Standard colours:  1ZW cap solid colours: blue, grey, white, red, black  1ZW cap transparent colours: frosted white  1ZZ seal: black  1ZY support: transparent  1ZW cap can also have white legends on a black cap.  Illuminated 1ZW is created on a frosted white cap with reverse printed black soft touch surface with a rubber coating which gives a nice feel during the actuation and laser marking is used to make the legend/symbol.  In the center there is either , OK  and the four navigations have  legend.  Contolmec solution is mounted on a Multimec 5G switch in the middle and 4 Multimec 5E switches around. We recommend using through-hole switches for precise placing.  Note that only the center legend is illuminated with integrated LED in the switch (5G). The surrounding legends require 4 chip-LEDs on the PCB to be illuminated.  See more information in the brochure.