DIN EN 16186-2:2013-09

This document gives design rules and guidance in order to ensure proper visibility, luminance and contrast of screens, controls and indicators in the cab in all operating conditions (day, night, natural or artificial incidental lighting). It covers three aspects: a) necessary characteristics of the displays, controls and indicators in order to ensure proper visibility: range of luminance and contrast, and possibility of adjustment of perceived brightness, b) rules for positioning of the displays, keyboards, controls and indicators in the cab and on the driver´s desk: position, angle of visibility, etc. with consideration of the normal driving position and of the working environment (windscreen, natural or artificial lighting in the cab, unwanted glare and reflections, etc.), c) design of symbols.