
QM1004-0.5-18 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, 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, Up-
converter Bypass Enabled, Upconverter LNA Power State, Upconverter Attenuation 1, Upconverter At-
tenuation 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. 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 1.2.1
61
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