Tektronix WFM6120 User Manual

Application Exa
mple
9. Select a second tile.
10. P ress the FIELD button to put a
second tile in field m ode and choose an
appropriate w
aveform mode.
11. Use the HORIZ
ONTAL knob to center
the vertical interval.
12. P ress the MAG button to increase the
timing resolution.
13. P ress the CAPTURE button to save the
waveform as
a baseline.
14. A pply an input that needs to match timing
of the first
input.
15. Adjust the
timing offset of the signal
being timed to m atch the timing to the
saved baseline.
16. Repeat steps 14 and 15 for any other
required
signals.
NOTE. Use the Cursors as markers or to measure timing differences between sources.
Other tiles can be used to set fine timing and check color frame alignment on composite signals. Alternatively, the other two
tiles c
ould be used for line and field rate displays without Mag active to show the location of significantly mistimed signals.
Using the Timing-Display Method
The Tektronix Timing Display provides a quick, easy way to meas ure the timing of an input relative to the external reference:
The rectangular display automatically scales to match the input signal. F or progressive signals, the display represents
one field; for interlace signals, the display represents one frame; and for composite inputs, the display represents one
color frame.
The cross-hair in the center represents zero offset, and the circle represents the timing of the input signal. Lines of
advance or delay are shown as vertical displacement, while timing errors of less than one line are s hown as horizontal
displacement. If the input is at the same time as the reference, then the circle will be centered on the cross-hair.
The timing offset is also shown numerically as lines and micro-seconds of advance or delay in the boxes at the right
side of the display.
For input and reference signals with closely related frame rates, there is only one timing relationship, so a single circle i s
shown on the display to i ndicate the timing offset of the input signal.
132 Waveform Monitors Quick Start User Manual

Tektronix WFM6120 Specifications

General

Brand	Tektronix
Model	WFM6120
Category	Monitor
Language	English