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VHF Marine Radio Protocols
Operating Your Radio
13
Nothing Comes Close to a Cobra
®
Getting Started
Radio Speaker and Microphone
The internal Radio Speaker and Microphone are located on the
bottom front face of the radio below the lower control buttons.
An optional Speaker/Microphone port is located at the top
of the radio between the antenna and the Power/Volume
control. Unthread the Speaker/Microphone port cover to access
and install an optional speaker or microphone into this port.
Talk Button
Press and hold the Talk button to transmit messages.
Release the Talk button to stop transmitting.
Speaker/Mic Port
Talk Button
VHF Marine Radio Protocols
Operating Your Radio
12
English
Getting Started
Getting Started
•
Refer to the foldout at the front of this manual to identify the
various controls and indicators on your radio. Throughout
this manual you will be instructed to “Press” or to “Press
and hold” various buttons (except “Push to Talk”) on the
radio. “Press” means a momentary press of approximately
one (1) second. “Press and hold” means to hold the button
down for approximately two (2) seconds.
Whenever you press any button except the Talk button on
your radio, a brief tone (beep) will sound to confirm the
button press. With all button presses, the appropriate icon
will appear on the LCD and the backlight will turn On. The
backlight will stay On for 10 seconds after the button is
released.
At times, you will hear two (2) other sounds. Two (2) beeps
will sound to confirm your setting changes and three (3)
beeps will sound to notify you of an error.
Common Radio Functions
The following procedures define common operating functions of the radio when in
Marine Standby mode.
Power/Volume Control
Power On/Off Control
The On/Off/Volume control is located at the upper right
side of the radio. Turning the On/Off/Volume control
past the detent position will turn the radio On or Off.
Volume Control
Volume is controlled by turning the On/Off/Volume
control.
n To increase the volume, turn the On/Off/Volume
control clockwise.
n To decrease the volume, turn the On/Off/Volume
control counterclockwise.
On/Off/Volume Control
(Counterclockwise)
On/Off/Volume Control
(Clockwise)
HH475 Radio
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