Tektronix WFM 601i, User Manual

Page: 44 / 135

Functional Check
1–26
Rev Jun 1994
WFM 601i Serial Component Monitor
Check that the readout shows 10
m
s/DIV. Horizontally center the display and
then press the MAG button. Check that the MAG indicator lights and that the
display changes to 1
m
s/Div. See Figure 1-21. Press the MAG button again to
return to 10
m
s/Div sweep.
.7
.6
.8
.5
.4
.3
.2
.1
–.1
–.2
–.3
Tek
COMPONENT ANALOG
2% & 4% K
PB
100%
50%
1 S/DIV
Figure 1-21: Two Line Magnified Display.
10. Flat or Differentiated Filter Selection
The WFM 601i offers the selection of an unfiltered display (FLAT), a 1 MHz
low-pass filter (LPASS), or a differentiated step (DIFF) filter for the waveform
display. The normal display is unfiltered. Press the FILTER button to enter the
filter menu. Check that FLAT is highlighted.
Change the digital input signal to the five-step luminance staircase signal.
Press the bezel button adjacent to LPASS and see that the label is highlighted by
the cursor box.
Press the bezel button adjacent to DIFF and see that the label is highlighted by
the cursor box. Check that there is a display similar to Figure 1-22.
Push the bezel button adjacent to FLAT and see that it is highlighted and the
five-step staircase luminance staircase is again displayed.
Push the FILTER button to turn off the FILTER menu and return to the
unfiltered staircase display.