Tektronix CTS 850, User Manual

Page: 164 / 178

Setting Jitter/Wander Parameters
3–180
CTS850 SDH/PDH Test Set User Manual
To set the jitter hit threshold:
Press Menu
Button Select Menu
Page Highlight
Parameter
Select Choice
RECEIVE JITTER &
WANDER Jitter Hit
Threshold as appropriate
H
Select USER DEFINED to specify a jitter hit threshold different
from the predefined choices.
Setting the Pointer Hit Threshold
The pointer event threshold (available for PDH rates) determines the
sensitivity of the Jitter Pointer Hits measurement, which is based on
the frequency drift rate. To set the pointer event threshold:
Press Menu
Button Select Menu
Page Highlight
Parameter
Select Choice
RECEIVE JITTER &
WANDER Pointer Hit
Threshold as appropriate
H
Select USER DEFINED to specify a pointer hit threshold
different from the predefined choices. You can set the threshold
to any value between 0 and 10 ppm/sec.