AutoRAE Lite User’s Guide4612 MaintenanceOccasional cleaning of the AutoRAE Lite’s exterior is recommended. Use a damp cloth (water only,no solvents or cleaners) to wipe the exterior case and the dock area.Inspect the ports in the dock and the space between the Bump and Cal. buttons and the case. All ofthese locations are indicated below. If dirt has settled into any of these places, use a can of compressedair to blow it out.Important! Never use sharp tools or solvents to dislodge small obstructions. If debris is lodged in anyportion of the AutoRAE Lite and cannot be removed by compressed air or soft cloth, refer it toqualified service personnel.Inspect the AC adapter’s wires, the SD card slot, the USB port, the LEDs, and the area around theBump and Calibration buttons for dirt or debris. Also check the two rectangular switch locations andthe infrared communication port in the middle of the dock for dirt or debris.Do not leave dead batteries in the AutoRAE Lite. Over time, they may leak or corrode, causingdamage to the components in the battery compartment. Always use high-quality alkaline batteries.Check all of theselocations for dirt,debris, andobstructions