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Chapter 4 Horizontal System
57
ROLL mode is defaulted as open. When the time base is greater than 100ms, it automatically enters the ROLL
mode. If the signal to be triggered under a large time base needs to be viewed, turn off the ROLL mode.
Roll mode on and off: In the main menu, tap the soft key . In the “Common” option, you can turn the roll
mode on and off (refer to Figure 4-7). When the roll mode is on and the time base is within 200ms~1ks, the
oscilloscope automatically enters the roll mode.
Figure 4-7 Roll Mode On/Off
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