Lectronics LongRanger4 Operating Instructions Manual - Troubleshooting
14
Long Ranger 4
LECTROSONICS, INC.
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
Long Ranger red POWER lamp not on
1) WIRELESS MICROPHONE VOLUME
or dim
control in OFF position
2) Batteries completely discharged
4) Battery terminals disconnected or loose
Long Ranger green RF lamp not on
1) Transmitter not on
2) Dead battery in transmitter
3) Transmitter and receiver not on same frequency
Long Ranger red POWER lamp and
green RF lamp on, but no sound
A) MOD LEVEL lamps dark
1) Transmitter is not getting an audio signal. Defective mic or cable.
2) Transmitter gain control set much too low
B) MOD LEVEL lamps indicating
1) WIRELESS MICROPHONE VOLUME control normal turned
completely down
2) Defective horn or speaker
System operation normal except
for high hiss or hum level
A) Green MOD LEVEL lamp
1) Transmitter gain control set too low
dark or barely flickers
2) Headset volume (white knob) turned down
B) MOD LEVEL lamps appear normal
1) Noisy microphone or mic cable? To verify, replace with
known good microphone.
2) Hiss in device connected to Long Ranger? Turn off
the device. If hiss stops, problem is in the device.
If hiss remains, the problem is in the Long Ranger.
3) Hiss in the Long Ranger can be caused by poorly shielded
computers, phone systems, older electronic organs, etc. Try
turning off nearby suspect equipment.
System operation normal except
1) Transmitter gain set too high.
for “feedback” and/or red MOD LEVEL
2) Output level of device connected is too high
lamp on or blinking frequently
Weak, distorted sound. Power
Batteries very low. Recharge.
lamp flickers. “Motorboating”
(rapid popping sound.)