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E1437A
ASCII Overview and Commands
INPUT:AUTOZERO
Nulls out the input DC offset voltage.
Command Syntax:
INPUT:AUTOZERO
Description:
INPUT:AUTOZERO updates a table of DC offset corrections to be used with each
input setup condition. The applicable correction from this table is automatically
added to the input offset parameter to achieve the correct DC offset value. Because
of the length of time needed to execute this command, it is not automatically called
when the module is reset. Thus, the user program is responsible for explicitly
initiating the autozero. This command should be called at least once after the
temperature of the module has stabilized. The interval between calls after that
depends on the importance of DC accuracy in the user application. It is not
necessary to call the autozero command for every change of input setup parameters
since the correction table maintains values for all setup conditions.
NOTE
Calling INPUT:AUTOZERO aborts any measurement already in progress and
eliminates LO phase coherence and filter synchronization in a synchronous
multi-module system. See the FREQUENCY:SYNC and FILTER:SYNC
commands for details on how to re-establish LO phase and filter synchronization.
See Also
INPUT:SETUP, FREQUENCY:SYNC, FILTER:SYNC
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INPUT:AUTOZERO
command
command
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