TroubleshootingZpen User’s Guide 45Zpen OperationThis section describes problems associated with the operation ofthe Zpen and how to resolve them.• The Receiver does not "see" my Zpen. What can I do?There are several factors that affect the reception and signalbetween the Receiver and the Zpen. Firstly, there must be aclear line of sight between the two devices. This means thatthere cannot be any object in between the Receiver and theZpen that blocks the infrared signal.If you hold the pen with your fingers curled around it in such away that it blocks the line of sight, then the Receiver cannotdetect the Zpen. Loud noises can also affect reception.• How do I replace the Zpen's batteries?See Inserting the Zpen’s Batteries, page 17, for instructionsdescribing how to replace the pen’s batteries.• The written pages have distortionCheck if you are near strong acoustic noise (as PC fan,engine) or IR noise, it can cause distortion to the writing• New page button is not active.For the New Page button to be active, the pen should bewithin range of the Receiver.• Some of the data in the beginning was not saved.Start writing only when the Receiver’s left LED (Power) stopsblinking and is red.