2461Type C User Manual
Racal Instruments
1998
Programming The Type C Function Card 4-73
Description:
Selects the start arming source to be used when the 2461 TYPE
C is initiated.
When <CTR_EXTARM> is specified, then if the current source
for the stop arming is TTLTrg, this will be forced to
CTR_EXTARM.
When <TTLTrg> is specified, then if the current source for the
stop arming is CTR_EXTARM, this will be forced to TTLTrg.
If the TTLTrg line specified is already being used for the gate
output signal of one of the 2461 TYPE C boards in the system
(refer to the OUTPut subsystem), then the error –221 is
generated (“Setting conflict”).
If the device is not in the Idle state this command has no effect
on the trigger system and an error –221 is generated (“Setting
conflict”).
Initialization:
*RST IMMediate
Example:
″
ARMing:STARt:SOURce TTLTrg5
″
Selects a TTL trigger line 5 for the start arming.
Interrogative form:
ARMing ([:SEQuence1] | :STARt)[:LAYer]:SOURce?
==> <CTR_EXTARM | TTLTrg<0..7> | IMMediate >
Returns the source of the start arming signal.
****************************************************************
ARMing:(SEQuence2 | STOP) [:LAYer]:SLOPe
<POSitive | NEGative | DEFault>
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