A4 Mk1
Self-diagnosis of telephone
Interrogating control unit version
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→ Indicated on display: |
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→ Indicated on display: |
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→ Adjacent display appears after approx. 5 s: |
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Self-diagnosis of telephone
Interrogating control unit version
|
→ Indicated on display: |
|
||
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→ Indicated on display: |
|
||
|
→ Adjacent display appears after approx. 5 s: |
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