User guide

5 Start

This starts the Mask Measurement.You also have options for setting Mask

Margins, and Mask Scaling.

Click the mask readout button on the bottom left of the screen to either see,

or close the detailed mask readout.

How to Customize Mask Files

A Mask file can be modified as per requirements. Following are the sections in a

mask file:

Mask File Identifier

The mask file identifier is the first line in a mask file. If the identifier string is missing

or incorrect, the file will not be loaded and an error dialog box will be displayed.

MASK_FILE_N49xxx

Mask Title

The mask title is a quoted string of up to 15 characters. The title is displayed on

the mask readout when the file is loaded.

Example to Mask Title:

"2xGB Ethernetaa"

Region Number

The region number is an integer that defines a mask violation area (or polygon).

You can specify 1 to a maximum of 3 regions in a mask file.

Example to Region Number:

Advanced Analysis 6

Agilent J-BERT N4903B High-Performance Serial BERT 327