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User's Manual
External Trigger
The external trigger signal is accessed through the EXT TRIG pin on the rear panel (see the
rear panel of the instrument for details).
The external trigger setting includes delay, sampling count, slope and VMC output. The
completed signal is output from the VMC terminal.
Operation Steps
1. Press the
trigger function.
2. Set the slope
Press the [Slope] key and select the polarity to positive or negative. The external trigger
can be set to positive trigger or negative trigger.
3. Set the delay
Press the [Delay] key to select auto or manual.
4. Set the sampling count
Press the [Sampling Count] key to set.
5. Set VMC output
Press the [VMC Output] key to select the positive or negative polarity for the output pulse
signal.
Instruments.uni-trend.com
key, and select [Trigger Source] → [External] to enable the external
Figure 0–53 External Trigger Menu
UT8806E Desktop Digital Multimeter
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