Combined RF Upconverter/Downconverter
IEEE 488.2 Command Reference
6.10 *SDS
<
NRf
>
The
*SDS
(Save Default device Settings) command restores the specified state of the QM1004-0.5-18
Combined RF Upconverter/Downconverter to the default state settings. There are 5 re-writeable mem-
ory locations, specified by choosing an index between 1 and 5. The parameters restored are the
RF
Power State, Reference Frequency, External LO1 Enabled, External LO1 Switch Override, External LO2
Enabled, External LO2 Switch Override, External Reference Enabled, External Referece Switch Override,
Tune Frequency, Upconverter Bypass Enabled, Upconverter LNA Power State, Upconverter Attenuation
1, Upconverter Attenuation 2, Upconverter ASR State, Downconverter Bypass Enabled, Downconverter
LNA Power State, and Downconverter Attenuation
. For a detailed description of the parameters saved,
see the relevent command descriptions in this manual. Issuing this command does not change the cur-
rent settings. NOTE: The MEM_CLR button on the back panel will rewrite the contents of states 1-5 with
the contents of state 0 when depressed, serving as a reset to factory defaults.
Syntax
*
SDS
Space
NRf
Allowed Values
The
NRf
parameter can be any integer in the range of 1 to 5.
Error Message
If the parameter is not in the recognized format, error
-102, "Syntax error"
occurs.
If the parameter is less than 1 or greater than 5, error
-222, "Data out of range"
occurs.
Quonset Microwave
Revision 1.2.1
85