CEM DT-9989, Руководство пользователя, Страница: 41 / 68

Picture 1-2 interface display
1. Date and time
2. Status of current waveform windows
3. Remaining power of battery
4. Waveform display area
5. Waveform peak value
6. Signal coupling marks, preset amplitude gear
7. Waveform measured frequency
8. Preset sample rate
9. Trigger mode mark
10. Fast display mark
11. Slow display mark
12. Operation prompt bar
Perform a fast function examination to test and verify if the
oscilloscope works well or not. Please proceed as follows:
1.Turn the knob, turn on the oscilloscope power.
2.Connect the oscilloscope to signal source. Various AC signal
can be adopted, including 110V/220V AC power.
3.Press "AUTO". Corresponding frequency and peak
1 2 Brief function examination -
1-3 Probe and connector
1-3-1 Safety of probe and connecto
waveformcan be detected in several seconds.
4.If connect to 110V/220V AC power, press " " directly
indicating 100V/div, press " " or " " indicating 1KSa/s,
alternating sine wave can be observed.
The protective device of probe and connector main part prevents fingers from electric shock.
Picture 1-6
Before any measurement, connect the probe and the connector with the oscilloscope.
Note:
To avoid electric shock while using the probe, keep the fingers on the back of protective
device of the probe main part.
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Oscilloscope Section