Panasonic PV500 User Manual page 180

Output example of angle
Condition
Start Angle: 45 degree
End Angle: -45 degree
Max. value (Max. angle): Projection
Detection angle
Position/Rotation Adjustment, Rotation Adjustment
No
X Direction 120 degree
Detects from the right side of X axis to the
maximum position.
Rotation
Adjustment
Angle
Start Angle 75 degree
Detects from start angle to the maximum
position.
178
Yes: Adjustment angle = 30 degree
120 degree
Detects from the right side of X axis (before
adjustment) to the maximum position.
90 degree
Detects from the right side of X axis (after
adjustment) to the maximum position.
45 degree
Detects from start angle (after adjustment) to
the maximum position
.