Tektronix 1761 en Webster, Massachusetts, USA

This Monitor makes up a family of analog video waveform/vector monitors with progressive features in support of today's demanding television environment.
This unit provides improved video performance and ease of operation and incorporates application specific features.
The family features a common, straightforward operator interface, allowing the operator to take immediate advantage of the instrument's extensive feature set.
Each operating mode provides a full set of operating controls, clearly labeled and within easy reach.
Key controls are always available, with bezel buttons and knobs identified by intuitive on screen labels.