CONTENTS

 

Annex 1  Brief description of test signals
 
1     Formulae (see Note 1)
        1.1     Test signal No. 1: grey
        1.2     Test signal No. 2: alternating white/black at 0.1 Hz
        1.3     Test signal No. 3: end-of-line pulses
        1.4     Test signal No. 4: black/white ramp
        1.5     Test signal No. 5: yellow/grey ramp
        1.6     Test signal No. 6: grey/blue ramp
        1.7     Test signal No. 7: cyan/grey ramp
        1.8     Test signal No. 8: grey/red ramp
        1.9     Test signal No. 9: CB, Y, CR, Y ramp
       1.10     Test signal No. 10: white, end-of-line porches
       1.11     Test signal No. 11: blue, end-of-line porches
       1.12     Test signal No. 12: red, end-of-line porches
       1.13     Test signal No. 13: yellow, end-of-line porches
       1.14     Test signal No. 14: cyan, end-of-line porches
       1.15     Digital colour bar signals
       1.16     Check field test signal
                  1.16.1     Equalizer testing
                  1.16.2     Phased-locked loop testing
 
2     Waveforms of test signals
        2.1     Grey: A1
        2.2     White: A2
        2.3     End-of-line pulses: A3
        2.4     Black/white ramp: A4
        2.5     Yellow/grey and cyan/grey ramp: A5
        2.6     Grey/blue and grey/red ramp: A6
        2.7     CB, Y, CR, Y ramp: A7
        2.8     White, end-of-line porches: A8
        2.9     Blue and red, end-of-line porches: A9
       2.10     Yellow and cyan, end-of-line porches: A10
       2.11     Check field test signals
                  2.11.1     Y for the first active line of the first field: A11
                  2.11.2     Y for equalizer testing: A12
                  2.11.3     Y for phase locked loop testing: A13
                  2.11.4     C for equalizer testing: A14
                  2.11.5     C for phase locked loop testing: A15
Annex 2  Sample values corresponding to test signal