APOLLO Technical Manual
Jumpers and connectors
J1, J2, J3 – Audio connectors
3.5mm stereo audio jacks are used for audio connection. The audio codec can operate
in either of the following modes:
2.1 mode, which allows for microphone in, line in and line out operation.
•
•
5.1 mode, which provides six-channel surround sound output. The microphone input
and line in are not available during six channel mode.
Selection of 2.1 or 5.1 mode is made using software.
The audio connectors are illustrated in the following diagram:
Ring
Sleeve
Tip
Sleeve
Tip
Ring
The pin settings for each connector are described in the following tables:
J1 - 3.5mm audio jack
PC99 Colour: lime
Signal name
Pin
2.1 mode
5.1 mode
Tip
Line out left
Surround out left
Ring
Line out right
Surround out right
Sleeve Ground
Ground
© 2005 Arcom Issue A
27
