5
Section 2: Basic Radio Operation
This section addresses the radio’s basic operations, which includes
MMSI (Maritime Mobile Service Identity) number setup. If you already
have your MMSI number programmed into the radio and have a strong
understanding of the radio's basic functions, move on to Section 3: Ad-
vanced Radio Operation.
We're going to kick off the operation section with a brief description of
the radio's basic functions. That will be followed by some important
information on Digital Selective Calling and basic instructions on how
to make and receive calls.
Using the Keypad
The keypad has six keys:
H/L
(Hi/Lo),
WX
(Weather),
16/9
(Priority
Channels),
SCN
(Scan),
MEM
(Memory),
CALL
(Call). When you press
any of the keys a tone will sound. If you push a key and a 3-beep tone
sounds, there is an error or the function is not supported by the radio.
You’ll notice several functions require you to hold down a key for a few
seconds. In those cases, a single beep sounds, then, after a few mo-
ments, a second beep will be heard to let you know you have success-
fully changed the mode.
The M-Tech MT-300 VHF Marine Radio.
