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Raised Crane Arm driving accident prevention sensor for Unic Crane Vehicle 
Boom Keeper II

Features

1. The detection angle of the crane boom can be set from 5 to 20°, for every 1°.
   (Preset at 10°out-of-the-factory.)
2. Transmitter battery is comprised of a solar battery charger and the electric double layer condenser to be maintenance free.
3. Existing Transmitter of Boom Keeper I can also be applied to Boom Keeper II.

Boom Keeper Ⅱ: Components

How to install the Transmitter unit

1. Position horizontally by using the bundled torpedo level, use magnetism, and install the main body in the upper part of the Hoot pin of the boom.
2. Weld or tighten the screws by using an external mounting plate to fix this machine more firmly and install it.
3. Set up the main body within 5m from the receiving unit.

How to install the Receiving unit

1. The main body is put on the dashboard of a Unic car. (Use double-sided bonding tape for attachment). Set up the main body within 3m from the driver's seat.
2. Insert the plug of the main body in the cigarette lighter socket 24V power supply.
3. Insert the DC plug of the battery pack of the attachment in DC Jack in the receiving unit.

Notes

1. Plug the Receiver firmly into the cigarette lighter socket.
2. Make sure that the alert lamp is blinking and buzzer of the Receiver is activated when the driver is positioned at the driver’s seat with the boom raised.
3. There should be a very strong magnetism between magnets magnetized, or magnetic materials. Be cautious not to trap fingers or body parts during transportation or installation. If the main body is chipped and shattered due to impacts that may result from contacting, it may be the cause of injuries to human eyes or other body parts.
4. Do not use Boom Keeper for any purpose other than the purpose specified.