
QM1004-2-18 Combined RF Upconverter/Downconverter
User Manual
5. SYSTem Subsystem Command Reference
5.1 SYSTem:BOOTstate [0-5]
This command specifies a previously saved state to be loaded upon device startup. In addition to factory
default state 0, there are 5 re-writeable memory locations. Any of these 6 boot states can be selected by
choosing an index between 0 and 5. The restored parameters 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, Upcon-
verter Attenuation, Downconverter Attenuation
. For a detailed description of the parameters saved, see
the relevent command descriptions in this manual. When this command is issued, the selected state will
be loaded on the next power cycle or by issuing the
*RST
command.
Syntax
:
SYST
:
BOOT
Space
0-5
?
There are 6 memory locations, numbered 0 through 5. Memory location 0 contains the factory default
settings, while locations 1-5 are user re-writeable using SYSTem:BOOTstate.
Example
:SYST:BOOT 1
This command specifies state 1 to be loaded upon device powerup.
Default Condition
The factory default setting for
SYST:BOOT
is 0.
Query
:SYST:BOOT?
This query returns a 0 - 5 to indicated the Combined RF Upconverter/Downconverter
selected boot state.
∙
0
is returned if the selected boot state is
0
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 5, error
-222, "Data out of range"
occurs.
Quonset Microwave
Revision 6.1.0
55