34
EN
POWER SUPPLY
INSERT / REPLACE BATTERIES
Open the battery compartment cover on the rear of the receiver and insert 4 x AA alkaline batteries
Refer to the battery compartment diagram to ensure correct polarity. Close the battery compartment
cover.
Always remove the batteries if the receiver will not be used for a long period of time to avoid leakage.
BATTERY STATUS INDICATOR
The FR 77-MM front LCD display has four power status symbols.
The receiver will automatically power off when the batteries are empty.
AUTOMATIC POWER-OFF
If the receiver does not receive a laser beam or is not operated for 10 minutes it will automatically
power off.
100 % power
70 % power
30 % power
Empty
