Connect 12V power adaptor to tester’s charging port, then click icon “PoE” to enter voltage
measurement app ,screen show the current adaptor input voltage and power. Note: the current
12V input measured power is the battery charging power and the device working power,the
measured power will change depending on the different of battery power and backlight
brightness.
Warning: Not allow connect device with input power over 17V to tester “12V
IN“port,otherwiseit will damage the machine.
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