Tektronix TDS5000B Series

TDS5000B Online Programmer Guide
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ROSc:STATE?
Description
This query--only command returns the state of the 10 MHz timebase
reference. This command will return either LOCKED or UNLOCKED.
Group
Miscellaneous
Related Commands
ROSc:SOUrce
Syntax
ROSc:STATE?
Example
ROSc:STATE?
This query might return
:ROSC:STATE LOCKED
indicating that the state of the 10 MHz timebase reference is locked.