Making A Transmission - Uniden MHS550 Owner's Manual

Menu
Use It To...
Option
Change the channel mode
USA/
from US to Canadian or
CAN/INT
International channels
Lamp Change the operation of
Adjust the display backlight
Contrast Adjust the display contrast
Dual/ Choose between triple
TriWatch watch and dual watch
Turn the key touch tones
Key Beep
on or off
Enter or edit the six-digit
FIPS codes for the geographic
Codes areas that you want to hear
hazard alerts for
Change the name
Channel displayed for a channel or
Name reset channel names back
to their default settings
Exit Close the menu

Making a transmission

Remove the radio from the charger, then press and hold the
PUSH TO TALK
when you're finished talking to let the other party respond.
• To prevent stuck microphone problems or situations
where the
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.
button. Release the
PUSH TO TALK
Uniden MHS550 Radio Owner's Manual
Available Settings (default
setting is in italics)
USA Mode
Canadian Mode
Int'l Mode
Always On
Timer (see page 22 for details)
Always Off
10 contrast levels
(default = 7)
16/9 TriWatch
16 DualWatch
On
Off
No FIPS codes entered.
See page 28 for instructions on
entering FIPS codes
See the tables starting on page
42 for default channel names
See page 27 for instructions on
changing channel names.
PUSH TO TALK
button is pushed accidentally,
button
25