Hilti Pra 90 Mode D'emploi Original page 22

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5.1.2 Charging the battery externally (not in the tool)
WARNING
Electrical hazards. If liquids penetrate the tool, they may cause the AC adapter to short circuit and
explode. This may result in serious injury and cause burns!
▶ The PRA 85 AC adapter is for indoor use only.
1. Remove the battery from the tripod and plug in the connector of the AC adapter or the motor vehicle
power adapter.
2. Connect the AC adapter or the motor vehicle power adapter to the power supply.
Note
The red LED on the battery lights while charging is in progress.
5.1.3 Charging the battery while the tool is in operation
1. Turn the cover so that the charging socket on the battery can be seen.
2. Plug the connection of the AC adapter into the battery.
◁ The tripod works during the charging operation and the charge state is displayed by the LEDs on the
tripod.
5.2 Inserting the battery
Note
Check that the terminals on the battery and on the tripod are free from foreign objects before inserting
the battery.
1. Slide the battery into the holder on the tripod.
2. Turn the catch two notches in a clockwise direction until the "locked" symbol appears.
5.3 Removing the battery
1. Turn the catch two notches in an counter-clockwise direction until the "unlocked" symbol appears
2. Remove the battery from the tool.
5.4 Pairing 4
Note
In order to use the tripod and remote control unit, these must be exclusively assigned to each other.
▶ Press the On/Off buttons on the remote control unit and the tripod simultaneously and keep them
pressed for at least 3 seconds. If the pairing with the PRA 92 is successful, the LEDs on both tools light
simultaneously.
6 Operation
6.1 Fitting rotating laser to tripod
Note
Only fit devices that weigh no more than 5 kg (11 lbs).
▶ Screw the rotating laser onto the tripod.
6.2 Working with the PRA 30 tripod and remote control unit 4,
Note
Before use, the remote control unit must be paired with the tripod in order to enable communication
between the two appliances.
The PR 30­HVS rotating laser should also have been paired separately with the PRA 30. In this way,
three-device pairing is established which is essential for an automatic alignment of the laser plane.
16 English
Printed: 21.07.2017 | Doc-Nr: PUB / 5070305 / 000 / 03
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