Dettson EVO Installation And Owner's Manual page 88

9. Operation
Swing function (For the units without vertical swing function )
Use Swing button to adjust the Up-down air ow direction and
start the auto swing function.
1.Each time you press this button, the louver swings an angle of 6 degrees.
Press this button until the desired direction reaches.
2.If press and hold the button for 2 seconds, the auto swing is activated.
The " " mark appears. Press it again to stop. (some units)
For the units with four Up-Down louvers, it can be operated individually.
1.Press the Swing button to activate the Up-Down adjusting
louver function.
The
2.Pressing the button "
four louvers. Each time you push the button, the louver will
be selected in a sequence as:
-0
(
21
mark will flash. (Not applicable to all the models)
means the four louvers move at the same time.)
-0 -1
-2
" or " " can select the movement of
-3 -4