GW Instek GDS-122 User Manual - Manual (Page 14)

Using the Oscilloscope
27
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Configuring trigger settings: general settings
Overview The trigger settings configure how the incoming
signal is triggered. The general settings section
describes how to start and stop triggering, adjust
the level, and change the trigger mode.
• For edge triggering details, see page
128H
30.
• For video triggering details, see page
129H
33.
Status Shows the triggering status in the icon
appearing in the upper right corner of
the display.
Run/Stop Controls starting and stopping the
trigger.
Level Adjusts the vertical and horizontal
level on which the waveforms are
triggered.
Trigger status The trigger status icon is located at the top right
corner of the display.
Trig’d The trigger condition is met.
AUTO The GDS‐122 is showing the input signal
waveform regardless of trigger
condition. Available in the Auto trigger
mode in edge triggering (page
130H
30).
Ready The trigger condition is not met, and the
GDS‐122 is waiting for the next
condition. Available in the Normal
trigger mode in edge triggering (page
131H
30).
Scan The GDS‐122 is showing the input signal
waveform regardless of trigger
condition. The waveform is gradually
updated from the left side of the display.
The GDS‐122 automatically switches to
the Scan when the horizontal scale is at
100ms/div or longer.
STOP Triggering is stopped regardless of the
trigger condition. In order to restart
GDS-122 User Manual
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triggering, you have to press the
RUN/STOP key again (in single trigger
mode) or switch to another trigger mode.
Horizontal scale vs. trigger status
100ms/div 5s/div 5ns/div
STOP
AUTO
Trig’d
Ready
Scan
Run/Stop Pressing the Run/Stop key once stops
triggering at most situations and
changes the trigger icon to STOP. RUN/STOP
STOP
In the single trigger mode in edge triggering
(page
132H
30), pressing the RUN/STOP key works as
both activating and deactivating trigger.
Trigger level Press the OSC OPTION key
repeatedly until the following menu
appears on the display. OSC
OPTION
– Time
– Trig
Trigger level indicators
Trigger level
(horizontal)
Trigger level
(vertical)