A&M XTM S P4 User Manual page 11

Rocker switch function
Press briefly:
Program up/down
Volume up/down
Sound mixer (audio input)
Press long:
Standby/turn on
Program up/down
Press very long:
Standby/turn on
L = Left, R = Right
Push button function
Press briefly:
Program change
Sound mixer (audio input)
Press long:
Standby/turn on
L = Left, R = Right
L R
L R
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