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General| Brand | Denon |
|---|---|
| Model | AVR-687 |
| Category | Stereo Receiver |
| Language | English |
Warnings regarding electric shock, opening the unit, and exposure to moisture.
Comprehensive list of safety guidelines for product operation and maintenance.
Step-by-step instructions for automatic speaker calibration and room optimization.
How to select and play audio/video sources using input selectors and mode buttons.
Explains different surround sound modes and their optimal usage with various sources.
Overview of customizable system settings and their default values.
Guide to diagnosing and resolving common problems like no sound or display issues.
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