Uniden UM380 English Owners Manual - Page 17

Making a voice MAYDAY call, Changing the channel, Making a transmission

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Page 17 highlights

xx Press CHANNEL UP on the radio or the microphone to move up a line in the menu; if you are at the top line in the menu, the cursor jumps to the bottom of the menu. xx Press ENT-1W/25W to choose the selected item. xx Press CHANNEL DOWN on the radio or the microphone to move down a line in the menu; if you are at the bottom line of the menu, the cursor jumps to the top of the menu. xx Press CLR-SCAN to go back to the previous menu screen. xx From any menu screen, choose Exit or press and hold CALL-MENU to close the menu screen. Making a voice MAYDAY call (see inside front cover) Setting the volume Turn the volume knob clockwise to increase the speaker volume; turn it counter-clockwise to decrease the volume. Setting the squelch level The squelch feature reduces the level of static on the speaker by filtering out the background channel noise. At the lowest squelch level, the speaker plays all radio signals, including any noise on the channel. Setting the squelch level higher filters out channel noise and lets only actual radio transmissions through. Strong signals Weak signals Noise No Squelch Medium Squelch High Squelch 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. English 13 UM380_20101221.indd 13 4/13/2011 11:25:10 AM

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13
English
x
Press
CHANNEL UP
on the radio or the microphone to move up a line in the menu; if you are
at the top line in the menu, the cursor jumps to the bottom of the menu.
x
Press
ENT-1W/25W
to choose the selected item.
x
Press
CHANNEL DOWN
on the radio or the microphone to move down a line in the menu; if
you are at the bottom line of the menu, the cursor jumps to the top of the menu.
x
Press
CLR-SCAN
to go back to the previous menu screen.
x
From any menu screen, choose
Exit
or press and hold
CALL-MENU
to close the menu screen.
Making a voice MAYDAY call
(see inside front cover)
Se±ng the volume
Turn the volume knob clockwise to increase the speaker volume; turn it counter-clockwise to
decrease the volume.
Se±ng the squelch level
The squelch feature reduces the level of static on the speaker by filtering out the background
channel noise. At the lowest squelch level, the speaker plays all radio signals, including any
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.
Weak signals
No
Squelch
Medium
Squelch
High
Squelch
Strong signals
Noise
UM380_20101221.indd
13
4/13/2011
11:25:10 AM