Listen Technologies LR-300 EN - Manual (Page 42)

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LR-300
LR-300 Quick Reference
3.5 mm Output Jack: Connect a Listen earphone(s) here.
On/Off and Volume Control Dial
Power/Charging Port
Front Door Lock
LED: When lit, indicates unit has power. When batteries
are low or charging the LED fl ashes
SEEK Button: Allows the user to search for
or lock onto an active channel.
Battery Compartment:
Place two (2) AA batteries in compartment.
Be sure to follow polarity pattern.
Battery Select Switch: Choose the type of
batteries being used - Alkaline or NiMH.
SQ™ Switch: Turns SQ™ On/Off.