Query reference clocks (time base) statuses.
Query syntax
:ROSCillator:STATE?
Query response format:
<used_ref_status>, <int_ref_status>, <ext_ref_status>
Where
<used_ref_status> is one of INT, EXT or FAIL
<int_ref_status> is one of OK, FAIL
<ext_ref_status> if one of 1MHz, 5MHz, 10MHz, FAIL
Description
This query provides extensive information about currently used reference clocks and the state of internal and external reference clock signals. The response contains 3 fields separated by commas.
First field indicates which time base is currently in use: internal (INT), external (EXT) or none (FAIL).
Second field indicates status of internal time base reference: OK or FAIL.
Third field indicates whether external reference signal is connected (1MHz, 5MHz or 10MHz) or not (FAIL).
Example:
SEND → :ROSC:STATE?
READ ← EXT, INT OK, EXT 10MHz