User Manual
PT-AA140
3
2.
Panel Description
2.1
Front Panel
No.
Name
Function
①
Audio Input
Selection
To select the input audio source, after choosing the audio
source, the corresponding LED indicator will be on. No.1 is
for dual mono audio input (2 RCA connectors for L&R),
No.2 is for stereo audio input (3.5mm mini jack), and No.3
is for digital fiber audio input.
②
Audio
Control
Adjust the volume of the MIC, Line, or the level of Bass
and Treble with this button
③
Volume
Adjustment
To turn up/down or mute the corresponding audio.
▽
: Turn down the volume
△
: Turn up the volume
MUTE: Mute the output
1
2
3
