QM1004-8-12-100 Combined RF Upconverter/Downconverter
User Manual
3. POWEr Subsystem Command Reference
3.1 POWEr:CH1:ATTENuation <numeric value>
This command allows the user to set the RF attenuation level of the QM1004-8-12-100 upconverter to a
specified numeric value. The range of acceptable attenuation values is 0 - 31.5 dB in 0.5 dB steps.
Syntax
:
POWE
:
CH1
:
ATTEN
Space
Numeric Value
?
Example
:POWE:CH1:ATTEN 31.5
This command sets the upconverter attenuation to 31.5 dB
Default Condition
On power up, or when a
*RST
command is issued, the QM1004-8-12-100 upconverter attenuation level
returns to the boot state’s setting. The Combined RF Upconverter/Downconverter default setting is 0.
Query
:POWE:CH1:ATTEN?
This query returns the current upconverter attenuation level
.
Error Message
If the parameter is not in the recognized format, error
-102, "Syntax error"
occurs.
If the parameter is less than 0 or greater than 31.5, error
-222, "Data out of range"
occurs.
Quonset Microwave
Revision 2.0.0
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