20
b) Photoelectric sensor
8
9
10
8 Sensor
9 Compass
10 Sensor cover
8. Operation
a) Inserting/changing the battery
•
Insert the battery before using the device for the first time. Follow the steps below to insert the battery:
• Open the battery compartment cover (6) on the back
of the measuring device by sliding it downwards.
• Fold the battery compartment cover upwards.
• Connect the battery connector to the battery. Always
observe the correct polarity (po and nega-
tive/-).
•
Insert the 9 V block battery provided into the battery
compartment. Stow the battery connector cables in
the battery compartment.
• Fold the battery compartment cover downwards and
slide it back into place.
Replace the battery when the battery status symbol (L) indicates a low battery (
).
• To replace the battery, remove the old battery from the battery connector and follow the steps above.