Cobra Marine MR HH125 Owner's Manual page 9

Getting Started
Operating Your Radio VHF Marine Radio Protocols VHF Marine Radio Protocols
Intro Operation Customer
Assistance
Backlight/Key Lock Button
Backlight/Key Lock Button
The LCD will be illuminated by the backlight as long as any
button is pressed and will remain On for 10 seconds after
the button is released.
Customer
Installation
Assistance
To Display the Backlight Momentarily:
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Press the Backlight/Key Lock button. The backlight will
remain On for 10 seconds. If the backlight is already On,
a press of the Backlight/Key Lock button will turn it Off.
Key Locked Buttons
Key Lock
Notice Caution
To prevent accidental changes to your settings, you can lock
all of the buttons on the front of the the radio along with the
Squelch Defeat button.
To Lock or Unlock the Buttons:
Press and hold the Backlight/Key Lock button for two
(2) seconds. The Key Lock icon will appear or disappear
Key Lock Icon
in the LCD. When Key Lock is On, pressing any of the
buttons on the front of the radio will result in a three (3)
beep error message.
Both the Backlight/Key Lock 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.
Channel Up/Down Buttons
Your radio will Receive (Rx) and Transmit (Tx) VHF signals on
Channel Up/Down Buttons
the channel indicated on the LCD display. You can change the
channel at any time using the Channel Up/Down buttons.
To Change Channels:
Press the Channel Up/Down buttons.
If you are on Channel 88, pressing the Channel Up
button will advance to Channel 01. If you are on Channel
01, pressing the Channel Down button will advance to
Currently On Channel 88
Channel 88.
You can press and hold the Channel Up/Down button for
fast advance. The beep sound will occur only at the first
press of the buttons and not during fast advance.
If the new channel selected is restricted to low power, the
radio will automatically switch to Low Power mode and
the Low Power icon will appear on the LCD.
If the radio is in the Key Lock mode, the channel will not
12 English change and the three (3) beep error signal will sound.
Warranty
Warning
Getting Started
Main Icons
Operating Your Radio VHF Marine Radio Protocols VHF Marine Radio Protocols
Intro Operation Customer
Assistance
SCAN Button
Scan Button
Press and release the SCAN button to scan all channels.
The SCAN icon will display on the LCD display. Scanning
Intro Operation Customer
Assistance
begins at lower channels, and scans to higher channels.
Customer
Installation
Assistance
Press Channel Up/Down button to change the scan
direction.
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Customer
Installation When a signal is received in SCAN mode, the radio will
Assistance
pause 10 seconds before resuming SCAN operation.
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The scan will stop when the Talk button is pressed.
Notice Caution
NOTE
Memory channels need to be saved to effectively
Notice Caution
enter the Memory Channel mode and scan all
memory channels. See page 25.
HI/LO Power Button
High/Low (HI/LO) Power Button
Your radio can transmit selectively at 1 or 3 watts of power.
Cobra suggests you maintain the low power setting for
Main Icons
short-range communication. You will conserve battery life
and avoid overpowering nearby stations by using a low
power signal. Use the High Power setting for long-range
communications or when you do not receive a response
to a signal sent at 1 watt.
Intro Operation Customer
Assistance
To Toggle Between HI/LO Power Modes:
Press the Power Level/Weather button. The LCD
will show which mode is in effect. Some channels are
Customer
Installation
restricted for a maximum use of 1 watt. Your radio will
Assistance
automatically set the power to Low Power mode when
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you select those channels.
NOTE
Some channels, frequency bands and countries of use
Notice Caution
might not be able to operate in High Power mode.
Warranty
Warranty
Warning
Warning
Warranty
Warning
Nothing Comes Close to a Cobra
13
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