Contents, Getting Started, AC Power and Control

Getting Started ______________________________________ 3

A Few Precautions	3
Placement	3

AC Power and Control ________________________________ 3

AC Power Input 12	3
Power Switch 1 and Power Indicator 2	4

Digital Signal Connections ____________________________ 4

Digital Inputs	5 and	7	4
Digital Input Selector Switch 6			4
Coaxial Digital Output		8	4
DTS Indicator	3 and Signal Indicator 4		4

Analog Signal Connections ___________________________ 4

25-pin Analog Output 10	4
RCA Analog Outputs 11	4
25-pin Analog Input 9	4

Specifications ________________________________________ 5

RDA-985

A Few Precautions

Please read this manual carefully. In addition to installation and operating instructions, it provides valuable information on various RDA-985 system configurations as well as general information that will help you get optimum performance from your system. Please contact your authorized Rotel retailer for answers to any questions you might have. In addition, all of us at Rotel welcome your questions and comments.

Save the RDA-985 shipping carton and all enclosed packing mate- rial for future use. Shipping or moving the RDA-985 in anything other than the original packing material may result in severe dam- age that is not covered by the warranty. Be sure to keep the origi- nal sales receipt. It is your best record of the date of purchase, which you will need in the event warranty service is required.

Placement

Use common sense when placing the RDA-985 in a cabinet or when stacking other equipment. Make sure that the shelf or cabi- net can support its weight. Do not stack heavy components on top of the RDA-985. Avoid placing the unit where it may be subject to excessive heat such as on top of a large power amplifier or near a heat register. For best performance, avoid placing the unit where it may be subject to vibration, such as near a speaker.

Getting Started

Thank you for purchasing the Rotel RDA-985 DTS® Decoder. The RDA-985 is a high-quality outboard digital processor for decoding discrete DTS 5.1 channel surround sound encoded Laser Discs and Digital Video Discs. The RDA-985 accepts an encoded DTS digital signal, decodes it, and sends six discrete analog surround sound audio signals to the 5.1 channel input on a surround sound processor or other system controller. With its premium compo- nents, Balanced Design, and robust construction, the RDA-985 will provide years of enjoyment in your audio/video system.

The RDA-985 is simple to operate. Other than a power switch, there are no front panel controls or switches. The unit senses when a DTS signal is present and engages the decoding circuitry automatically.

The RDA-985 also provides pass-through digital outputs and ana- log inputs to provide full flexibility in a number of system configu- rations. For example, a second outboard decoder (such as Dolby Digital) can be connected to the analog inputs of the RDA-985.

When a DTS signal is present at the digital input, the RDA-985 will decode it and send the signal to the outputs. When no DTS signal is present, the RDA-985 will pass the signal from the analog inputs to the outputs.

AC Power and Control

AC Power Input 12

Your RDA-985 is configured for the proper AC voltage in the coun- try where you purchased it (either 115 volts or 230/240 volts). The AC line configuration is noted on a decal on the back panel.

Note: Should you move your unit to another country, it may be possible to reconfigure it for use on a different line voltage. Do not attempt to perform this conversion yourself. Opening the enclo- sure of the RDA-985 exposes you to dangerous voltages. Consult a qualified service person or the Rotel factory service department for information.

The RDA-985 should be plugged directly into a 2-pin polarized wall outlet or into the switched outlet on another component in your audio system. Do not use an extension cord.

Be sure the power switch on the front panel of the RDA-985 is turned off. Then, connect the supplied power cord to the AC power receptacle on the rear of the unit and the AC power outlet.

If you are going to be away from home for an extended period of time such as a month-long vacation, it is a sensible precaution to unplug your RDA-985 (as well as other audio and video compo- nents) while you are away.