Uniden MHS550 Radio Owner’s Manual
7
BUTTON
Press to...
Press and hold to...
PUSH-TO -
TALK
Transmit on a channel.
Note: You cannot trans-
mit while the radio is in
the charger.
16/9-TRI
1
st
press: Go to Channel 16.
2
nd
press: Go to Channel 9.
3
rd
press: Go back to the
original channel.
Turn on Triple Watch or
Dual Watch mode (see
page 27).
MENU
Display the radio menu.
ENTER
Choose an option on a menu.
CHANNEL UP
Move up one channel at a time
or move up one option at a
time in a menu screen.
Move quickly up the
channels.
CHANNEL
DOWN
Move down one channel at a
time or move down one option
at a time in a menu screen.
Move quickly down the
channels.
WX-ALERT
Listen to the current weather
conditions in your area.
Monitor weather chan-
nels for alerts (any area).
SCAN-MEM
Start scanning the channels
saved in memory.
Save a channel into
memory or remove a
channel from memory.
BAND-1/2.5/5W
Cycle through the radio bands:
marine/VHF, FRS, AM, FM,
and aircraft band
Change the transmit
power (see page 26)
KNOB
Turn clockwise to...:
Turn counter-clockwise to...:
VOLUME-
POWER
Turn on the radio or
increase the volume.
Decrease the volume or turn off
the radio.
SQUELCH
Raise the squelch level
to reduce channel noise.
Lower the squelch level to hear
weaker signals.
