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INTRODUCTION
This manual describes the operation of the
M-PA
two-way FM Select, Scan, and System model
portable radios.
Operating controls on the radio include a ro-
tatable control knob, rotatable volume control, a 4-
button keypad (Scan model) or 16-button keypad
(System model), push-to-talk, emergency and moni-
tor buttons. The on/off power switch for the unit is
located on the removable battery pack.
The 8-digit alphanumeric liquid crystal display
(LCD) on the front of the radio displays the operating
status of the radio. This backlit display also has
status flags for indicating the various operating con-
ditions such as transmitter on, scanning, or emer-
gency mode enabled.
The exact operation of your radio will vary de-
pending upon the mode of operation, the radio’s
programming, and the particular radio system. Con-
sult your radio system’s representative for particular
features that are programmed into your radio.
CONTROLS
ON/OFF SWITCH
The ON/OFF SWITCH is located on the battery
pack. Sliding this switch up will supply power to the
radio from the battery pack. An audible click will be
heard and the "ON" indicator will be exposed. When
the radio is turned on, it will perform a power-up self
test and then resume operation on the previous
operating channel as displayed in the LCD. Sliding
the switch down will turn the radio off.
VOLUME CONTROL KNOB
The VOLUME CONTROL KNOB is a rotatable
control on the top of the radio used to adjust the
receiver’s audio level in the speaker. Rotating this
knob in a clockwise direction will increase the audio
level. Counter-clockwise rotation will decrease the
audio level. Minimum levels may be programmed into
the radio to prevent missed calls due to too low of a
volume setting.
CONTROL KNOB
The rotatable 16-position CONTROL KNOB lo-
cated on the top of the radio is programmed to select
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