Lectrosonics R33 - Manual (Page 13)

Professional Wireless System
9. TROUBLE SHOOTING
wireless system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equip­
ment needs repair. Make sure you have followed the setup procedures in section 7. Check out the equipment and
cabling that connects the wireless to your sound system and then go through the trouble shooting guide in table A on
pages 12 and 13.
If this doesn’t fix the problem, then go to section 10 for SERVICE AND REPAIR.
TABLE A
TROUBLESHOOTING THE PERFORMER WIRELESS SYSTEM
SYMPTOM
R33 red POWER light not on or dim.
R33 green RF light not on.
R33 red POWER and green RF lights on but no audio.
A. MODULATION LEVEL lights not lighted.
B. MODULATION LEVEL lights on.
System operation normal except for high hiss level.
A. Red MODULATION light does not flash on during
performance.
B. Red MODULATION light does flash during perfor­
mance.
System operation normal except excessive hum level.
System operation normal except for excessive feedback
during quiet portions of vocals and singer is having
difficulty hearing monitors during loud portion of vocals.
POSSIBLE CAUSE
1. OFF-MUTE-ON switch in off position. Batteries low in
R33B rechargeable version.
2. Power supply not plugged in or AC receptacle dead.
3. Power supply cable or power supply defective.
1. M33 not turned on.
2. Dead battery in M33.
3. M33 is on different frequency than R33.
4. Antenna not hooked up to R33 properly.
5. Optional battery in R33B not charged.
1. M33 Is not getting an audio signal. Defective mic,
instrument or cable.
1. R33 OFF-MUTE-ON switch is in the mute position.
2. R33 VOLUME control is turned down completely.
3. Cable between R33 and sound system is defective.
4. Sound system input off or defective.
1. Gain control on M33 set much too low. See section 6
for correct adjustment.
1. Hiss on signal being fed into M33. Disconnect mic or
signal source. If hiss stops, problem is in signal
source, not with wireless.
2. Hiss in sound system hooked up to R33. Turn the R33
off. If hiss still remains, then the hiss is in the sound
system.
1. See above procedure for hiss level and follow the
same steps.
1. M33 gain set much too high. The red MODULATION
LEVEL light will be on much of the time. See section 6
for correct adjustment.
Rio Rancho, NM – USA 13