HP 8591C, Руководство пользователя, Страница: 77 / 373

Channel Measurements
Making Channel Measurements
N O T E
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.
Press TV TRIG VERT INT to trigger on both fields.
Press MORE INFO to display the test results, ideal value, and other
measurement considerations. See Figure 2-22. Press RETURN when
finished.
N O V 2 3 . 1 9 9 3
M K R 7 3 0 0 0
R E F 8 3 . 8 6
AT 10 1 0 . 2 3 0
S M P L
L I N
D E P T H O F M O D U L A T I O N T E S T
T h e c u r r e n t t e s t 0 %
T h e v a l u e 8 7 . 5 % .
NOTE' t e s t t h a t a
r e f e r e n c e p r e s e n t a t o n e
a n d t h a t t h e
n o t s c r a m b l e d .
S C F C
CORR
0
RETURN
C E N T E R 6 7 2 7 5
S P A N 0 H
Z
1 . 0 1 2 0 . 0
Figure 2-22. Depth of Video Modulation, More Information
2-34