User's Manual

5.key “5”is to control lights. Short pressure and long pressure can control
switch and can adjust the brightness respectively.
The user can loosen the key when the brightness meets user’s need. The
lights change as follows:
current brightness brightest darkest  brightest
6, In case of key pressed, the LED lights shine. LED lights will be turned
off in case of the key loosened.
7, Install battery here.
Note: changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate the
equipment.