HP 132A Manuel d'utilisateur Page 259

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Chapter 4 Command Reference
Introduction
Programming Guide 4-93
A sequence of ASCII-encoded bytes: ON or OFF
*RST: ON
Use this command when [:SENS]:ROSC:SOUR EXT has been sent.
This value is unaffected by save/recall.
[:SENSe]:ROSCillator:EXTernal:FREQuency?
Queries the frequency value of the external reference oscillator.
Numeric data transferred as ASCII bytes in <NR3> format with six
significant digits.
Range is 1E6 to 10E6.
Units are Hertz.
If the current reference timebase is external but the frequency is not known
(because it is not 1, 5, or 10 MHz and [:SENS]:ROSC:SOUR:AUTO is
OFF), Not a Number 9.91E37 is returned.
If the current reference timebase is internal, Not a Number 9.91E37 is
returned.
Query only.
[:SENSe]:ROSCillator:SOURce INTernal | EXTernal
Sets or queries current reference timebase.
INTernal indicates the timebase is the internal reference. EXTernal indicates the
signal at the external reference input (located on the rear panel of the Counter; Ref
In connector) is the reference timebase.
A sequence of ASCII-encoded bytes: INT or EXT.
Query Response
Comments
Query Response
Comments
Query Response
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