Auto-Face VII Graphic Control Panel Features through the panel switches such as: Otto Engineering Inc., P Series; Honeywell, Micro Switch, AML series; IDEC Corp., A6 series; Allen Bradley, 800E series; EAO Switch Corp., series 19; and Square D, Telemecanique Indicators are T-1 3/4 LED indicators, available in red, green, yellow, amber, white and blue LEDs are mounted through the graphic faceplate Graphic faceplate construction consists of .125" aluminum sub plate, 6mil photographic film back painted and highlighted, protective over-laminate to preserve the graphic from damage. Key areas are highlighted using a silkscreen technique. Graphic colors: background for the Auto-Face VII is typically black with colored lines and legends selected from a chart of over 40 colors. LEDs and switches are wired to 37 pin connectors