HP 8591C User Manual

I
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Channel Measurements
Making Channel Measurements
NOTE
The displayed video is inverted from how it would appear on a waveform analyzer (that is, sync is
displayed at the top in this test and would be displayed at the bottom with a waveform analyzer).
/’
e. Press TV TRIG ODD FLD to change to odd field or
TV TRIG EVEN FLD to change to even field.
f. Press TV TRIG VERT INT to trigger on both fields.
4. Press MORE INFO to display the test results, ideal value, and other
measurement considerations. See Figure 2-22. Press RETURN when
finished.
14:46:48 NOV 23. 1993
4
MKR 7 3000 msec
REF 83.86 mV
AT 10 dE! 10.230 mV
SMPL
LIN
DEPTH OF MODULATION TEST
The current test resu:t 1588 0%
The Ideal value 1s 87.5%.
NOTE'
This test requ,res that a white
reference be present I" at least one
horizontal line and that the slgnal
IS not scrambled.
SA SE
SC FC
CORR
0
RETURN
CENTER 67 275 MHz
SPAN 0
HZ
#RES BW 1.0 MHz
#VBW 1 MHz #SWP 20.0
lll5ec
Figure 2-22. Depth of Video Modulation, More Information
2-34

HP 8591C Specifications

General

Brand	HP
Model	8591C
Category	Measuring Instruments
Language	English