JETWAY 993AN User Manual page 37

audio result.
3. The mixer setup
There is a 4 speakers option in the volume control of the mixer, and when you enable this option,
it means the rear speakers are connected to Line-in/Rear jack. When Line-in/Rear jack is
connected to other external Line-in sources, please DO NOT enable this option in order to avoid
hardware conflicts. Regarding rear speaker option, you can turn on or turn off the output of the
back speakers, and adjust the volume, to have the rear/front speakers have the same volume.
3. The demo
Execute the "Helicopter" demo within the C3D HRTF Positional Audio Demos of this audio
adapter. When the helicopter flies behind you, the rear speakers will work.
Optical Kid for SPDIF/OUT (Option for motherboard that embedded PC Health chip)
The Optical Kid includes：
Optical Module
Optical Cable
Software DVD driver
An example of optical kit with MD connection.
OPTICAL MODULE
DIP-SWITCH
OPTICAL OUT
OPTICAL IN
J1：SPDIF-IN
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