User Manual

Table Of Contents
9
Do not use abrasive cleaners to clean the device. This device is a
high-precision optical instrument, so in order to avoid damage,
please avoid the following practice:
Use the device in ultra-high or ultra-low temperature.
Keep it or use it in moist environment for long.
Use it in rainfalls or in water.
Deliver or use it in strongly shocking environment.
Remove the batteries from the device if it is not used for a longer
time.