If you are having problems operating the Lightkeeper PRO, we encourage you to thoroughly read all instructions included with the Lightkeeper PRO and refer to our step-by-step guide first. A printable version of the original instructions is available on the main page of our Web site if needed. If after several attempts to follow the step-by-step guide you are still having problems, please refer to the Frequently Asked Questions section for additional information. We have included the answers to the most often asked questions concerning the operation of the Lightkeeper PRO.