Buttons Controlling - OWI AMP-MA40 User Manual

Mini Digital Amplifier, with MIC Mixer and EQ
5.3 Dual-mono output: 2x20Watt@4Ω
The AMP-MA40 also has the function of double-mono output. It can sum up the left
and right channel, to be the mono audio output. In this way, both of the outputs are
showing the same mono audio.
The connection is:
Switching to the
"MONO"

6. Buttons Controlling

The buttons provides the control of volume/EQ control and switching.
6.1 Audio switching:
There are two switchable stereo audio inputs, one 2xRCA input, one 3.5mm jack input.
It can be switched through the buttons as below:
Source
Selection
Connecting the four pins, like this
6