1. Introduction
This manual provides comprehensive instructions for the Zerone replacement remote control. Designed for compatibility with various Sony AV System models, including RM-AAU019, RM-AAU005, RM-AAU013, and RM-AAU025, this remote offers full functionality and a comfortable user experience. It is constructed from durable ABS material for longevity.
Please read this manual carefully before use to ensure correct operation and to familiarize yourself with all features.

Figure 1: Front and back view of the Zerone replacement remote control. The front displays all control buttons, while the back shows the battery compartment cover.
2. Setup
2.1 Battery Installation
The remote control requires two (2) AA batteries (not included) for operation. Follow these steps to install the batteries:
- Locate the battery compartment cover on the back of the remote control.
- Press down on the latch and slide the cover downwards to open the compartment.
- Insert two AA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.

Figure 2: Illustration of the battery compartment, showing where to insert two AA batteries. Batteries are not supplied with the remote.
2.2 Initial Use
Once batteries are installed, the remote control is ready for use. No programming is typically required for compatible Sony AV systems. Point the remote directly at your AV system's infrared receiver.
3. Operating Instructions
This remote control provides a comprehensive set of functions for your Sony AV system. The effective operating distance is typically more than 8 meters, though this can vary depending on the specific AV system model and environmental factors.

Figure 3: Detailed view of the remote control's front panel, highlighting the layout of all buttons for various functions.
3.1 Key Functions Overview
- Power (I/O): Turns the AV system on or off.
- TV Input: Selects the TV input source.
- Sleep: Activates the sleep timer function.
- DMPORT / AV I/O: Selects digital media port or audio/video input.
- Video 1, Video 2, Video 3, DVD: Direct selection for video inputs and DVD player.
- SAT, TV, SA-CD/CD, Tuner: Direct selection for satellite, television, Super Audio CD/CD, and tuner functions.
- 2CH, A.F.D., Movie, Music: Sound field and audio mode selections.
- AMP MENU, AUTO CAL, D.TUNING: Access amplifier menu, auto calibration, and digital tuning.
- Number Buttons (0-9, 10>/11, 0/10, 12): Direct channel or track selection.
- ENTER, MEMORY, FM MODE, TOOLS, MUTING: Various utility and control functions.
- Navigation Pad (Up, Down, Left, Right, Center ENTER): For menu navigation and selection.
- TV VOL MASTER VOL (+/-): Adjusts television and master volume levels.
- RETURN/EXIT, MENU: Navigates back or exits menus, and accesses the main menu.
- PRESET-, REPLAY, ADVANCE, PRESET+: Controls for preset selection and media playback.
- TUNING-, TUNING+: Adjusts radio tuning.
- Playback Controls (Rewind, Play, Fast Forward, Stop, Pause): Standard media playback controls.
4. Maintenance
4.1 Cleaning
To clean the remote control, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or alcohol, as these can damage the surface and markings.
4.2 Battery Replacement
Replace batteries when the remote control's response becomes sluggish or stops functioning. Always replace both batteries at the same time with new AA batteries. Do not mix old and new batteries, or different types of batteries. Dispose of used batteries according to local regulations.
4.3 Storage
If the remote control will not be used for an extended period, remove the batteries to prevent leakage and potential damage to the device.
5. Troubleshooting
- Remote not responding:
- Ensure batteries are installed correctly with the correct polarity.
- Replace old batteries with new ones.
- Check for any obstructions between the remote control and the AV system's infrared receiver.
- Ensure you are within the effective operating range (typically within 8 meters).
- Specific functions not working:
- Verify that your AV system model is listed as compatible (RM-AAU019, RM-AAU005, RM-AAU013, RM-AAU025).
- Some advanced functions may require specific settings on your AV system. Refer to your AV system's manual.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Zerone |
| Compatible Models | Sony AV System RM-AAU019, RM-AAU005, RM-AAU013, RM-AAU025 |
| Material | ABS |
| Remote Distance | More than 8 meters (varies by machine type) |
| Power Supply | 2 x AA Batteries (not included) |
| Product Dimensions | 8.27 x 1.85 x 0.87 inches (210 x 47 x 22 mm) |
| Item Weight | 2.82 ounces (approx. 80g) |
| Special Feature | Ergonomic design |

Figure 4: Physical dimensions of the remote control, showing its length, width, and thickness.
7. Important Safety Information
Please observe the following safety guidelines:
- Do not expose the remote control to direct sunlight, heat sources, or extreme temperatures.
- Avoid dropping the remote control or subjecting it to strong impacts.
- Keep the remote control away from water and other liquids.
- Do not attempt to disassemble or modify the remote control.
- Keep batteries out of reach of children. If swallowed, seek immediate medical attention.

Figure 5: General warning to read the instruction manual carefully before using the product.