Voice Quality Problems
Symptom | Possible Causes | Possible Solutions |
Handset voice | A competing radio | Place the handset in Wireless Test Mode |
quality and range | device (for example, a | as described in Chapter 2. If the signal |
are not as good | wireless | strength and voice quality readings are |
as they were | scanner) has been | low, look for a newly installed radio |
before. | installed in the area. | device nearby. Remove it or move your |
| Both products are | handset’s matching radio module at least |
| competing for the | 6 feet (1.8 m) away from the potential |
| same air space and | interference. |
| will conflict when both |
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| are being used. |
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| Radio modules are out | For a |
| of synchronization. | down, then repower the carrier. |
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| For a |
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| 1. Verify that all expansion cables are |
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| installed in the correct IN and OUT |
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| jacks. |
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| 2. Verify that all expansion cables are fully |
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| inserted into their jacks. |
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| 3. Power down, then repower the control |
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| carrier. |
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| 4. Power down, then repower the expansion |
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| carriers in order, from left to right. |
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| Antenna of the radio | Reinstall the radio module or carrier(s) so |
| module is too close to | that the radio module antenna is |
| the ceiling. | inches |
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| You have a malfunc- | 1. Remove all but one radio module from |
| tioning radio module. | the carrier. (See "Removing a Radio |
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| Module from the Carrier" in Chapter 4.) |
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| 2. Test each radio module individually, |
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| verifying that the POWER and PASS |
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| LEDs on each radio module lights when |
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| the carrier is powered. |
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| 3. If the PASS LED does not light, the |
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| radio module is malfunctioning. Re- |
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| place the radio module and handset. |
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Voice quality in a | Handset is too close to | Move the handset at least 6 feet (1.8 m) |
specific location | the carrier(s). | away for a one- or |
is poor and noisy. |
| 10 feet (3.1 m) away for a |
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| setup. |
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