What if ...
... you hear acoustic signals or warning signals?
| Acoustic signal | Meaning |
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| 3 ascending beeps | The receiver has just |
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| been switched on. |
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| 3 descending beeps | The receiver has just |
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| been switched off. |
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| 1 acknowledgement | The channel search |
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| beep | button has been |
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| pressed once briefly. |
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| The channel search |
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| button has been |
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| pressed for |
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| 5 seconds. |
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| The receiver is set to |
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| channel 1, 2 or 3. |
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| Warning signal | Meaning |
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| 6 short | The receiver does not |
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| beeps | receive any signal |
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| from the transmitter: |
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| • | The distance |
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| between trans- |
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| mitter and receiver |
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| is too great. |
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| The receiver |
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| switches off after |
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| 3 minutes. |
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| • | The transmitter is |
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| switched off. |
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| 2 long | The rechargeable |
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| beeps | battery is almost flat. |
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