VHF Marine Radio Protocols
Intro
Operation
Customer
Assistance
Warranty
Notice
Main Icons
Secondary Icons
Caution
Warning
Installation
Customer
Assistance
Operating Your Radio
13
Nothing
Comes Close to a Cobra
®
Getting Started
12 English
Getting Started
On/Off/Volume Control
(Counterclockwise)
On/Off/Volume Control
(Clockwise)
VHF Marine Radio Protocols
Intro
Operation
Customer
Assistance
Warranty
Notice
Main Icons
Secondary Icons
Caution
Warning
Installation
Customer
Assistance
Operating Your Radio
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 .
DSC Position Request Alarm
Medium-loud, continuous, low-pitched series of closely spaced, four (4) beeps [three (3)
short – one (1) long] groups — sounds when a position request call
is received . Press any button to turn it
Off
.
DSC Individual Alarm
High—pause—high—pause—high . Long pause, then repeat . Press any button to turn
it Off .
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 Cobra
speaker or microphone into this port .
NOTE
Please make sure the port cover is secured and firmly tightened in
place when the speaker/microphone is not is use .
Talk Button
Press and hold the
Talk
button to transmit messages . Release the
Talk
button to stop transmitting .
Light/Key Lock Button
To Display the Backlight Momentarily:
Press the
Light/Key Lock
button . The backlight will remain On for
10 seconds . If the backlight is already On, another press of the
Light/Key Lock
button will cycle through the light mode .
To Activate the Flashlight, Strobe and S.O.S. Light:
Press the
Light/Key Lock
button two times to activate the flashlight
function . Press again to activate the Strobe function, press a third
time to activate S .O .S . signal and a fourth time to turn it off .
Key Lock
To prevent accidental changes to your settings, you can lock most of
the buttons .
To Lock or Unlock the Buttons:
Press and hold the
Light/Key Lock
button for two (2) seconds . The
Key Lock
icon will appear or disappear in the LCD . When
Key Lock
is On, pressing any of the listed buttons on the front of the radio
will result in a three (3) beep error messag and the radio will show
“Radio Locked . Hold Lock Key To Unlock” .
The
Light/Key Lock
button, the Emergency button and the
Talk
button are active — you can
Receive (Rx)
or
Transmit (Tx)
a message with
Key Lock
On, but you cannot change the channel .
Backlight/Flashlight/S.O.S./
Key Lock Button
Key Locked Buttons
Key Lock Icon
Speaker/Mic Port
Talk Button
Intro
Operation
Customer
Assistance
Warranty
Notice
Main Icons
Secondary Icons
Caution
Warning
Installation
Customer
Assistance
MRHH600EU_ENG_MANL.indd 12-13
4/4/17 2:55 PM
