How It Works
12
Turning on the radio
Turn the VOLUME-PWR knob clockwise to turn on the radio. As it powers on, the
radio displays the user MMSI number; if there is no MMSI set, the radio displays
MMSI not entered.
When it powers on, the radio selects the last channel used.
How It Works
The UM455 has two basic modes of operation:
Operation mode
What it does:
Use it when:
To turn it on/off:
Normal mode
Monitors a single
marine radio
channel and lets
you talk on that
channel.
You want to talk to
another station on a
specific channel.
(default mode)
Scan mode
Monitors all the
channels you save
into memory.
You have a small
group of channels
you use most often
and want to check
them for traffic.
Press and hold
the
CLR-SCAN
but-
ton.
Setting the UIC Channel Mode (USA/CAN/INT)
1. Press and hold
CALL-MENU
to display the normal menu, and choose the Setup sub-
menu.
2. Select
USA/CAN/INT
. The screen displays the
UIC channel
setup.
3. Choose the channel mode you want to use: US (
USA Mode
), Canadian (
Canada
Mode
), or international (
Intl Mode
).
4. Press
ENT-1W/25W
. The radio activates the new channel mode and exits the menu.
The radio comes preset to use the UIC channels assigned for international mode. If
you are operating in an area that uses Canadian or international UIC channels, you
will need to change the channel mode.
16
UIC Channels
USA Mode
Canada Mode
Intl Mode
Back[CLR]
Select[ENT]
Setup
Press and hold -
USA/CAN/INT
