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OUTPut
The OUTPut subsystem controls which output path (if any) will receive the
synchronization pulses generated by the HP E1429. Sync pulses can be sent to the
"Ext 1" BNC, the VXI TTL trigger lines, the VXI ECL trigger lines, or any
combination of these three.
Subsystem
Syntax
OUTPut
:ECLTrg<
n
>
:FEED<
source
>
[:STATe] <
mode
>
:EXTernal[1]
:FEED<
source
>
[:STATe] <
mode
>
:TTLTrg<
n
>
:FEED<
source
>
[:STATe] <
mode
>
:ECLTrg<
n
>:FEED
OUTPut:ECLTrg<n>:FEED <source> specifies the source for the
synchronization pulse which will be routed to ECLTrg0 and/or ECLTrg1. The
available sources are:
“EXTernal[1]”: Outputs the signal currently specified by the
OUTPut:EXTernal[1]:FEED command with the polarity inverted.
OUTPut:EXTernal1:STATe ON must be set for output to occur. See the
OUTPut:EXTernal[1]:FEED command for descriptions of the possible sources.
“[SENSe[1|2]]:ROSCillator”: The signal level will go high with the falling
edge of an external reference oscillator (SENSe:ROSCillator:SOURce
EXTernal), and will go high with the rising edge of all other reference oscillator
sources: SENSe:ROSCillator:SOURce (INT | ECLT<n> | CLK10). When the
output state is enabled, the signal is output as soon as this feed is selected, and
will be output continuously until the feed source is changed to some other
selection.
“TRIGger[:STARt|:SEQuence[1]]”: Outputs an approximately 25
nanosecond wide positive going pulse each time a convert pulse (TRIGger) is
sent to the A to D converter.
242 Command Reference OUTPut Subsystem