User's Manual
LR
LECTROSONICS, INC.
6
IR PORT
AUDIO 
OUT
This device complies with part 15 of the FCC rules. 
Operation is subject to the condition that this device 
does not cause harmful interference.
CAN RSS-Gen/CNR-Gen
CAN ICES-3 (B)/NMB-3(B)
Model: LR-XX Made in the USA
Serial No. XXXXX
Frequency block XXX (XXX.X - XXX.X MHz)
Panels and Features
IR (infrared) Port
Settings for compatibility mode and frequency can be 
transferred from the receiver via this port to an IR en-
abled transmitter to simplify setup. The receiver is used 
to scan for a clear frequency, and the new frequency 
can be sent to the transmitter via the IR ports.
Balanced Audio Output
Balanced or unbalanced audio from mic to line level 
is provided on the TA3 output jack; adjustable in 1 dB 
steps from -50 dBu to +5 dBu.
Antenna Inputs
Two standard 50 ohm SMA connectors can be used 
with whip antennas or coaxial cable connected to 
remote antennas. 
Battery Compartment
Two AA batteries are installed as marked on the rear 
panel of the receiver. The battery door is hinged and 
remains attached to the housing.
USB Port
Firmware updates are made easy with the USB port 
on the side panel.
Balanced Audio 
Output
IR (infrared) 
Port
Antenna Inputs
Belt clip 
mounting 
hole
USB Port
Battery Compartment
Door
Battery polarity
1
2
3
Three-Pin TA3 Male
1)  Chassis ground (cable 
shield)
2)  Positive polarity term-
ianl for balanced audio 
circuits (aka “hot”)
3)  Negative polarity 
terminal for balanced 
circuits (aka “cold”)










