UNI-T UPO2102 User Manual page 31

User's Manual
Apply to slow sweep mode to observe low-frequency signal, it's recommend that set the channel coupling
mode to direct current.
Note: In ROLL mode, "horizontal displacement", "protocol decoding", "pass/fail test", "parameter
measurement", "recording waveform" and "waveform brightness" cannot be used.
6.3 Window Extension
Window extension is used for magnifying a waveform to view the image detail. Window extension can be
opened in horizontal menu or press HORIZONTAL SCALE knob to open.
In window extension mode, screen will be divided into two display area as shown in Figure 6-3.
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Extend time base
Before enlarged waveform
After enlarged waveform
Figure 6-2
Main time base
Figure 6-3
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