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Trigger setting, Manual/automatic triggering, Use external trigger – GW Instek GDM-8261A User manual User Manual

Page 76

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GDM-8261A User Manual

76

2. Press the Down key. The serial

number is shown on the display.

1st display

Shows 2 characters (AA~ZZ).

2nd display

Shows 6 numbers (000000~99999).

3. Press the Enter key or the Exit

key to go back to the previous
display.

AUTO

ENTER

or

/ EXIT

SHIFT

Trigger Setting

Manual/Automatic Triggering

Automatic
triggering
(default)

The GDM-8261A triggers according to the refresh rate.
See the previous page for refresh rate setting details.

Manual
triggering

Press the Trig key to trigger

measurement manually. See below
for details.

TRIG

Use External Trigger

Background

The GDM-8261A uses the internal trigger by default, for

example to count the frequency and the period. Using an
external trigger allows customized triggering conditions.

Signal
connection

Connect the external trigger signal to the Digital I/O

port located on the rear panel.