| The radio navigation system is equipped with an anti-theft coding. |
| The anti-theft coding is activated and blocks the radio unit as soon as: |
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| The voltage supply (terminal 30) drops below a predetermined voltage. |
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| The radio part fuse is blown. |
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| The radio unit is disconnected from the voltage supply (terminal 30) (e.g. when removing radio unit). |
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| When performing work on vehicle and vehicle battery (terminal 30) has been disconnected. |
| After installing a new radio navigation system the anti-theft coding function must be activated → Chapter. |
| If a radio navigation system has been blocked by the anti-theft coding, “CODE” will appear in the display when switching the unit on. |
| To lift the unit lock, deactivate the unit lock via the anti-theft coding → Chapter. |
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