ACDelco ARM303-4A-340 Manuel Informations Du Produit page 13

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reset to the preset factory values.
BACKLIGHT SWITCH
Press the C key + (up) key to turn the backlight on or off; the backlight is preset as
on.
RESET
In order to make accurate data, press C key each time before using the device. On state
is prohibited to press C key to avoid get the error initial value.
POWER SAVING MODE
Enter power-saving mode after 2 minutes without using the device, press C key to
wake up.
OVERLOAD WARNING
Switch on or reset when screen continued to appear 110%, it means the device have
been forced exceeds the maximum standard torque value 110%, may result in the
products' damage or accuracy error.
Under normal usage
Overload
USAGE
Illustration of using wrench handle:
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