217853 User manual BATTERY INSTALLATION da. Lift off the bracket stand of the RE remote sensor by releasing the 2 fixing snaps at the bottom; then use a small Philips screwdriver 16 remove the battery cover screws. b. Insert pas of AAA size batteries according 0 (he “+7 and = polarity marks shown in the battery compartment. ¢. Once the batteries are inserted, the sensor will automatically transmit recuperation signal to the main body at 30 seconds intervals.