User manual

00026496.DOC, Version 1.3
17/34
For optimum receiving:
• maintain a line-of-sight between the microphones and receiver antennas.
• make sure the distance between the microphones and the receiver is not too long.
• make sure the reception is not disturbed by objects in the transmission path; avoid placing the
microphones and the receiver where metal or other dense materials may be present and computers or
other HF-generating equipment (min. 50 cm distance).
• make sure the batteries of the hand-held microphone are always sufficiently charged.
4 Switch on the following audio unit (e.g. amplifier or mixer).
5 Speak into the microphone and match the output level of the receiver to the input of the following unit
with the respective level control. If the receiver is overloaded by a volume on a microphone which is too
high "AUDIO PEAK" lights up.
6 The input amplification of the microphone is variably adjustable with the gain control. Thus, the volume
level of the microphone can be readjusted. For gain adjustment, remove the screw cap. Reduce gain if
the volume of the microphone signal is too high and thus distorted (indication "AUDIO PEAK"). Increase
gain if the volume is too low and a poor S/N ratio results.
7 To mute the microphone during operation, set the mute switch to its lower position "MUTE". Then no
sound will be transmitted.
8 After operation switch off the microphone.
7 PROBLEM CART
PROBLEM REMEDY
No power.
• Check the connection cable of the power unit and any extension-cables.
No sound; receiver
indicator does not light.
• Make sure transmitter and receiver are switched on.
• Check the transmitter's battery LED to ensure that the battery is providing
power. Replace the battery if necessary.
• Make sure that the receiver is in the line of sight of the transmitter. If
necessary, reduce the distance between transmitter and receiver.
No receiver sound;
receiver indicator lights.
• Turn up the receiver audio output level control.
• Check for proper connection between receiver and mixer/amplifier.
• Talk into the microphone and observe the receiver's reception indicator. If it
lights up the problem is elsewhere in the sound system.
Received signal is noisy
or contains extraneous
sounds with transmitter
on.
• Check the transmitter's battery LED to ensure that battery is providing power.
• Remove local sources of HF interference, such as lighting equipment.
• Two transmitters may be operating on the same frequency. Locate and turn
one off.
• The signal may be too weak. If possible, move the receiver closer to the
transmitter.
• Adjust receiver squelch control.
Noise from receiver with
transmitter off.
• Adjust receiver squelch control.
• Remove local sources of HF interference, such as lighting equipment.
• Reposition the receiver.
Momentary loss of sound
as transmitter is moved
around performing area.
• Reposition receiver and perform another test and observe the reception
indicator. If audio drop-outs persist, mark these dead spots in the performing
area and avoid them during the performance.