30    3M™ Multi-Touch Chassis Display User Guide 
 
3M Touch Systems, Inc. Proprietary Information – TSD-39373B 
 
•  If you are writing your own drivers, you should provide your own video alignment 
tool. 
Use the Paint program (Start→ Programs→ Accessories→ Paint) to determine if you 
have multi-touch operation.  Retest the accuracy after you perform a calibration.