ring RPPL200 Mode D'emploi page 5

GB
4.
1 2
8 4
<3V
If no LED flashes and a buzzer sounds the battery has less than 3V and is not in a useable condition
5.
03:00
Turn ON ignition, crank the engine in 3 second bursts
6.
2 1
With the engine started disconnect the clamps in reverse order of connection