Keysight M8000 Series of BER Test Solutions User Guide 417
Setting up Patterns 7
You can use the Settings Window to enhance the visualizations of the
current pattern. For details, refer to “Settings Window” on page -412.
Symbol Attributes
A symbol can have additional attributes to modify behavior. They are
supported by all symbols. These are:
1 Mask: This attribute only affects the Data In ports. It specifies if the
symbol is actually compared or masked (excluded from compare).
2 Squelch: This attribute only affect the Data Out ports. If this attribute
is 1, a squelch (out of band) level is used.
In addition there are coding specific attributes, to control aspects of the
coding like bypassing or using a scrambler.
Editing a Pattern
To edit a pattern:
1 Open an already existing pattern. Refer to Opening Existing Patterns
on page 401.
2 If no pattern is available, a new pattern can be created. Refer to
Creating New Patterns on page 398.
3 Select the bits to be edited in the patterns.
4 Use the keyboard to enter the required bits. It can be in form of 0 or 1.
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