1 Connect the external trigger signal to the
HiLogger's EXT.TRIG external control termi-
nal. (See the connection procedure on P.4 3 )
2 Press SET to open the [System] screen.
3 Set the [External Trig In] to [Trigger] (default
setting).
4 Press SET to open the [Trig & Alm] screen.
5 Set triggering criteria (p. 105).
6 Select the slope for the [Ext trig] [Start] and
[Stop] settings.
Select whether triggering occurs on the trigger sig-
nal's upslope or downslope.
This setting is forced Off when [E
xternal Trig In] is
set to [Event] on the [System] screen.
7 Confirm whether triggering is provided by an
external signal or by shorting the EXT.TRIG
terminal to GND (only when [Ext trig] is set to
[]).
Setting options: ( : default setting)
Off
External triggering is disabled.
Triggering occurs on the upslope from Low
(0 to 1.0 V) to High (2.5 to 5.0 V).
Triggering occurs on the downslope from
High (2.5 to 5.0 V) to Low (0 to 1.0 V), or
when the EXT TRIG terminal is connected
to a GND terminal.
6
3
2
4
6
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