Listen Technologies LR-300 EN - Manual (Page 30)

26
LR-400
LR-400 Setup Instructions
6
7
8
Connect an Earphone or Headset
Your headset or earphone will connect to the jack on the top of the unit. Either mono or stereo
connectors may be used with a Listen receiver. Make certain you push the plug all the way
into the jack.
Turn the Unit On
Receivers are turned on by rotating the volume dial counterclockwise. The red LED on top of
the unit should activate and the LCD display should illuminate. If they do not, make sure you
have installed the batteries correctly and that you are using fully charged batteries.
Select Channel(s)
See page 44 for complete channel selection information.
Set Squelch
See page 29 for squelch and programming information.
9
Turn volume knob counterclockwise to
turn on
Red LED will illuminate when on
Earphone/Headset jack
LCD display will activate
when on