Uniden UM380BK Marine Radio User Manual


 
12
English
noise on the channel. Setting the squelch level higher filters out channel noise and lets only
actual radio transmissions through.
While listening to a channel, adjust the SQUELCH knob until the noise is filtered out and you
can only hear the transmission. If you switch to a channel with a lot of noise or with a weak
transmission, you may need to adjust the squelch level again.
#NOTE: Setting the squelch level too high may prevent you from hearing weaker
transmissions. If you are having difficulty hearing a transmission, try setting the squelch
level lower.
Changing the channel
Press
CHANNEL UP
and
CHANNEL DOWN
briefly to scroll through the channels one channel at a
time. Press and hold
CHANNEL UP
or
CHANNEL DOWN
to quickly scroll through the channels.
Making a transmission
To make a transmission, press and hold the microphone
PUSH TO TALK
button. Release the
PUSH TO TALK
button when you’re finished talking to let the other party respond.
x To prevent stuck microphone problems or situations where
PUSH TO TALK
is pushed
accidentally, the radio limits your talk time to 5 minutes in a single transmission. If you
talk for over 5 minutes continuously, the display shows RELEASE MIC BUTTON.
x For the best sound quality, hold the microphone about two inches away from your mouth.
x You cannot transmit while the radio is in weather mode or scan mode.
x See the channel lists beginning on page 41 for a list of receive-only channels.
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In most situations, the 1 Watt transmission power is all you need. If you find yourself far
away from other stations and have trouble getting a response, you may need to boost the
transmission power from 1 Watt to 25 Watts:
1. Select the channel you want to transmit on.
2. Push and hold
ENT-1W/25W
for two seconds. The display shows 25 Watts in the upper left
hand corner.
3. The transmit power remains at 25 Watts until you change the setting back. Push and
hold
ENT-1W/25W
for two seconds. The display shows 1 Watt.
#NOTE: Don’t forget to change the transmission setting back to 1 Watt when you move closer
to other stations.
Weak signals
No
Squelch
Medium
Squelch
High
Squelch
Strong signals
Noise