A.7.1.14 screen saver timeout, A.7.1.15 vfd brightness, A.7.1.16 reference oscillator tuning – Comtech EF Data DT-4500-A Series User Manual
Page 121: A.7.1.17 converter slope adjustment
DT-4500-A Series Downconverters
Revision 1
Appendix A
MN-DT4500A
A–11
A.7.1.14 Screen Saver Timeout
This legacy command does not control any hardware, but its syntax is still supported to allow
backwards compatibility with existing monitor and control applications. The default screen saver
timeout is 05.
Command
Details
Set SST:
<DEV/SST_xx'cr' xx = 00 to 99
Confirmation:
>DEV/SST_xx'cr''lf']
Retrieve SST:
<DEV/SST_'cr'
Confirmation:
>DEV/SST_xx'cr''lf']
A.7.1.15 VFD Brightness
The VFD command allows the front panel brightness to be adjusted from 0% to 100% in 25%
steps. The default VFD brightness is 100.
Command
Details
Set VFD:
<DEV/VFD_xxx'cr' xx = 000 to 100 (in 025 steps)
Confirmation:
>DEV/VFD_xxx'cr''lf']
Retrieve VFD:
<DEV/LCD_'cr'
Confirmation:
>DEV/VFD_xxx'cr''lf']
A.7.1.16 Reference Oscillator Tuning
The default reference oscillator tuning value is 087.
Command
Details
Set Oscillator:
<DEV/SRO_xxx'cr' xxx = 0 to 255
Confirmation:
>DEV/SRO_xxx'cr''lf']
Retrieve Tuning:
<DEV/SRO_'cr'
Confirmation:
>DEV/SRO_xxx'cr''lf']
A.7.1.17 Converter Slope Adjustment
The default slope adjustment value is 0.3.
Command
Details
Set Slope Adjust:
<DEV/SSA_xxx'cr' xxx = 0.0 to 1.0
Confirmation:
>DEV/SSA_xxx'cr''lf']
Retrieve Slope Adjust:
<DEV/SSA_'cr'
Confirmation:
>DEV/SSA_xxx'cr''lf']