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not used for a long time, please charge the battery regularly. It is recommended that the battery be charged
every 2 to 3 months to ensure the best performance of the battery.
Do not let the battery close to the source of fire or strong heat; do not open or damage the battery; take out
the battery when the instrument is stored for a long time. The temperature range of the battery during
long-term storage is -20~45℃.
If the battery leaks or explodes, the electrolyte will damage the clothing or skin it has touched. Electrolyte
may cause blindness. If you enter your eyes carelessly, please wash your eyes thoroughly with clean water and
go to the hospital immediately.
Laser safety
Laser radiation; do not stare into beam CLASS Ⅱ laser product.
When using this instrument, please pay attention to avoid looking directly at the laser output port, and do
not look directly at the end of the optical fiber when testing. When the instrument is finished, please cover the
dust cap of the optical output port.
LCD Screen: This series of optical cable census instruments display 7 inch color LCD with touch screen.
In order to maintain good viewing effect, please keep the LCD screen clean. When cleaning, the LCD screen
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