Kowa KE811CT - Manual (Page 19)

4-2. The setting of bottom dip switch
NO. 1 ON OPTION A button, momentary
OFF OPTION A button, alternate
2 ON OPTION B button, momentary
OFF OPTION B button, alternate
3 ON OPTION C button, momentary
OFF OPTION C button, alternate
4 ON OPTION D button, momentary
OFF OPTION D button, alternate
5 ON OPTION E button, momentary
OFF OPTION E button, alternate
6 ON OPTION F button, momentary
OFF OPTION F button, alternate
7 ON POWER CONT button, DIPLAY POWER button,
synchronization mode
OFF : un-synchronization
8 no working
All switches of bottom dip switch are set at OFF as initial setting.