Lenovo L2461x Wide Flat Panel Monitor - Manual (Page 35)

Appendix
E. Touch screen description
© Copyright Lenovo 2009. ©
E-1
General specification
Accuracy ±2.5 mm over 95% of touchable area; compliant with Microsoft
Windows 7 Logo requirements.
Aspect Ratio 16:9
Drift No drift within operating temperature range.
Ambient light rejection No effect from 50 W halogen or 58 W fluorescent lights. Test
position 1 m above the display, 30° forward of the display
plane. 50/60 Hz elimination enabled.
Sensor response time Less than 20 ms for two touches.
Static touch height 1 to 2 mm.
Capabilities Point-and-click, signature capture, sketching, painting and
gestures where enabled in Windows 7.
Touch durability Unlimited.
Scratch resistance Touch operation is not affected by scratches.
Touch activation force Optical touch technology requires no pressure to activate.
Touch method Finger, gloved hand, brush or stylus.
Stylus diameter 7 mm minimum.