User Manual
32. The blue pointer indicates the grounding datum point (zero point position) of the
waveform of the CH1 channel.
33. The yellow pointer indicates the grounding datum point (zero point position) of
the waveform of the CH1 channel.
How to Implement the General Inspection
After you get a new oscilloscope, it is recommended that you should make a check on
the instrument according to the following steps:
1. Check whether there is any damage caused by transportation.
If the packing boxes or foam cushions are found to have serious damage, keep them in a
safe place until the complete instrument and accessories have passed the electrical and
mechanical tests.
2. Check the Accessories
Check that all the parts and accessories are included and in serviceable condition.
3. Check the Complete Instrument
If the instrument is damaged in its appearance or it fails in normal operation or
performance test, do not use it and contact the supplier directly.
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