Lectrosonics Long Ranger IV - Manual (Page 16)

Long Ranger 4
Troubleshooting
Symptom Possible Cause
Long Ranger red POWER lamp not on or dim
1) WIRELESS MICROPHONE VOLUME control in OFF position
2) Batteries completely discharged
3) 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 prob
lem 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 for “feedback” and/or red MOD LEVEL lamp on or blinking frequently
1) Transmitter gain set too high.
2) Output level of device connected is too high
Weak, distorted sound. Power lamp flickers. “Motorboating” (rapid popping sound.)
1) Batteries very low. Recharge.
LECTROSONICS, INC. 16