Pioneer AVIC-X940BT, Service Manual

Page: 86 / 292

AVIC-X940BT/XNUC
86
1 2 3 4
1 2 3 4
C
D
F
A
B
E
5. TOUCH PANEL CHECK
At the touch panel check, X, Y coordinates of location where touched are obtainable.
When touched, the coordination value where touched is displayed as well as vertical and
horizontal lines are illustrated with the cross point at the touched location.
The coordination value is set as the original point at upper-left and X coordinate to the right and
Y coordinate to the down, and maximum value of X coordinate is 800 and of Y coordinate is 480.
6. TOUCH PANEL TEST
The following two items are performed at the touch panel test;
1. Line Touch Panel Test
2. Calibration Test
3. User Calibration Confirmation
The line touch panel test is the test for determining whether touch panel is out of
alignment or not by depressing four points displayed on the screen.
At the calibration test, calibration adjustment is performed to compensate the
misalignment of the touch panel. User touches displayed 17 points in order and
correction is automatically performed after touching.
At the User Calibration Confirmation, it is displayed that whether the user has
executed calibration adjustment or not.