12
20 seconds; otherwise the EMF of the inductance could endanger
personal safety.
Problems and Solutions
Notes
1. After testing, please charge up the battery in time.
2. During DC test, if the undervoltage indicator light became bright,
pleaseuse AC power instead of DC power for test.
3. If the instrument will not be used in long-term, please charge up
thebattery regularly (two month) until the "full" indicator lights up,
generally chargetime is about 14 hours.
4. Yo u should prevent the instrument damp, falling, and exposure.