HP 54750A, User Manual, Page: 117 / 478

Eye , Mask and Eyeline Mode Measurement T utorials
T esting to a Mask
Generating the mask 1. Select 4
Mask test
5 .
2.
Select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Create mask... from the Mask T est softkey menu.
3.
Select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Standard mask from the Create Mask softkey menu.
a.
Choose
N
NNNNNNNNNNNNNNNNNNNNNNNNN
Standard optical and
N
NNNNNNNNNNNNNNNNNNNNNNNNN
Standard STM16/OC48 from the
Standard softkey menu.
b.
Press
NNNNNNNNNNNNNNNNN
Enter .
4.
Select
N NNNNNNNNNNNNN
Done on the Standard Mask menu.
5.
Select
NNNNNNNNNNNNNN
Test on from the Mask T est softkey menu. When mask test is
turned on, testing will begin. The database will be cleared and reset
whenever 4
Clear displa y
5 is pressed, or when the horizontal or vertical scales
are changed.
6.
Select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Mask align on the Mask T est softkey menu. Once the mask is
aligned, it will automatically scale with the waveform as the vertical and
horizontal scales and osets are adjusted. Mask testing will be reset and
begin testing after the mask has been aligned.
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