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31Uniden MHS450 Radio Owner’s Manual
Setting the Key Beep
Your MHS450 conrms a key press by
sounding a short single or double beep
(default). You can disable this sound.
From the RADIO MENU screen,
press ▲ or ▼ to highlight the KEY BEEP option.
Press ENTER to select it.
Press ▲ or ▼ to select On or Off or Exit . Press
ENTER to save your selection. The display returns to
the RADIO MENU screen.
Setting the Key Lock
To prevent keys from being accidentally
operated, set the Key Lock. Hold down
LIGHT/LOCK for 2-seconds. KEYPAD
LOCKED appears on the display
bottom for 3-seconds then returns to
the standard screen. Locked remains next to the channel
number to remind you that the locked option is enabled.
During Key Lock mode, you can adjust only the following
controls:
PTT switch
Light/Lock key
Volume
Squelch
1/2.5/5W (Only while pressing and holding
PTT.)
If any other control is used, an error tone sounds.
To disable the keypad lock, press and hold LIGHT/LOCK
for about 2-seconds or turn power off then on.
KEYPAD
UNLOCKED appears on the display using LIGHT/LOCK.
Note: if the radio receives either a weather alert or decodes
a severe weather S.A.M.E. code transmission, the keypad
automatically unlocks.
1.
2.
•
•
•
•
•
Exit
On
Off
KEY BEEP
Exit
On
Off
KEY BEEP
KEYPAD LOCKED
Locked
USA
5 Watts
Marine Band
KEYPAD LOCKED
Locked
USA
5 Watts
Marine Band