Sony RM-VL900 Operating Instructions (primary manual) - Page 6

Getting Started Installing the Batteries Slide open the battery compartment lid and insert four size AA(R6) batteries (not supplied). Be sure to match up the + and - indications on the batteries with the + and - indications on the battery compartment. Insert the batteries negative-andfirst through the guide clamp within each compartment as shown above. When to replace the batteries Batteries for remote control operation (Four size AA (R6) batteries) Under normal conditions, the batteries will last up to five months. If the Commander does not operate properly, the batteries might be drained. When this happens, replace the batteries with new ones. Note Do not take more than one hour to replace the batteries; otherwise, your setting of the code numbers (page 8) and "learned" remote control signals (page 15) will be erased. Notes on batteries • Do not mix old batteries with new ones or mix different types of batteries together. • If the electrolyte inside the battery should leak, wipe the contaminated area of the battery compartment with a cloth and replace the old batteries with new ones. To prevent the electrolyte from leaking, remove the batteries when you plan not to use the Commander for a long period of time. 6