Specifications

Installing the Hardware
50
Press and hold the microphone 2.
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 3.
PUSH TO TALK button when you're nished talking.
To turn off the PA feature and return to the radio mode you were using, 4.
press and hold the
MENU-PA button for two seconds again.
PA
Public Address
Mode Selected
Using the PA feature
Press and hold the 1. MENU-
PA button for two seconds
to activate the PA feature.
The display shows PA in the
upper right hand corner.
UM425 VHF OM.indd 50 28/9/11 11:55:22 AM