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(5) Press “AUTO” to try again.
(1) Check the trigger option is correct or not. Waveform stabilizes only proper trigger mode is
operated.
(2) Try to change “trigger mode” to falling edge or raising edge, waveform can not stabilize in
“no trigger” state.
(3) Try to change “
” button, weak signal is vulnerable to be interfered, and emits unstable
waveform.
Normal phenomenon. Level time-base gear may not be proper, adjust horizontal time-base
to raise the level resolution, display improved.
4.2 Waveform displays, but cannot stabilize.
4.3Waveform appears ladder shape:
53
Oscilloscope Section
Summary of Contents for DT-9989
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Page 36: ...True RMS Multimeter...
Page 56: ...Oscilloscope Section...
Page 57: ...Meterbox User s Guide Meterbox www cem instruments com...