BNC 1105 Universal Counter - Manual (Page 55)

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LOW, MED (medium) and HIGH as shown in the Figure 4-21.
Figure 4-21
To set Com.: The setting is enabled only by using Time Interval as
shown in the Figure 4.22. To toggle the softkey Com. OFF, sources
will be inputted to the CH1 and CH2 individually as the Time Interval
is working. To toggle the softkey Com. ON, sources will be supported
via CH1 only as the Time Interval is working.
Remote Interface Command
To turn on/off auto triggering
[:SENSe]:EVENt[1|2]:LEVel[:ABSolute]:AUTO ON|OFF
To set trigger level
[:SENSe]:EVENt[1|2]:LEVel[:ABSolute] <numeric value> [v]
[:SENSe]:EVENt[1|2]:LEVel:RELative<numeric value> [PCT]
To set sensitivity
[:SENSe]:EVENt[1|2]:HYSTeresis:RELative 100|50|0
To specify triggering slope/edge
[:SENSe]:EVENt[1|2]:SLOPe POSitive|NEGative
To set common
[:SENSe]:EVENt2:FEED “[:]INPut[1] | [:]INPut2”
Using Com. to Make Time Interval (TI) Measurement on a Single
Signal
As described in Ch.3.3, Interval 1 to 2 measures the length of the
duration between a start event on channel 1 and a stop event on channel
2. And users also can do the settings on level, slope or sensitivity for
application purposes. One may also follow the following instructions such
that the start and the stop events are triggered from the same source
connected to one of the two channels:
1. Connect a signal source to channel 1 (or 2).