Instruction Manual

BATTERY

Install a coin battery (CR2032) before using the device:

* Remove the battery cover.

* Insert a battery into the device with the positive side (+) facing up.

* Place the battery cover on the device until the battery is placed in

the right position.

* Press the battery cover with your thumb until it stops moving.

* Open the back cover of the battery, press the button next to the

battery, and release after hearing the "drip" sound;

If the attached pry open tool lost,

please try to use other tools like

toothpicks, paper clips，keys and

etc.