Erratic Pen movement

Occasionally you will experience a smartboard that doesn't seem to work right. The pen won't draw a straight horizontal or vertical line. Should this happen the problem may lie with how it is mounted to a wall.

Smart Technical support claims that the board can pick up stray radio frequencies if it comes in contact with metal - like a chalkboard tray. The tray will act as an antenna and confuse the smartboard controller.

Find a way to mount the board such that the metal mounts (on the bottom) don't come in contact with any external metal sources and the problem will usually go away.