Listen LT-800 User Manual page 32

LR-100 Stationary Receiver / Power Amplifier
LR-100 Quick Reference - Rear Panel
SPEAKER connec-
tion: connect a 4 ohm
(or greater)
loudspeaker here.
ANTENNA connection:
attach supplied 90
degree helical antenna or
optional remote antenna
here. Uses standard 50
ohm BNC connector.
Two internal 2
amp, fast
blow fuses
Connect provided
power supply here.
SPEAKER selection
switch: this selects the
audio being routed to the
speaker amplifier to
either the OUTPUT or
AUXILIARY audio.
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CONTROL: remote
control of UP, DOWN and
MUTE functions. All
functions are momentary
closures to common.
Unbalanced output:
phono, -10dBu nominal
Optional 12V
power: connect
optional battery or
+12VDC source
here. The battery
can be recharged;
see page 30.
All specifications subject to change without notice.
Balanced OUTPUT:
Male XLR, 0 or
-40dBu nominal
Unbalanced AUXILIARY
input: phono, -10dBu nominal
MIC/LINE level
switch: reduces the
balanced OUTPUT
audio gain by 40dB
in Mic mode
AUDIO OUTPUT selection:
For RECEIVE audio only, select RX
ONLY;
For RECEIVE audio mixed with
AUXILIARY audio, select RX + AUX;
For RECEIVE audio when not
squelched and AUXILIARY audio
when squelched, select RX or AUX
Balanced AUXILIARY
input: Combination
Female XLR - 1/4 in
connector; 0dBu nominal