ML24xxA Native Commands GPIB Operation
8-48 PN: 10585-00001 Rev. P ML2437A/38A OM/PM
GTSRC (Set Profile Trigger source)
GTTYP (Set profile trigger type)
Syntax: GTSRC <source>
source: INTA, INTB, EXTTTL, MANUAL, CONT
Remarks: INTA = internal sensor A
INTB = internal sensor B
EXTTTL = external BNC TTL trigger input
MANUAL = manual push button trigger
CONT = continuous
MANUAL trigger only functions correctly on non-repetitive sampling,
i.e., the PROFILE PERIOD needs to be 6 ms or greater.
The display shows an ‘x’ marking the trigger point. This trigger point
mark rotates as the profile data is updated, changing between 'x' and '+'
on each data update. On rapid updates, the trigger point mark may
appear like a star (*), as it is rotating so quickly. In manual, external or
GPIB triggered displays, the mark rotates at a slower rate and each true
data update can be seen.
The GTSRC setting is overridden by the Group Execute Trigger GPIB
common command (GET), *TRG, TR0, TR1 and TR2 commands. The
TR3 command will return the system to its previous state if the TR0
(Trigger hold) command has been used.
Query: GTSRC?
Returned String: GTSRC <source>
Syntax: GTTYP <type>
type: RISE, FALL
Remarks: When the profile system trigger source is set to INTA or INTB (Internal
A or B) the ML243xA triggers on a power level (GTLVL) rising or falling.
This command sets the trigger for a rising or falling edge.
Related
commands:
GTLVL, GTSRC
Query: GTTYP?
Returned String: GTTYP <type>
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