This part of IEC 61041 specifies the general requirements for the calibration tape which is used for measurement of signal characteristics of the playback systems of non-broadcast video tape recorders (NTSC/PAL/SECAM). The calibration tape specified in this part of IEC 1041 applies particularly to the measurement items prescribed in the relevant part of IEC 1041 which requires complex test signals, which are unavailable from a general purpose test signal generator.