Watkins-Johnson Company WJ-8711A, Installation, Operation And Maintenance Manual, Page: 99 / 261

WJ-8711A DIGITAL HF RECEIVER RS-232 REMOTE OPERATION
4-5
Table 4-1. Receiver Device Messages
Command Response Description
ADV Advance to next scan frequency. Operates when WJ-8711-1
is in dwell mode during scan.
AGC nrf
AGC?
AGC nr1 Select gain control mode.
Range:
0 - 3
Where: 0 - Manual
1 - Slow AGC
2 - Fast AGC
3 - Medium AGC
Request active gain control mode.
Reset:
AGC 2
Default: AGC 2
Example: AGC 0
AGD nrf nrf
Field
1
2
AGD? nrf
Parameter
Gain control
mode
Time
(milliseconds)
AGD nr1, nr1
Set decay time for gain control modes.
Where:
1 - Slow AGC
2 - Fast AGC
3 - Medium AGC
If Slow AGC, time range is 1000 to 5000
(rounds up to next lower 500 millisecond step)
If Fast AGC, time range is 10 to 100
(round to next lower 10 millisecond step)
If Medium AGC, time range is 100 to 1000
(round to next lower 100 millisecond step)
Recall the decay time associated with the specified AGC
mode.
Range:
1 - 3
AGD 1, 2000
AGD 2, 20
AGD 3, 200
Example: AGD 1, 2500
AGD 2, 20
AGD 3, 250
AGT nrf
AGT?
AGT nr1
Select AGC threshold mode (Refer to paragraph 4.4.3.1 .).
Range: 0 - 1
Where: 0 - Off
1 - On
Request active gain control mode.
Reset:
AGT 0
Default: AGT 0
Example: AGT 1
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