User manual

Channel/SEL
Ramp scrolls through
the names of channels
programmed into the
radio, displaying them
on the Dot Matrix
display.
Two Flex Keys
give you one-touch
access to the menu or
optional features.
Optional keycaps are
available to identify
the functions of
pre-programmed
buttons, including T99
decode, Scan Add/
Delete, Public
Address, Home,
External Alarm, and
display brightness.
Front-Mounted
Microphone
Connector provides
easy access to the
microphone and
programming
capabilities.
System Key scrolls
through the names of
the system (groups of
channels) program-
med into the radio,
displaying them on
the Dot Matrix display
Front Mount
Speaker with 4 watts
of audio. An optional
10-watt external
speaker is also
available, for use in
noisy environments.
Figure 1 - MDX VHF Conventional Radio
PWR
Volume Up/Down
Ramp sets the volume
of the received audio.
Scan Button
enables scan
operation for the
selected system.
8-Character
Alphanumeric Dot
Matrix LED
allows you to identify
channel selections by
descriptive names.
Names, menu options, and
status information are
displayed here.
MENU button allows access
to functions and options,
including scan add/delete for
modifying the radio’s scan
list and alarm on/off for the
external alarm option that
uses your horn or head lights
to signal an incoming call.
Emergency ID/ Alarm
(optional)
sends an emergency
(GESTAR) alert and
identifying code to the
dispatcher. If no emergency
function is required, this can
be programmed as a
"HOME" switch.
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