (--) all
summary measurements except for Received Pwr when the received
power level is lower than the squelch power setting.
FETCh:SIGAnalyzer?, READ:SIGAnalyzer?, and
MEASure:SIGAnalyzer? will always return all numerical values.
The query will be returned in the units (dBm, Watts, or Volts) selected
through the Rx Units button using the front panel or with the
command: UNIT:POWer:RX. If the Rx Units has been set to dBm, the
squelch setting is returned in dBm. If the unit is set to Watts, the
squelch setting is returned in fW. If the unit is set to Volts, the squelch
setting is returned in fV.
The set command is sent using the units selected with the Rx Units
button on the front panel or with the command: UNIT:POWer:RX. If the
Rx Units has been set to dBm, the squelch setting must be set in dBm.
If the unit is set to watts, the squelch setting must be set in fW. If the
unit is set to Volts, the squelch setting must be set in fV.
Cmd Parameters: <value>
Query Parameters: NA
Range: 0 dBm to -120 dBm or 1 fW to 1000000000000 fW
or 223.6 mV to 223.61 nV
Default Value: -100 dBm or 100 fW or 2.24 μV
Default Unit: dBm or fW or fV
Example: To set the squelch to -10 dBm:
:DM:SQUelch -10
Front Panel Access: Setup, Squelch Lvl
[:SENSe]:DM:FORMat C4FM|CQPSk
[:SENSe]:DM:FORMat?
Description: Sets the modulation type. Please note that setting the modulation type
will restart the sweep.
Cmd Parameters: C4FM|CQPSk
Query Parameters: NA
Range: C4FM|CQPSK
Default Value: C4FM
Default Unit: NA
Example: To set the modulation type to CQPSK:
:DM:FORMat CQPSk
Front Panel Access: Setup, Mod Type
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