Battery Installation - daviteq WS433-O2 User Manual

6.4 Battery installation

Steps for battery installation:
Step 1: Using Philips screw driver to unscrew M2 screw at the side of housing.
Step 2: Pull out the cover then insert the AA 1.5VDC battery, please take note the poles of the battery.
ATTENTION:
Because of O-ring, it requires to have much pulling force at the beginning, therefore please do it carefully to
avoid the damage of circuit board which is very thin (1.00mm);
REVERSED POLARITY OF BATTERIES IN 10 SECONDS CAN DAMAGE THE SENSOR CIRCUIT !