Quick Reference - Listen Technologies LR-300 User Manual

Quick Reference

LR-400 Front
LED - when lit, indicates
unit has power.
3.5mm Input Jack
A Listen earpiece or headset
connects here.
Look & Listen™
Display shows receive
level, channel, battery
status, and whether a
channel is locked.
See close-up on page
30.
28
ON/OFF & VOLUME control dial
LR-400 Top of Unit
LED indicators
· Steady Red: Normal operation
· Slow Flashing: Battery is low
· Slow Flashing while charging: Unit is charging
ON/OFF and VOLUME control dial -
rotate the dial counter-clockwise to
turn unit on and increase volume.
3.5mm Input Jack
A Listen earpiece or
headset connects
here.