Uniden MHS450 owner manual Troubleshooting, Symptom Cause Remedy

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Troubleshooting

If you missing parts or accesoories, call Parts & Service at 1-800- 554-3988.

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 1-800-586- 0409.

SYMPTOM	CAUSE	REMEDY
Won’t power On.	Low or Discharged	Recharge Lithium Ion battery.
	battery pack.	Replace battery.
		Use alkaline batteries
		temporarily.

When the PTT is	Bad microphone	Send in for repair.
pressed - Tx icon	element.
comes on and another
radio can hear a “click”
but no audio is heard.

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.

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”.

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
		on different frequencies or
		the channels are used for
		different purpose. Channel
		16, the Distress, Safety, and
		Calling channel, is the same
		on all three bands.

40	Uniden MHS450 Radio Owner’s Manual

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Contents MHS450 Table of Contents Manually Selecting Coast Guard/Distress Using Scan with Triple Watch Quick Start Guide for the MHS450 Follow these steps to get goingStoring a Channel in Memory Normal Scanning OneDualWatch Scanning TripleWatch Scanning= Channel Check Maritime Radio Services Operation FCC/Industry Canada InformationFCC RF Exposure Information Lithium Ion Battery Pack Warning Belt Clip Alkaline Battery Case Hardware What’s IncludedFeatures Uniden MHS450 IntroductionPage MHS450 Controls Page Radio Charger Cradle LCD Display Indicator Sounds Owner Manual ConventionsInstalling the Lithium Ion Battery Pack BatteriesPage Power AutoSave and Battery Life Indication Mounting the Charging Cradle To Mount the Cradle on a Counter TopAttaching the Belt Clip Getting Started Selecting a ChannelTransmitting Power Level TransmittingUsing the Radio Menu Options USA/CAN/INT U.I.C. Settings Lamp Backlight AdjustAdjusting Display Contrast Setting Dual or TriWatchSetting the Key Beep Setting the Key LockManually Selecting Coast Guard/Distress/ Hailing Channels Using the Weather Channels Weather Band at the upper left and the channel number.Adding Fips Codes Changing Channel Names Channel NameRestoring Default Names Using the TripleWatch or DualWatch ModeUsing Scan with Triple Watch Dual Watch, or Weather Alert Triple Watch and Dual Watch OnlyBoth Watches and Weather Channel Using the External Speaker/Mic Jack Resetting the MHS450Troubleshooting Symptom Cause RemedySymptom Cause Remedy Specifications PLLCare and Maintenance USA Channel Frequencies Ch No RX Freq TX Freq Status Full Name Char NameDigital Selective DSC Receive Canadian Channel Frequencies Inhibit International Channel Frequencies Status Full Name Char Name Noaa Weather Channels and Frequencies Noaa Weather Same Event CodesPage Page Page TXF Transmitter Carrier Three Year Limited Warranty Warrantor Uniden America Corporation UnidenVisit To Register Your Product