User Manual
PT-AA140
10
4.
System Operation
4.1
Button Control
The buttons provides the control of volume/EQ control and switching. The LED
indicator will show the connecting status. The following content introduces audio
switching and EQ control in detail.
Operations: Press the corresponding button again for cyclic switching.
4.1.1
Audio switching
There are three switchable audio inputs, one 2xRCA input, one 3.5mm jack input, and
one digital fiber audio input, switchable through the buttons as below:
Audio Source Selection:
1: Dual mono audio
2: Stereo audio
3: Digital fiber audio.