6PLEASE DISPOSE OF OLD OR DEFECTIVE BATTERIES IN AN ENVIRONMENTALLY SAFEWAY AND IN ACCORDANCE WITH YOUR LOCAL LAWS AND REGULATIONS.BATTERY SAFETY: Clean the battery contacts and also those of the device prior to battery installation. Remove batteries from equipment which is not tobe used for an extended period of time. Follow the polarity (+/-) diagram in the battery compartment. Promptly remove dead batteries from the device. Dispose ofused batteries properly. Only batteries of the same or equivalent type as recommended are to be used. DO NOT incinerate used batteries. DO NOT dispose of batteriesin fire, as batteries may explode or leak. DO NOT mix old and new batteries or types of batteries (alkaline/standard). DO NOT use rechargeable batteries. DO NOTrecharge non-rechargeable batteries. DO NOT short-circuit the supply terminals.Display SetupSet the A-B-C SwitchLocate the A-B-C switch insidethe battery compartment. Setthe A-B-C switch to A, B or C.You must select the same letterchoices for both the display andthe sensor in order for the unitsto synchronize.Install or Replace Batteries(optional)1. Remove the batterycompartment cover.2. Insert 3 x AA alkalinebatteries into the batterycompartment, as shown.Follow the polarity(+/-) diagram in thebattery compartment.3. Replace the battery cover.Plug in Power AdapterFor the best performance, plugin the power adapter as the mainpower source for this product.2 312 Install BackupBatteries(optional)3 AA batteriesA B C1 A-B-C Switchset to matchsensor3 Plug inPowerAdapterIMPORTANT: Batteries area backup power source topreserve records in the eventof a power outage. Poweradapter is recommended asthe primary power source toenjoy the full functionality ofthis product.