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... for the EK 500 receiver
ț The antenna should hang freely and be at least 1 cm away from the
body. The antenna must not be in direct contact with the skin. If the
receiver is mounted onto a camera, we recommend using the A 17 helical
antenna.
... for optimum reception
ț Transmission range depends to a large extent on location and can vary
from about 10 m to about 150 m. There should be a “free line of sight”
between transmitting and receiving antennas.
ț If, with the EM 500 receiver, reception conditions are unfavourable, you
should use two remote antennas which are connected via antenna cable
(see “Accessories”).
ț To avoid overmodulating the receiver, observe a minimum distance of
5 m between transmitting and receiving antennas.
ț Observe a minimum distance of 50 cm between receiving antennas and
metal objects (such as cross members or reinforced-concrete walls).
... for multi-channel operation
ț You cannot use all adjustable frequency combinations simultaneously. The
factory-preset frequencies (presets), however, are intermodulation-free. If you
wish to program new frequency combinations, please contact your local
Sennheiser agent who will provide you with information on the correct
frequency choice.
ț When using several transmitters simultaneously, interference can be avoided
by maintaining a minimum distance of 20 cm between two transmitters.
ț Use special accessories for multi-channel applications (see “Accessories”).
8 Care and maintenance
SKM 500 hand-held transmitter
The SKM 500’s sound inlet basket should be cleaned from time to time.
Ǡ Unscrew the inlet basket (turn counter-clockwise) and remove it.
Ǡ Use a damp cloth to clean the inlet basket from the inside and outside.
Note:
Do not use any cleasing agents or solvents. Do not touch the
microphone’s contacts.
Ǡ Replace the inlet basket on the SKM 500 and screw it tight (taking
care not to loose the coloured identification ring).