E-41
Uniden MHS335 Radio Owner’s Manual
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You are responsible for continued FCC technical compliance of your radio.
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Arrange for periodic performance checks with your Uniden dealer.
Problem
Things to Try
The radio won’t turn on.
- Verify that the battery is installed correctly.
- Charge the radio.
The power LED on the
charger doesn’t turn on.
- Don’t use the charger when the ambient temperature is
below 0° C (32° F) or above 45° C (113° F).
- Make sure the charging contacts on the radio and charger
are clean.
- Replace the battery.
The radio won’t transmit.
- Make sure you are not in Weather or Scan mode.
- Make sure you are not trying to transmit on a receive-only
channel or transmit at the wrong power level for this channel
(see the channel lists starting on page E-44.
- Check the battery power level; if it’s low, charge the battery
before trying to transmit.
- Make sure the duration of each transmission is less than 5
minutes.
- Try transmitting on a different channel.
I can’t hear anything from
the speaker.
- Adjust the squelch level; it is probably too high.
- Adjust the volume level; it is probably too low.
- If the radio has been exposed to water, there may be water
on the speaker. Remove the water and allow the radio to
dry out.
Noise comes out of the
speaker all the time
Adjust the squelch level; it is probably too low.
I can transmit, but no one
can hear me.
Check your UIC channel settings: does the area you are in use
different channel assignments?
I’m not getting hazard
alerts.
Make sure Weather Alert Watch is turned on.
The display flashes, and I
don’t know why.
The channel number on the display will flash if the radio is
in a Watch mode or in Scan mode. Try turning off scanning,
Weather Alert Watch, Triple Watch, or Dual Watch beginning
on Page E-20.
Scan won’t start.
Be sure you have channels saved into Favorites.
No beeps sound.
Key beep is set to OFF. Turn Key Beep on.
I cannot send DSC calls.
- Make sure the MMSI (DSC self ID) is entered.
- Turn ON the DSC Switch in the menus.
I cannot receive GPS
position data.
Reposition the radio so that nothing blocks the antenna from
the satellite signal.
Where can I find my
radio’s serial number?
The serial number is on a plate inside the battery compartment.
Summary of Contents for MHS335
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