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type:
RISE
FALL
Remarks:
Sets the control type of the external trigger input used when the trigger
source is set to EXTTTL in READOUT or POWER vs. TIME mode.
Select channel 1, 2 or 1&2. Selecting 1&2 allows both channels to trigger
together on the same conditions without having to set up two sets of trig
-
ger data. If external trigger is used on both trigger channels (1 and 2) the
same TTL edge MUST be used on both channels.
Query:
TRGXTTL? <c>
Returned
String:
TRGXTTL <c>,<type>
The TRG type commands return the trigger state of the selected channel if
the channel is ON. This depends on the settings of the “link triggers” flag
and the current mode of the sensor on the selected channel. If the channel
is OFF, the stored trigger state of the channel is returned.
VZERO Zero the BNC input connector
CALIBRATION
Syntax:
VZERO
Remarks:
Zeros the multipurpose BNC connector used for Volts per GHz connection
(Analog Input 2). This will calibrate the units to read zero volts on this BNC.
During this operation the connector should either not be connected to any-
thing, or should be connected to a 0 Volt source. A settling time must be al
-
lowed after this command before reading any other commands.
ZERO Zero the selected sensor
CALIBRATION
Syntax:
ZERO <s>
s:
A or B
Remarks:
Zero out the noise from the selected sensor.
6-82 ML2430A OM
ML24XXA NATIVE COMMANDS GPIB OPERATION