DynaVox SPARK II Bedienungsanleitung Seite 39

Before switching on
Turn the adjusting knobs "BASS" (5) and "TREBLE"
(6) to middle position (the marking of the knob
points upwards). Turn the change-over switch
"SIGNAL IN" (3) to "HIGH" position. First deactivate
the 3D switch "3D" (1) by turning it to "OFF" posi-
tion. Turn the appliance on with the "POWER"
switch only after you have turned the volume con-
trol (4) counter-clockwise to minimum position.
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