Watkins-Johnson Company WJ-8711A, Installation, Operation And Maintenance Manual

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WJ-8711A DIGITAL HF RECEIVER RS-232 REMOTE OPERATION
4-15
Table 4-1. Receiver Device Messages
(Continued)
Command Response Description
SQL nrf
SQL?
SQL nr1 Set squelch level in negative dBm.
Range: 0 to 135, 136 = squelch off
Request the squelch level setting in -dBm
(136 = squelch off).
Example: SQL 90
Reset: SQL 136
STO nrf OPR nr1 Store front panel parameters to selected memory channel.
Range: 0 to 99
STS? Request current receiver parameters.
Example:
FRQ 12.34567,AGC 2,RFG 123,BFO -1234,
BLK 10,BWS 5,DET 1,SLQ 123,SPK 1,
RFP 2,PBT 1250
Field Parameter Range
1 Tuned Frequency (FRQ) 00.000000 to 30.000000 MHz
2 Detection Mode (DET) 1 to 6
3 Bandwidth Number (BWN) 001 to 066 (see BWN command)
4 AGC Mode (AGC) 0 to 3
5 Remote Manual Gain Level (RFG) 000 - 127
6 BFO Frequency in kHz (BFO) -8000 to +8000 Hz
7 Blanking Setting (BLK) 0 to 10
8 Squelch Threshold (SQL) 0 to 135 -dBm
136 = no squelch
9 Speaker Type (SPK) 1 to 3
10 RF Input Path (RFP) 1 to 3
11 Passband Tuning Offset (PBT) -2000 to +2000 Hz
12 Notch Filter Mode (NFM) 0 to 3
13 Notch Filter Setting (NFR) -9999 to +9999 Hz
SUS
Suspend scan command. Suspends scan in the same manner
as the front panel "pause" key pauses scan. Scan may be
continued using the ENA command.
ULK nrf Unlock selected lockout memory channel.
Range: 0 to 99
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