ACDelco ARM601-3 Mode D'emploi page 12

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this wrench to an authorized service center to calibrate it and eliminate the "Err".
AUTO POWER OFF/POWER OFF
This wrench will be shut off automatically after 60 seconds of no use. Or directly shut
off the wrench, just press the Power Button (13) more than 2 seconds.
HOW TO USE AS A TORQUE WRENCH
Connects this wrench and a socket together. Then handle the wrench handle center as
shown below.
INCORRECT OPERATION
The torque or force only applies on the handle center.
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