KETRON SD 80 Instruction Manual page 7

Connections
GAIN MICRO
MICRO OUT
INPUT IN
BRIGHTNESS
SPEAKER ON / OFF
On the right of the instrument you will find 3 USB Hosts for connection to external USB devices such as Pen drives,
HD etc.
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Potentiometer for adjustment of the Micro 1 input signal gain.
Standard mono jack dedicated exclusively to the Micro 1 output.
Standard mono jack for connection of auxiliary other instrument such Keyboard,
Expander, Guitar or Dynamic Microphone
Brightness adjustment
Switch for activating or exclusion of the internal speakers.