| All radio units are equipped with an electronic anti-theft system. |
| The electronic anti-theft system 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 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. |
| A radio unit which has been blocked by the electronic anti-theft system, is shown when “SAFE” appears in the display when switching the unit on. |
| Deactivate the electronic anti-theft system to remove the unit lock → Chapter. |
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