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10 sec
x
20 sec
x
30 sec
x
Always On
x
4.
After selecting the Backlight Timeout, press SELECT. The BACKLIGHT screen
displays again. Press CLR to return to the Idle screen,
Adjust the LCD Contrast
This feature lets you adjust the LCD's contrast level.
1.
Press MENU then select General Setup/Contrast. The Contrast screen displays.
2.
Press ▲ or ▼ to select a contrast level (1 - 8, Default = 4) then press SELECT. The
GENERAL SETUP screen displays again.
3.
Press CLR to return to the Idle screen.
Turning the Key Beep On and Off
Key beep is the tone that sounds when you press a key.
1.
Press MENU then select General Setup/Key Beep. The Key Beep menu displays.
2.
Select On (Default) or Off. The GENERAL SETUP screen displays again.
3.
Press CLR to return to the Idle screen.
OPERATING THE RADIO
Making a Transmission
Select the channel you want to transmit on, then press and hold the Push-to-Talk key.
Begin talking. Release the Push-to-Talk key when you're finished talking to let the other
party respond.
To prevent stuck microphone problems or situations where the Push-to-Talk
x
key is pushed accidentally, the radio limits your talk time to 5 minutes in a single
transmission.
For the best sound quality, hold the microphone about two inches away from your
x
mouth.
Changing the transmission level
In most situations, 1W transmission power is all you need. If you find yourself far away
from other ships and have trouble getting a response, you may need to increase the
transmission power.
To increase the transmission power in increments:
1.
Select the channel you want to transmit on.
2.
Press the HILO soft key.to change the TX output power from 1W to 6W to 2.5W, then
back again to 1W.
3.
1W, 6W, or 2.5W displays. The transmit power remains at the new setting on that
channel until you change it again.
NOTE: If you try to change transmission power output but the channel is only 1W, the radio
Some channels (for example, channels 13 and 67) limit the transmission power to 1W.
sounds an error tone and stays at 1W.
Uniden MHS335 Radio Owner's Manual
E-27
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