User-defined calibration: Choose the cable 100 meters to 200 meters (more than 50 meters), click
"Cable", "Type" to select user-defined 1 for calibration, 11 groups user-defined can be set.
1. Select user-defined and click "Calibration" to enter test, click "user-defined 1" can define cable name,
such as: AiPu BNC-5
2. Click "Cable", "Type" to select cable, and corresponding type, for example, if testing BNC cable,
select "BNC", if testing communication cable 75-2, select SYV 75-2.
3. Click "+" or "-" to adjust wave speed, while display length is the same with the actual Length, click
"Save" to save calibration data. It can be used for the same cable testing next time.
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