Lectrosonics UH190 - Manual (Page 7)

Plug-on Transmitter
TROUBLESHOOTING
Before going through the following chart, be sure that you have a good battery in the transmitter the red power LED
on the transmitter panel should glow brightly.
SYMPTOM POSSIBLE CAUSE
NO AUDIO IS HEARD BUT RECEIVER 1) On/Off switch is in “mute” position
RF LED IS ON receiver or transmitter.
2) Microphone on/off switch is in “off” position.
NOTE: If the modulation level 3) Volume is turned down or off on
LEDs on the receiver are transmitter or receiver.
indicating properly, the problem 4) Receiver not properly connected to
is NOT in the transmitter. other audio equipment.
5) Transmitter POWER switch may be turned on and off (i.e.
through the mute position). A “thump” should be heard in the
sound, again indicating a properly functioning receiver.
NO SOUND IS HEARD AND RECEIVER 1) Transmitter not turned on. Check
RF LED IS OFF for power LED.
2) Receiver antenna may be defective or disconnected.
3) Transmitter and receiver frequencies don’t match. Check
frequency labels.
NOISE (HISS) IS HEARD ALONG 1) MIC LEVEL is too low (see page 5).
WITH THE SIGNAL 2) Transmitter and receiver may be too far from one another.
3) Receiver antenna may be defective or disconnected.
DISTORTED SOUND 1) MIC LEVEL is too high (see page 5).
2) Mic may be distorting; try a different mic and listen again.
3) PA system may be overloading.
EXCESSIVE FEEDBACK 1) MIC LEVEL may be set too high (see page 5).
2) Sound system volume set too high.
3) Microphone too far from the user’s mouth.
4) Loudspeakers may be too close to the mic.
Rio Rancho, NM – USA 7