GEM Powerstation SK760 Owner's Manual page 237

3D EFFECT (F5)
The 3D effect is a spacializer which adds dimen-
sion to the SK760/880 Sounds.
Bass
A Bass equalizer which adds or removes the bass
frequencies.
Value range: –12dB ... +12dB
3D
Spatializer which affects the stereo outputs of the
instrument. The effect is not heard if the instru-
ment is connected to an amplification system in
mono.
Value range: –3dB ... –12dB.
Edit Mixer - 3D
Edit Mixer 12•3