1780R
![](http://w140.com/tekwiki/images/thumb/6/6a/Tek-1781R.jpg/350px-Tek-1781R.jpg)
The Tektronix 1780R is a combined vectorscope / waveform monitor for the NTSC standard. The PAL model is the 1781.
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The Tektronix 1780R is a combined vectorscope / waveform monitor for the NTSC standard. The PAL model is the 1781.