4.2Before the Soundcheck
1.Make sure that the transmitter and receiver are on the same frequency (refer to type plate).
2.Check the transmitter battery and replace or recharge it if necessary. Use fresh alkaline batteries only.
3.Check the performance area for dropouts (i.e. areas where poor reception is encountered). If you find any dropouts try to eliminate them by repositioning the antennae or the receiver.
4.Adjust the sensitivity of the receiver and beltpack transmitter correctly to avoid distortions.
5.Try and avoid feedback, especially when you use omnidirectional microphones (e.g. MCE 50).
4.3What to do about Feedback
Feedback is caused when the microphone is too close to a loudspeaker.
We recommend:
•Reduce the volume of the sound system.
•Move away from the loudspeaker.
•Turn the microphone away from the loudspeaker.
•Use a microphone with a cardioid, hypercardioid or supercardioid polar pattern.
Caution:
Feedback can also be caused if the sensitivity has been adjusted too high. In this case the transmitter is no longer working in the linear range, but in the limiter range. Therefore, if the level of the input sound drops, the gain is increased and feedback can occur. Turning down the input sensitivity of the transmitter to the correct position will prevent this from happening.
5.Trouble Shooting
5.1NE 100 Diversity Receiver
Problem |
| Possible Cause |
| Solution |
No function |
| • Power supply is interrupted. Power supply |
| • Connect the power supply unit to the |
|
| |||
|
| unit is not connected to the mains and/or |
| mains and/or to the receiver |
|
| to the receiver |
|
|
|
|
|
|
|
No reception |
| • Transmitter is not switched on |
| • Switch on the transmitter |
|
| • Transmitter works on a different |
| • Make sure that the transmitter and |
|
| frequency |
| receiver are on the same frequency |
|
| • Receiving antennae are not positioned |
| • Position the receiving antennae |
|
| correctly |
| correctly |
|
|
|
|
|
Distorted sound |
| • Input amplifier of the connected mixer is |
| • Use the reduction of the mixer or |
|
| overloaded |
| adjust the volume (5) |
|
| • Input sensitivity is too high (TS 100 only) |
| • Reduce sensitivity |
|
|
|
|
|
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