➤ Supplied accessories En 4Before connecting, make sure you have received all of the following items.SRT-1500The unitSupplied accessories• The supplied optical cable may not be needed depending upon connections.Preparing remote controlBefore installing batteries or using the remote control, be sure to read battery andremote control precautions in “Quick Reference Guide” (separate booklet).About this manual• In this manual, operations that can be performed using either the front panel keys or the remote controlare explained using the remote control.• indicates supplementary explanations for better use.• indicates precautions for use of the unit and its feature limitations.Supplied accessoriesRemote control Batteries(AAA, R03, UM-4; x2)Optical cable(1.5 m (4.9 ft))Owner’s Manual CD-ROM Quick Reference Guide MusicCast Setup GuideInstalling the batteriesOperation rangeBattery × 2(AAA, R03, UM-4)Peel off the protection sheetbefore use.Within 6 m (20 ft)