Internal Windscreen - AKG WMS40 Mode D'emploi

sounds arriving from in front of it (your
voice) while picking up much less of
sounds arriving from the sides or rear
(from monitor speakers
instance).main ("FOH") speakers in front
of the microphones (along the front edge
of the stage). If you use monitor speak-
ers, be sure never to point any micro-
phone directly at the monitors, or at the
FOH speakers.
Feedback may also be triggered by
resonances depending on the acoustics
of the room or hall. With resonances at
low frequencies, proximity effect may
cause feedback. In this case, it is often
enough to move away from the micro-
phone a little to stop the feedback.
4.4 Backing Vocals (Refer to fig. 6)
1. Never let more than two persons
share a microphone.
2. Ask your backing vocalists never to
sing more than 35 degrees off the
18
for
Fig. 6: Backing vocals.
microphone axis.
The microphone is very insensitive to
off-axis sounds. If the two vocalists
were to sing into the microphone from
a wider angle than 35 degrees, you
may end up bringing up the fader of
the microphone channel far enough to
create a feedback problem.
4.5 Troubleshooting
For troubleshooting hints, refer to the
instruction manual of your receiver.
5 Cleaning
5.1 Surfaces
To clean the transmitter case,
use a soft cloth moistened with water.

5.2 Internal Windscreen

1. Unscrew the wire-mesh cap of the
handheld transmitter CCW and remo-
ve the wire-mesh cap from the trans-
mitter.
2. Remove the windscreen (foam sheet)
from the wire-mesh cap.
3. Wash the windscreen in mild soap
suds.