BS 7537-1 is the first part of the BS 7537 multi-series on measurement techniques and operational adjustments of broadcast VTRs that defines operational adjustments on analogue composite broadcast VTRs.
BS 7537-1 discusses measurement techniques and operational adjustments of broadcast VTRs with a focus on guide to operational adjustments on analogue composite broadcast VTRs.
BS 7537-1 on measurement techniques and operational adjustments of broadcast VTRs is useful for:
The video input signal to the VTR should be at nominal level and the output of the demodulator
should be adjusted by means of the modulator gain setting. The level of the record video signal is checked with a calibrated waveform monitor.
BS 7537-1 provides a procedure that will ensure that the field synchronizing pulse is recorded in the correct position on the tape. Overall, the guidelines of BS 7537-1 enable you to maintain the operational levels of broadcast VTRs.
IEC 61055-1:1991