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Programming Reference
SCPI Instrument Command List
Description
Use this command to set/read the pulse frequency. Select the frequency
source for the pulse frequency using
:TRIGger:SOURce
. The currently
selected source is programmed by this command. Note that the specified
limits and available resolution depend on the selected source.
You cannot set the pulse frequency if you have selected the CLK IN
connector as the frequency source (
:TRIG:SOUR EXT
).
Example
:TRIG:SOUR INT
Select internal PLL as pulse trigger
:FREQ 75MHz
Set pulse frequency to 75 MHz
Command
:FREQ:AUTO
Long
[:SOURce]:FREQuency[:CW][:FIXed]:AUTO
Form
Event
Parameter
ONCE
*RST value
Not applicable
Description
Use this command to measure the frequency at the CLK IN connector. If
the CLK IN connector is the selected pulse frequency source, you can
then read the measured value with
:FREQ?
Example
:TRIG:SOUR EXT2
Select ext CLK IN as pulse trigger
:FREQ:AUTO ONCE
Measure frequency at CLK IN
:FREQ?
Query pulse frequency
Command
:HOLD
Long
[:SOURce]:HOLD
Form
Set & Query
Parameter
VOLTage | CURRent
*RST value
VOLT
Description
Use this command to enable either of the
[:SOURce]:VOLTage
or
[:SOURce]:CURRent
subsystems.
You can control the signal levels of the instrument OUTPUTs in terms of
voltage or current.