Changing The Channel; Making A Transmission; Boosting The Transmission Power - Uniden UM425 Owner's Manual

Using Your Radio
While listening to a channel, adjust the
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 the
the channels one channel at a time. Press and hold the channel up or down
button to quickly scroll through the channels.

Making a transmission

To make a transmission, press and hold the microphone
Release the
party respond.
• To prevent stuck microphone problems or situations where the
TO TALK
to 5 minutes in a single transmission. If you talk for over 5 minutes
continuously, the display shows RELEASE MIC BUTTON.
• For the best sound quality, hold the microphone about two inches away
from your mouth.
• You cannot transmit while the radio is in weather mode or scan mode.
• See the channel list on page 58 for a list of receive-only channels.

Boosting the transmission power

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 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 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.
and
CHANNEL UP CHANNEL DOWN
button when you're finished talking to let the other
PUSH TO TALK
button is pushed accidentally, the radio limits your talk time
SELECT-1W/25W
SQUELCH
buttons briefly to scroll through
button for two seconds. The
button for two seconds. The
SELECT-1W/25W
E-20
knob until the noise is
PUSH TO TALK
button.
PUSH