Operating Your Radio
18
English
Setup Mode Programming
Backlight Lamp Adjust
The LCD has a Backlight lamp to make it visible in the dark.
This lamp can be adjusted for brightness or turned Off.
To Adjust The Backlight Level:
1. Enter the Settings menu and scroll to LAMP ADJUST with the
Up/Down soft keys or using the Up/Down channel buttons.
2. Press the ENTR soft key and observe the current backlight
setting — HIGH, MEDIUM, LOW or OFF.
3. Use the Up/Down buttons or Right/Left soft keys to switch to
the setting you want.
4. Press the ENTR soft key to select the backlight setting. Or
press the EXIT soft key to EXIT without making changes to the
backlight setting.
5. The radio will return to the Settings menu. The radio will
remember the saved backlight setting, when powering off the
radio, or disconnecting power to the radio.
NOTE
Setting the radio to a lower backlight setting will conserve
battery power.
LCD Contrast Adjust
The LCD backlight will not be visible in daylight, but the LCD
Contrast can be adjusted to make it easier to read in different
light conditions.
To Change The Contrast:
1. Enter the Settings menu and scroll to CONTRAST ADJUST
Up/Down soft keys or the UP/Down channel buttons.
2. Press the ENTR soft key and observe the current contrast
setting — a number between one 0 and 16.
3. Use the Up/Down buttons or the Right/Left soft keys to
change the number up or down.
4. Press the ENTR soft key to select a contrast level. Or press the
EXIT soft key to EXIT without making changes to the Contrast
setting.
5. The radio will return to the settings menu. The radio will
remember the saved contrast level, when powering off the
radio, or disconnecting power to the radio.
Conrmation Key Tone
The Conrmation Tone sounds to conrm all button presses except for the Talk button. If you
would prefer not to hear the Conrmation Tone, you can turn it Off and On as you choose.
To Turn The Conrmation Tone On Or Off:
1. Enter the Settings menu and scroll to KEY TONE
with the Up/Down soft keys or the Up/Down channel
buttons.
2. Press the ENTR soft key and observe the current conrmation
tone setting — ON or OFF.
3. Use the Up/Down soft keys or the Up/Down channel buttons
to switch to the setting you want.
4. Press the ENTR soft key to select the setting. Or press the
EXIT soft key to EXIT without making changes to the Key Tone
setting.
5. The radio will return to the settings menu. The radio will
remember the saved Key Tone setting, when powering off the
radio, or disconnecting power to the radio.
U.S.A./International/Canada Channel Maps
Three (3) sets of VHF Channel Maps have been established for marine use in the U.S.A.,
Canada, and the rest of the world (International). Most of the channels are the same for all three
(3) maps, but there are denite differences (see table on pages 68 through 83). Your radio has
all three (3) maps built into it and will operate correctly in whichever area you choose.
To Set Your Radio For The Area In Which You Will Be Using It:
1.
Enter the Settings menu and scroll to CHANNEL
MODE with the
Up/Down soft keys or the Up/Down channel buttons.
2. Press the ENTR soft key and observe the current channel mode
setting — USA,INTERNATIONAL, or CANADA.
3. Use the Up/Down soft keys or the Up/Down channel buttons
to switch to the setting you want.
4. Press the ENTR soft key to select the setting. Or press the EXIT
soft key to EXIT without making changes to the Channel Map
setting.
5. The radio will return to the settings menu. The radio will
remember the saved Channel Map setting, when powering off
the radio, or disconnecting power to the radio.
EXIT ENTER
MED
LAMP ADJUST
2
Channel Up/Down Buttons
Menu Soft Key
EXIT ENTER
CONTRAST ADJUST
8
Channel Up/Down Buttons
Menu Soft Key
KEYTONE
ON
OFF
EXIT ENTER
Channel Up/Down Buttons
Menu Soft Key
MENU
DSC SETUP MENU
LAMP ADJUST
CONTRAST ADJUST
KEY TONE
UIC CHANNEL MODE
TIME ADJUST
EXIT ENTER
Channel Up/Down Buttons
Menu Soft Key
MRHH600_ENG_MANL.indd 18-19 4/3/17 5:03 PM
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