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Chapter 4 Command Reference
[:SENSe] Subsystem
Comments
Related
Utility/POWER
Front-Panel
Keys
[:SENSe]:ROSCillator:SOURce:AUTO <Boolean>
Sets or queries the enable for automatically selecting a reference timebase.
When AUTO is ON, the Counter will automatically select the external reference
signal as the reference timebase when a valid signal (1, 5, or 10 MHz) is present at
the Ref In rear-panel connector. Note that the HP 53132A only accepts 10 MHz.
The internal timebase is used when an invalid signal is present at this connector.
When AUTO is OFF, the reference timebase is selected with
[:SENS]:ROSC:SOUR.
Query Response
Comments
Related
Utility/POWER
Front-Panel
Keys
4-94
Execution of the command (that is, explicitly selecting internal or external
timebase) sets [:SENS]:ROSC:SOUR:AUTO to OFF.
The query can be used to determine the current reference timebase when
[:SENS]:ROSC:SOUR:AUTO is ON. That is, the query response will indicate
which timebase (internal or external) has automatically been selected.
This value is unaffected by save/recall.
Single ASCII-encoded byte, 0 or 1.
A value of 0 indicates OFF; a value of 1 indicates ON.
*RST: ON
Explicitly selecting a reference oscillator (with [:SENS]:ROSC:SOUR
INT|EXT) sets AUTO to OFF.
This value is unaffected by save/recall.
Programming Guide
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