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Quick Reference
4
SPEAKER selection switch: this
selects the audio being routed
to the speaker amplifier to either
the OUTPUT or AUXILIARY audio.
Connect provided
power supply
here.
Optional 12V power: connect
optional battery or +12VDC
source here. The battery can
be recharged; see page 5.
CONTROL: remote
control of UP, DOWN
and MUTE functions.
All functions are
momentary closures to
common.
Unbalanced output:
phono, -10dBu nominal
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
SPEAKER connection:
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.
Balanced OUTPUT:
Male XLR, 0 or
-40dBu nominal
Unbalanced AUXILIARY
input: phono, -10dBu
nominal
Quick Reference
LR-100 Rear Panel
Balanced AUXILIARY input:
Combination Female XLR - ¼ in
connector; 0dBu nominal
MIC/LINE level switch:
reduces the balanced
OUTPUT audio gain by
40dB in Mic mode
Two internal
2 amp, fast
blow fuses