Alpha Group OutBack Power MATE3 Owner's Manual page 60

To scroll down to the next menu or
increase the value of the setting:
Touch the control wheel and
make a clockwise circle.
58
To select the option or setting value:
Press the button in the center of
the control wheel.
Figure 55 Using the Control Wheel
To scroll up to the previous menu or
decrease the value of the setting:
Touch the control wheel and
make a counter-clockwise circle.
Operation
900-0117-01-00 Rev A