Giving Demos of Advanced Tektronix 4000 Features
8. When you have found something in the
waveform that you are interested in, mark
it for further reference.
To do this, push the Set/Clear button on
the front panel to place a mark.
Notice the solid white triangle that
appears on the display. Later, you will
see w hy the triangles are solid.
This triangle is like a bookmark on the
waveform.
Tektronix 4000 Oscilloscope Demo In struction Manual 33