Uniden MHS550 Radio Owner’s Manual
25
Menu
Option
Use It To...
Available Settings (default
setting is in italics)
USA/
CAN/INT
Change the channel mode
from US to Canadian or
International channels
USA Mode
Canadian Mode
Int’l Mode
Lamp
Adjust
Change the operation of
the display backlight
Always On
Timer (see page 22 for details)
Always Off
Contrast Adjust the display contrast 10 contrast levels
(
default = 7
)
Dual/
TriWatch
Choose between triple
watch and dual watch
16/9 TriWatch
16 DualWatch
Key Beep Turn the key touch tones
on or off
On
Off
FIPS
Codes
Enter or edit the six-digit
codes for the geographic
areas that you want to hear
hazard alerts for
No FIPS codes entered.
See page 28 for instructions on
entering FIPS codes
Channel
Name
Change the name
displayed for a channel or
reset channel names back
to their default settings
See the tables starting on page
42 for default channel names
See page 27 for instructions on
changing channel names.
Exit
Close the menu
Making a transmission
Remove the radio from the charger, then press and hold the
PUSH TO TALK
button. Release the
PUSH TO TALK
button
when you’re finished talking to let the other party respond.
To prevent stuck microphone problems or situations
where the
PUSH TO TALK
button is pushed accidentally,
the radio limits your talk time to 5 minutes in a
single transmission. If you talk for over 5 minutes
continuously, the display shows
RELEASE PTT KEY
.
•
