E-51
Installing the Hardware
Press and hold the microphone
PUSH TO TALK
button. Speak clearly
in your normal voice (you don’t have
to shout). Use the
VOLUME-PWR
knob
on your UM425 to adjust the volume of the PA speaker.
Release the
PUSH TO TALK
button when you're finished talking.
To turn off the PA feature and return to the radio mode you were using,
press and hold the
MENU-PA
button for two seconds again.
2.
3.
4.
PA
Public Address
Mode Selected
Using the PA feature
Press and hold the
MENU-
PA
button for two seconds
to activate the PA feature.
The display shows
PA
in the
upper right hand corner.
1.