Introduction
This manual provides detailed instructions for the proper use and maintenance of your Onkyo Audio Remote Control, model RC-527S. Please read this manual thoroughly before using the remote control to ensure optimal performance and longevity. Keep this manual for future reference.
Safety Information
Observe the following safety precautions to prevent damage to the remote control or injury to yourself.
- Do not expose the remote control to direct sunlight, high temperatures, or high humidity.
- Avoid dropping the remote control or subjecting it to strong impacts.
- Do not attempt to disassemble or modify the remote control. This will void any warranty.
- Keep batteries out of reach of children. If swallowed, seek medical attention immediately.
- Remove batteries if the remote control will not be used for an extended period to prevent leakage.
Setup
Battery Installation
The Onkyo RC-527S remote control requires two AA (R6) alkaline batteries. Batteries are not included with the remote control.
- Locate the battery compartment cover on the back of the remote control.
- Slide the cover downwards or press the latch and lift to open the compartment.
- Insert two AA (R6) batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Replace the battery compartment cover by sliding it back into place until it clicks securely.

Image showing the open battery compartment of the Onkyo RC-527S remote control, designed for two AA batteries. Observe the correct polarity markings for battery insertion.
Operating Instructions
This section details the functions of the buttons on your RC-527S remote control.

Front view of the Onkyo RC-527S audio remote control, displaying all buttons and their labels for various functions.
Basic Functions
- STANDBY/ON: Press to turn the audio component on or off (standby mode).
- INPUT: Press to cycle through available input sources (e.g., CD, DVD, TAPE).
- VOLUME (+/-): Adjusts the master volume level. Press '+' to increase, '-' to decrease.
- MUTING: Mutes or unmutes the audio output.
Source Selection Buttons
Dedicated buttons for direct selection of audio sources:
- CD: Selects the CD player input.
- MD: Selects the MiniDisc player input.
- CDR: Selects the CD Recorder input.
- DVD: Selects the DVD player input.
- TAPE: Selects the Tape deck input.
Playback and Navigation Controls
- Playback Arrows (►, ▮▮, ■): Control playback functions such as Play, Pause, and Stop for selected sources.
- Skip/Search (◀◀, ►►): Skips tracks or chapters, or fast-forwards/rewinds during playback.
- Number Buttons (0-9, 10/0): Used for direct track selection or inputting numerical values.
- SCROLL: Navigates through menus or lists.
- ENTER: Confirms a selection or enters a menu.
- GROUP: Used for navigating between groups of tracks or files.
Sound and Display Controls
- SURROUND: Activates or cycles through surround sound modes.
- S.BASS: Enhances or adjusts the super bass level.
- DISPLAY: Changes the information displayed on the audio component's screen.
- MODE: Cycles through different operational modes.
- CLEAR: Clears current selections or entries.
- REPEAT: Activates or deactivates repeat playback.
- CLOCK: Accesses clock settings or display.
- SLEEP: Sets a sleep timer for automatic power off.
- NAME: Used for naming functions or inputs.

Close-up image of the infrared (IR) emitter on the front of the Onkyo RC-527S remote control, which transmits signals to the audio device.
Maintenance
Proper maintenance ensures the longevity and reliable operation of your remote control.
- Cleaning: Wipe the remote control with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water or a mild detergent, then wipe dry. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace both batteries at the same time. Do not mix old and new batteries, or different types of batteries. Dispose of used batteries according to local regulations.
- Storage: If storing the remote control for an extended period, remove the batteries to prevent potential leakage and damage. Store in a cool, dry place away from direct sunlight.
Troubleshooting
If you experience issues with your remote control, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote control does not operate the audio component. |
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| Specific buttons do not respond. |
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| Remote control operates intermittently. |
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Specifications
- Model: RC-527S
- Brand: Onkyo
- Controller Type: Remote Control
- Color: Silver
- Dimensions (L x W x H): Approximately 15.4 x 5.2 x 2.5 cm (6.06 x 2.05 x 0.98 inches)
- Product Weight: Approximately 58 grams (0.13 pounds)
- Power Source: 2 x AA (R6) Alkaline Batteries (not included)
Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your Onkyo audio component or visit the official Onkyo website. Keep your purchase receipt as proof of purchase for warranty claims.
For further assistance, you may contact Onkyo customer service through their official channels.





