31
Fig. 5-8
Step 8, Finish
Reset the cover of the light chamber and fix the screws. Reset the cover of theinstrument and fix the
screws. Recover the Pole in the compartment, then the course finished.
(3) Replace the Battery
Be sure to switch off the power supply and unplug the socket before open the Bottom
Cover
！
Step 1, Prepare the Tools
Prepare a 6×150mm Cross Blade Screwdriver.
Step 2, Switch Off the Power Supply
Switch off the power supply and unplug the socket.
Step 3, Open the Bottom Cover Plate
Unscrew the 13 screws indicated in Fig.5-9 then remove the bottom plate.
Fig. 5-9
Step 4, Replace the Battery
Pick out the old battery and replace a new one(Fig. 5-10).
