The surface can be cleaned with a dry cloth to remove regular dry erase markers. Red and Green markers which are notorious for leaving behind residue can be removed with a damp cloth or a board cleaner if required.

With the current version of the server application, you do not have to recalibrate when you close the server or indeed restart you machine. If this is happening, you need to update the version of the server that you are using. You should visit the downloads section of the website

You can write on the surface of the board with dry erase markers. You can clean the dry erase markers with a normal cloth or board marker. For stubborn ink, a damp cloth will remove the remainder of the residue.

You can, as long as they are powered and are made by a reputable manufacturer such as Lindy or Belkin.

Yes, you can upgrade your warranty, contact your local reseller for pricing information.

You can extend the length of the USB cable by using an active repeater cable. This is a powered USB extender that boosts the signal. We recommend the use of a quality brand such as Belkin or Lindy as cheaper quality USB extenders can have problems. Using a non-powered extender will not work as the [...]