Blaupunkt 7 644 820 310 Serial Number, Displaying the serial number, Resetting the device

Models: 7 644 820 310

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SERIAL NUMBER

RESETTING

Displaying the serial number

You can display the device’s serial number.

Press the MENU button 9.

Press the softkey 5 assigned to the “VARIOUS” display item.

Press the softkey 5 assigned to the “SER NUM” display item.

The device’s serial number will be dis- played in the top line of the display.

Press the joystick OK 8 or the MENU button 9 to close the menu.

Resetting the device

You can reset the device to its factory default settings. All custom settings will then be cleared.

Press the MENU button 9.

Press the softkey 5 assigned to the “VARIOUS” display item.

Press and hold down the softkey 5 assigned to the “NORMSET” display item for longer than two seconds.

The device will switch off and then back on again automatically.

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Blaupunkt 7 644 820 310 operating instructions Serial Number, Displaying the serial number, Resetting the device