CONTENTS

Annex  A  –  Description of the standardized document facsimile test charts
        A.1     Dimensions of the test charts
        A.2     Test chart No. 4 – Black-white facsimile test chart BW01
Pattern descriptions
                  A.2.1     Pattern 1 – ITU-T border of 4 scales (between arrowheads) with inch and millimeter markings
2
                  A.2.3     Pattern 3 – Four patterns of truncated fan-type multiple-line pattern with low taper rate
                  A.2.4     Pattern 4 – Gurley type Pestrecov star pattern with circles of 50, 100 and 200 lines per 25.4 mm
                  A.2.5     Pattern 5 – Alternating black and white lines
                  A.2.6     Pattern 6 – Black-white bar patterns
                  A.2.7     Pattern 7 – Isolated black and white lines
                  A.2.8     Pattern 8 – NIST type resolution pattern
                  A.2.9     Pattern 9 – Tapered isolated black and white line patterns with the line width calibrated in microns or inches
                 A.2.10     Pattern 10 – Black-white bar pattern of 5 black plus white bars per 25.4 mm
                 A.2.11     Pattern 11 – Parallel lines inclined at 5 degrees from vertical
                 A.2.12     Pattern 12 – NIST type resolution pattern
                 A.2.13     Pattern 13 – Diagonal line for checking irregularities in vertical pitch
                 A.2.14     Pattern 14 – ISO character hexagonal line patterns for readability testing
                 A.2.15     Pattern 15 – Halftone dot screens of 10, 50 and 90 percent black
                 A.2.16     Pattern 16 – Line crossing pattern
                 A.2.17     Pattern 17 – Text in English, Arabic, Chinese, Russian, Spanish and French. English text is in 12, 10, 8, 6, 4 and 2 point sizes
        A.3     Test Chart No. 5 – Continuous tone facsimile test chart CT01
Pattern descriptions
                  A.3.1     Pattern 1 – A continuous (stepless) density wedge
                  A.3.2     Pattern 2 – A reverse of the continuous wedge of Pattern 1
                  A.3.3     Pattern 3 – A 48-step density tablet
                  A.3.4     Pattern 4 – A set of 16 horizontal gray scale strips
                  A.3.5     Pattern 5 – An architectural photo showing fine detail
                  A.3.6     Pattern 6 – Portrait