
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 QM1004-2-18
Combined RF Upconverter/Downconverter to the default state settings. There are 5 re-writeable memory
locations, specified by choosing an index between 1 and 5. The parameters restored are the
RF Power
State, LNA Power State, Reference Frequency, External Reference Enabled, External Referece Switch
Override, Tune Frequency, External LO1 Enabled, External LO1 Switch Override, LO1 PLL Mode, LO1
Reference Divider, Upconverter Attenuation, 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 current 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 6.1.0
77