DC/5V: DC powerinterface
Input
Input signal switching
2.1 / 5.1: Switch between 2.1 and 5.1
To the 3.5 Headphone Audio input
Power: PowerIndicator Light
D1
Fiber optic l input indicator light
SPDlF 1: 1 st optical fiber signal inputSPDlF 2: 2 nd optical fiber signal inputCoaxial: Coaxial audio input
D2
Fiber optic input 2 indicator light
D3
Coaxial input signal indicator
D1, D2, and
D3 are all not lit: AUXinput signal light