Anritsu MP2110A BERTWave - Page 445

C.1 Mask file Specifications
C-3
Appendix C
The following items are described in the mask file.
Table C.1-2 Details of Mask File
Item Parameter to be set Description
Version
Masks Version#1
Make sure that the version is written.
Mask name
Mask name
Mask name displayed on the
measurement screen.
Mask type
Relative Mask
Fixed Mask
Relative: Sets coordinate of amplitude
direction by rate. The Mask
coordinate varies with the
amplitude of input signal.
Fixed: Sets coordinate of amplitude
direction at the fixed value.
The Mask coordinate does not
vary with the amplitude of
input signal.
Coordinates in
the top
TOP X Y X_min Y_min
X_max Y_max
Specifies each X and Y coordinate in
the area of Top/Middle/Bottom.
As for X_min and Y_min, set the
coordinate at –100% of Mask Margin.
As for X_max, and Y_max, set the
coordinate at +100% of Mask Margin.
The coordinate can be set up to 10
points. If it is not used, set “–1”.
Coordinates in
the middle
MIDDLE X Y X_min
Y_min X_max Y_max
Coordinates in
the bottom
BOTTOM X Y Y_min
X_max Y_max