UNI EN 29241-3 : 2004

Cooperating organizations
National foreword
Foreword
1 Scope
2 Definitions
3 Guiding principles
4 Performance requirements
5 Design requirements and recommendations
5.1 Design viewing distance
5.2 Line-of-sight angle
5.3 Angle of view
5.4 Character height
5.5 Stroke width
5.6 Character width-to-height ratio
5.7 Raster modulation and fill factor
5.8 Character format
5.9 Character size uniformity
5.10 Between-character spacing
5.11 Between-word spacing
5.12 Between-line spacing
5.13 Linearity
5.14 Orthogonality
5.15 Display luminance
5.16 Luminance contrast
5.17 Luminance balance
5.18 Glare
5.19 Image polarity
5.20 Luminance uniformity
5.21 Luminance coding
5.22 Blink coding
5.23 Temporal instability (flicker)
5.24 Spatial instability (jitter)
5.25 Screen image colour
6 Measurement conditions and conventions
6.1 Measurement conditions
6.2 Photometric measurement requirements
6.3 Display luminance setting
6.4 Measurement locations
6.5 Screen distances
6.6 Specific measurements
7 Compliance
Annexes
A Analytical techiques for predicting screen flicker
A.1 An analytical method for predicting screen flicker
A.2 An algorithm for predicting flicker in a visual
      display
B Empirical method for assessing temporal and
      spatial instability (flicker and jitter) on screen
B.1 General
B.2 Procedure
B.3 Report
C Comparative user performance test method
C.1 Principle
C.2 Test subjects
C.3 The displays
C.4 Test workstation and environment
C.5 Test material
C.6 Familiarization with the test material
C.7 Procedure
C.8 Assessment of discomfort
C.9 Test results
C.10 Statistical treatment of results
C.11 Conformance
C.12 Bibliography
D Bibliography
National annexes
NA (informative) Committees responsible
NB (informative) Cross-reference

Establishes image quality requirements for the evaluation of design of single- and multi-colour VDTs.