•
U
Ussee S
Siid
dee O
Offffsseett
—
If the Eye Tracker is not placed right in front of the screen with the axis horizontally aligned, an
offset can be entered in the X Configuration Tool. In this case:
a.
Check the Use Side Offset tick box. The upper right area of the X Configuration Tool window becomes active.
b.
Enter the side offset value, measured from the center of the active display to the center of the eye tracker. Enter
a negative value if the eye tracker is located to the left of the center as seen from the front.
•
U
Ussee R
Roottaattiioonn
—
If the eye tracker is not placed parallel with the display or tracked object:
a.
Check the Use Rotation tick box. The bottom right area of the X Configuration Tool window becomes active.
b.
Enter the value of the angle between the back of the eye tracker and the active display. If the eye tracker is ro-
tated clockwise, enter a negative value.
3.
S
Saavvee tto
o E
Eyyee TTrraacckkeerr
—
Once you have entered all the needed parameters corresponding to your setup, you must click
Save to Eye Tracker in order to start using this configuration. The parameters will then be sent to the eye tracker and the
eye tracker will immediately be properly configured. When you change any parameter value in the tool, the button must
be pressed again for the eye tracker to get the new settings.
4.
You also have the option of saving the configuration as an .xcfg file locally on your computer by clicking the S
Saavvee ttoo
FFiillee...... button and setting the name and location of the file. Click LLooaad
d ffrroom
m F
Fiillee...... to load a previously saved .xcfg config-
uration file. This is useful if you want to save a particular configuration of a setup to be able to reuse it at a later point in
time or from another computer.
18
5 The X Configuration Tool
Tobii X2-30 Eye Tracker User
’
s manual v.1.0.3 - en-US
