HP 54750A, User Manual, Page: 150 / 478

The Digital Communications
Analysis Menus
Mask T est Menu
T o create a polygon 1. Select the desired coordinate system from the Scale menu.
2. Select a new polygon number and then position the cursor by pressing:
4 Shift 5 4 Mask test 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Create mask...
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Edit Mask...
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
polygon #
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Edit polygon...
NNNNN
X and
NNNNN
Y
3. P osition the cursor at the location on the screen where you want to place
the rst point and then press:
N NNNNNNNNNNNNNNNNNNN
Insert
The rst point is displayed on the screen. The selected polygon number
appears on the display next to the rst point.
4. Repeat the procedure to place the second point.
The scope draws a line from the rst point to the second point, and the
NNNNNNNNNNNNNNNNN
Point softkey increments to the number 2.
5. Continue adding points up to a maximum of 512 points .
6.
Use the
NNNNNNNNNNNNNNNNNNNN
Delete softkey to remove a point or use the
NNNNNNNNNNNNNN
Move softkey to
change a point's location.
Y ou may notice that after you dene point number three , the scope draws a
dotted line between point number one and point number three . The dotted
line shows the last side of the polygon. As you add more points to the
polygon, the dotted line always connects to the last point you insert. When
you press the
NNNNNNNNNNNNNN
Done softkey to exit the Edit Mask menu, the dotted line turns
into a solid line .
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