R520: Difference between revisions

140 bytes added ,  2 January 2013
no edit summary
No edit summary
No edit summary
Line 1: Line 1:
The Tektronix 520 is an NTSC vectorscope.  It was [[introduced in 1967]].
* [http://w140.com/tek_520.pdf Tektronix 520/R520 Manual (PDF)]
<gallery>
<gallery>
Image:Tek type r520.jpg
Image:Tek type r520.jpg