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3.2 ON/OFF
Press the power switch for more than 3 seconds. If the instrument starts normally, ON indicator lights up
and displays the main screen. If an external adapter is
connected and the battery is charged, the CHARGE
LED is red. When the battery is full, the CHARGE
LED is green.
Battery power will be displayed at the top of the
screen. When the power is too low, a warning message
will appear. Please connect the instrument to the power socket with a random adapter and charge it in time.
3.3 Connect Optical Cable
Warning
Light is emitted from the light source port of the instrument. Do not unplug the connected optical
cable. If light enters the eyes, it may hurt the eyes.
If the light source port is not connected to the optical cable, please cover the cover of the light source
port. When using an instrument with more than two light source ports, if light from another port
enters the eye, it may harm eyes.
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