GW Instek GDM-906 Series - Page 79

ADVANCED MEASUREMENT
79
Activate
external
trigger
Press the Shift + TRIG key to activate setting
menu of trigger.
Press the F1 (TrigSource) key to enter the
trigger source menu followed by pressing the
F3 (EXT) to select External Trigger mode.
The “EXT” indicator appears on the display.
External Trigger Mode
Set sample
count
1. Under the setting menu of trigger, press
the F2 (SampCount) key to enter the
ensuing setting of Sample Count. Use the
Left/Right arrow keys to move cursor and
scroll the Knob key or press Number keys
to enter the desired counts.
2. Push the Knob key (Enter) or press the F6
(Enter) key to confirm the input value.
Range: 1 ~ 1,000,000
or
Set Trigger
Signal
Background
When utilizing external trigger, select either
positive or negative terminal as the main trigger
source in light of the actual applications.
Press the F5 (TrigSignal) key to toggle between
Positive and Negative mode for Trigger Signal.