■ Battery charging
1. Fully charge the battery when the image blinks on
the LCD, or when storing the instrument for a long time
without use, or when the instrument initially used for the first
time.
2. Plug in the AC100~240V plug of the charger first, and then
connect the DC 12V plug with the charger terminal on the
bottom of the handle.
3. While charging, the charging LED turns red. When fully charged, the LED turns green.
4. The recommended charging time is about 4 hours. However, when the instrument being used
for the first time or when charging after excessive use, extend its charging time to longer than 5
hours.
5. It is normal to feel warm around the handle part during battery charging.
6. The instrument includes a protective circuit against surcharge, so the battery won’t be damaged
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