Troubleshooting
If you missing parts or accesoories, call Parts & Service at
In the event that the radio fails to perform, try the following remedies. If you have still problems, visit our customer support website at: www.uniden.com or call our customer care specialists at
SYMPTOM | CAUSE | REMEDY |
Won’t power On. | Low or Discharged | Recharge Lithium Ion battery. |
| battery pack. | Replace battery. |
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| Use alkaline batteries |
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| temporarily. |
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When the PTT is | Bad microphone | Send in for repair. |
pressed - Tx icon | element. |
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comes on and another |
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radio can hear a “click” |
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but no audio is heard. |
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While scanning, the | A source of noise is | Turn Squelch clockwise to |
radio stops on a | nearby. | reduce noise so that scan |
particular channel all of |
| function skips channel. |
the time. |
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There is noise on the | An external noise is | Either turn off the offending |
receiver that the | being generated by | device or contact that Mfg. |
squelch will not | some device. | Regarding FCC part 15 |
eliminate. |
| “unintentional radiator”. |
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You have arranged to | You and the other | Make sure that you are both |
communicate with | user are using | using the same Country |
another VHF radio user | different Country | mode (USA, International, or |
on a specific channel, | Modes. | Canadian). Several channels |
and you can not hear |
| have the same numeric |
them. |
| designation, but are either |
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| on different frequencies or |
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| the channels are used for |
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| different purpose. Channel |
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| 16, the Distress, Safety, and |
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| Calling channel, is the same |
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| on all three bands. |
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40 | Uniden MHS450 Radio Owner’s Manual |
