Interference Noises: Notes
NOTE:
- This procedure is designed to help you find out how the interference noise has entered the system.
- In the following information, the various interference noises are differentiated.
- The battery must be fully charged.
- No charging unit may be connected.
INTERFERENCE NOISES
| Work instruction | Yes | No | |
|---|---|---|---|
| 1 | Does the interference noise complained about by the customer really exist? | All electrical connections to retrofitted accessories such as: Disconnect 2-way radios, mobile telephones, radar detectors etc. Step 2 |
End |
| 2 | Can the interference noise be heard in all the loudspeakers? | Slowly pull the receiver component(s) out of the holder and observe the noise. Does the interference noise change or disappear in the process? Yes Step 4 No Step 3 |
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| 3 | Disconnect the antenna from the radio and observe the interference noise. Does the interference noise change or disappear? |
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| 4 | Does the interference noise change? | ||