7PLEASE 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 to beused for an extended period of time. Follow the polarity (+/-) diagram in the battery compartment. Promptly remove dead batteries from the device. Dispose of usedbatteries properly. Only batteries of the same or equivalent type as recommended are to be used. DO NOT incinerate used batteries. DO NOT dispose of batteries in 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 NOT rechargenon-rechargeable batteries. DO NOT short-circuit the supply terminals.Display Unit 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 unitand the sensor in order for theunits to synchronize.Install or Replace BackupBatteries (optional)1. Remove the batterycompartment cover.2. Insert 3 x AA alkalinebatteries into the batterycompartment, as shown.Follow the polarity(+/-) diagram in the batterycompartment.3. Replace the battery cover.Plug in Power AdapterFor the best performance, plugin the power adapter as the mainpower source for this product.2 31A B C2 Install BackupBatteries (optional)3 AA alkalinebatteriesIMPORTANT: Batteries are a backup power source to preserve records in the event of apower outage. Power adapter recommended as the primary power source to enjoy the fullfunctionality of the product.3 Plug in PowerAdapter1 A-B-C Switchset to matchsensor