Ml24xxa native commands gpib operation – Anritsu ML2430A User Manual

Page 135

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Syntax:

GTLVL <val>

val:

–30 to +20 dBm

Remarks:

When the system trigger in profile mode is set to either INTA or INTB (in-
ternal sensor A or B) it will trigger on a power level given by the sensor.
This command sets the level.

Related

Commands:

GTSRC, GTTYP

Query:

GTLVL?

Returned

String:

GTLVL <val>

GTSRC

Set Profile Trigger source

TRIGGER

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 6ms 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 com-
mon 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>

6-48

ML2430A OM

ML24XXA NATIVE COMMANDS

GPIB OPERATION

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