Bowers & Wilkins CCM7 Series Manual page 6

4.6 If the back box flange is to be painted it should be
done at this stage. Any conventional, domestic paint
may be applied by brushing, rolling or spraying. Use
the supplied paint mask to avoid getting paint in the
back box cavity. Painting without using the paint mask
risks contamination of the internal connection terminals
or the grille attachment magnets. The diagram above
illustrates painting using the paint mask.
Note: If the grille is to be sprayed this should be
done "off-line" before it is fitted.
CENTRE
LR
CENTRE
LR
4.7 If the speaker is to be used in the centre channel
role in a multi-channel system, select the centre
position on the cross-over mounted dispersion switch.
In all other applications select the left/right position
on the switch. The diagram above illustrates the
dispersion switch.