GW Instek GDS-122 User Manual - Manual (Page 28)

Using the Oscilloscope
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Recalling waveforms
Overview Up to four waveforms can be stored in and
recalled from the GDS‐122 internal memory. The
stored waveform can be used for reference,
comparison, or analysis.
Memory Four memories: waveform A, B, C, and D.
Source CH1, CH2, Math waveform
Panel operations 1. Press the MENU key and
select the WAVE SAVE menu
using the Up/Down keys.
WAVE SAVE MENU
2. Press F2 (Wave) repeatedly
and select the waveform you
want to recall.
A
Wave
F2
3. Press F4 to turn on the
waveform. The waveform
appears in the display.
OFF
Show
F4
Note The recalled waveform maintains its original
horizontal scale and vertical scale, which are
shown in the top left corner of the display.
Changing the current scale does not affect the
recalled waveform’s shape.
GDS-122 User Manual
56
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Menu Tree / Operation Shortcuts
Accessing
menus
The following menu trees are
accessible by pressing the MENU
key followed by Up/Down keys,
except for the OSC OPTION key
(page
180H
60).
MENU
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Trigger
Edge
TYPE
Falling
Slope
CH1
Source
Single
Mode
DC
Coupling
TRIG MODE
Video
TYPE
Normal
Polarity
CH1
Source
Line
Sync
Rising CH2
Auto
Normal
AC
LF Rjc
HF Rjc
Inverted Field CH2
RUN/STOP
F1 F2 F3 F4 F5
F1 F2 F3 F4
Select run or stop mode RUN/STOP key
Select edge or video trigger TRIG MODE→F1(TYPE)
Select trigger slope TRIG MODE→F1(edge)→F2(Slope)
Select trigger source TRIG MODE→F1→F3(Source)
Select trigger mode TRIG MODE→F1(edge)→F4(Mode)
Select trigger coupling TRIG MODE→F1(edge)→F5(Coupling)
Select video polarity TRIG MODE→F1(video)→F2(Polarity)
Select video line sync TRIG MODE→F1(video)→F4(Sync)
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CH1/CH2 Setup
AC
Coupling
ON
Channel
1 X
Probe
OFF
Inverted
CH2 SETUP
OFF
1000 X
100 X
10 X ON
DC
Ground
CH1 SETUP
F1 F2 F3 F4
Select AC, DC, or Ground coupling CH1/2 SETUP→F1(Coupling)