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For provided accessories details, description has been made in "Accessories" section of
this user manual. If you find any accessory is missing or damaged, please contact Tenma
distributors or the local offices.
3. Check the main instrument
In case of damages to the appearance of instrument, abnormal operation or failure to
pass the performance tests, please contact Tenma distributors or the local offices.
If the instrument is damaged due to transportation, please pay attention to keeping the
package, notify the transportation department and Tenma. They will make arrangement
for repair or replacement.
3. Function Inspections
Conduct a fast functional inspection to verify whether the oscilloscope runs normally.
Please take the following steps:
Power on the oscilloscope
Users can power on the oscilloscope with voltage supply of AC 100V – AC 240V and
frequency of 45Hz – 440Hz. After powering on, in order to activate the best working
status, press UTILITY menu after waiting 30 minutes, then press F1 for self‐calibration.
On the next menu interface, press F1 button again for "factory settings" as shown in
Figure 1‐4.
Warning: please confirm that the oscilloscope has been safely grounded to avoid hazard.
Oscilloscope accessing to signal
1)
The oscilloscope has two input channels with an additional external trigger input
channel. Please check the signal according to the following steps. Connect a probe
to CH1 input terminal and set the attenuation rate switch on the probe as 10×
(Figure 1‐5)
Figure 1‐4
6
Model 72‐7610/72‐10510 User Manual
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