Troubleshooting; Optional Accessories - LD Systems U500 Serie Bedienungsanleitung

TROUBLESHOOTING

PROBLEM DISPLAY
No audio signal or Receiver: Reception is not displayed on antenna A or B.
low level
Receiver: Display light is off
Receiver: Reception is not displayed on antenna A or B.
Transmitter: Device is turned on. Charge status of the
batteries is ok.
Receiver: Neither antenna A nor antenna B LED is
displayed.
Distortion and Receiver: Radio signal is displayed
interference
Distorted sound Transmitter and Receiver: "LOW BATTERY" is displayed.
Receiver: AF PK peak indicator is displayed on the
receiver display.

OPTIONAL ACCESSORIES

LDU500CH - Microphone head with condenser capsule and hyper cardioid directivity (matt black)
LDU500DH - Microphone head with dynamic capsule and hyper cardioid directivity (matt black)
LDU500CC - Microphone head with condenser capsule and hyper cardioid directivity (matt silver)
LDU500DC - Microphone head with dynamic capsule and hyper cardioid directivity (matt silver)
LDU500RK - 19" rack installation kit for mounting a single receiver (2 rack brackets, 2 BNC adapters, 2 short antenna cables and 1 set of
screws included).
LDU500RK2 - 19" rack installation kit for mounting a dual receiver (2 rack brackets, 2 connectors and 1 set of screws included).
SOLUTION
Verify that the transmitter is turned on.
Check the batteries in the transmitter.
Check the power supply in the transmitter.
Check whether radio frequency of transmitter and
receiver match.
Check the transmission output.
Reduce the distance between transmitter and receiver.
Make sure that there is a direct line of sight between the
transmitter and receiver.
Make sure that the antennas of the receiver are aligned
upward and into a V-shape.
Reduce the amount of noise reduction (SQUELCH)
Increase the signal level or check the GAIN setting on
the transmitter.
Remove possible sources of interference (digital devices,
other wireless systems).
Increase the level of noise reduction (MUTE level) on the
receiver.
Replace the batteries in the transmitter.
Increase the signal level or lower the audio level GAIN on
the transmitter.
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