Tektronix VM700A - Figure 4-5: Cursors Mode Indicating Color Burst Amplitude

Section 4 - Waveform Mode
4-16
VM700A Option 01 (NTSC) & Option 11 (PAL) User Manual
To Make an Amplitude Measurement. Vertically expand the desired portion of the
signal to give adequate resolution.
Use the control knob to position the bottom (or top) of the portion of the
waveform to be measured on the horizontal reference line. See Figure 4-4.
Select the Reset Diffs soft key to reset the Vertical delta: readout to 0.000 Volts.
Use the control knob to position the top of the portion of the waveform to be
measured on the horizontal reference line. See Figure 4-5.
The Vertical delta readout now indicates the absolute amplitude of the waveform.
Figure 4-5: Cursors mode indicating color burst amplitude