NF EN 61041-4 : 1997

INTRODUCTION
SECTION 1: GENERAL
1.1 Scope and object
1.2 Normative references
1.3 Definitions
1.4 Requirements
SECTION 2: SPECIFICATIONS OF THE SIGNALS TO BE RECORDED
ON THE CALIBRATION TAPE
2.1 Luminance signal level
2.2 Dropout compensation characteristics
2.3 Y/C delay
2.4 Switching position
2.5 Audio FM reference recording level
2.6 Audio FM peak recording level
2.7 Audio FM frequency response
Figures
1 Block diagram for luminance level preparation
2 Block diagram for the dropout generator
3 Block diagram for dropout level adjustment
4 Dropout of 20 us duration
5 Black marker in the dropout
6 Dropout of 3 H duration
7 Location of dropouts
8 Block diagram for Y/C delay measurement
9 Signal to be recorded
10 Delay in the luminance signal recording
11 Delay in the chrominance signal recording
12 Block diagram for switching position adjustment
13 Setting of the travelling microscope
14 View on the magnetic coating side of the tape
15 Block diagram for switching position measurement
16 Switching position
17 Block diagram for audio FM reference peak level recording
18 Block diagram for audio FM frequency response signal
    recording
Annex
ZA (normative) Normative references to international
publications with their corresponding European publications

Defines the general requirements for the calibration lapse used for measuring signal characteristics of the playback systems of non-broadcast video tape recorders (NTSC/PAL/SECAM).