System Commands 5
ACQUISITION
TRIG_LEVEL, TRLV
Command/Query
DESCRIPTION
COMMAND SYNTAX
The TRIG LEVEL command adjusts the trigger level of the speci-
fied trigger source. An out-of-range value will be adjusted to the
closest legal value and will cause the VAB bit (bit 2) in the STB
register (Table 8, page 137 ) to be set.
The range of values is as follows:
-4-
5 times the total V/div setting - with CHAN 1, 2 or 4 as
trigger source.
-4-2 V with EXT as trigger source (-4- 0.8 V in 9424E)
-4-
20 V with EXT/10 as trigger source.
The TRIG_LEVEL? query returns the current trigger level.
<trig_source>:TRig_LeVel <trig_level>
2-channel
4-channel 4-channel
oscilloscopes
with Ext trigger without Ext trigger
<trig_source> := {C1,C2,EX,EX10}
{C1,C2,EX, EXIO
&}
{C1,C2,C4}
QUERY SYNTAX
Response format
EXAMPLE (GPIB)
RELATED COMMANDS
<trig_level> := -20V to 20V (maximum range)
Note: The suffix V is optional.
<trig_source>:TRig_LeVel?
<trig_source>:TRig_LeVel <trig_level>
The following command adjusts the trigger level of Channel 2 to
-3.4 V.
CMD$="C2:TRLV -3.4V": CALL IBWRT(SCOPE%,CMD$)
TRIG_SELECT
&" Not available In 9424E
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