1. Introduction
This manual provides essential instructions for the setup, operation, and maintenance of your ECONTROLLY RM-U185/RM-U306 series replacement remote control. This remote is designed to function as a direct replacement for various Sony Hi-Fi Receiver and Stereo AV System models, offering full functionality without the need for complex programming.
2. Product Overview
The ECONTROLLY replacement remote control is an infrared (IR) device designed to operate specific Sony audio-visual equipment. It replicates the functions of original remote controls for a seamless user experience.
2.1 Compatible Models
This remote control is compatible with the following Sony Hi-Fi Receiver and Stereo AV System models:
- STR-DE597
- STR-DE185
- STR-DE197
- STR-DE187
- STR-DE485, STR-DE485E
- STR-DE585, STR-DE585E
- STR-DE495
- STR-DE595
- STR-DE497

Figure 1: ECONTROLLY remote control demonstrating compatibility with various Sony models.

Figure 2: Front view of the ECONTROLLY replacement remote control.
3. Setup
3.1 Battery Installation
The remote control requires two (2) 1.5V AAA alkaline batteries (not included) for operation. Follow these steps to install the batteries:
- Locate the battery compartment on the back of the remote control.
- Press down on the tab and slide the battery cover downwards to open it.
- Insert two AAA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Slide the battery cover back into place until it clicks securely.

Figure 3: Battery compartment open for battery installation.

Figure 4: Battery compartment closed after battery installation.
3.2 Initial Use
No programming or pairing is required. Once batteries are installed, the remote control is ready for immediate use with your compatible Sony Hi-Fi Receiver or Stereo AV System.
4. Operating Instructions
Point the remote control directly at the infrared sensor on your Sony Hi-Fi Receiver or Stereo AV System. Ensure there are no obstructions between the remote and the device.
4.1 Basic Functions
- SYSTEM STANDBY (AV I/O): Powers the system on or off.
- Input Selectors (VIDEO1, VIDEO2, DVD/LD, CD, SA-CD, TUNER, MD/TAPE): Selects the desired audio/video input source.
- Number Buttons (0-9): Used for direct input of channel numbers, track numbers, or menu selections.
- VOLUME (+/-): Adjusts the master volume level.
- MUTING: Mutes or unmutes the audio output.
- MENU: Accesses the system's main menu.
- ENTER: Confirms selections within menus.
- Directional Buttons (Up, Down, Left, Right): Navigates through menus and settings.
- TV VOL (+/-), TV CH (+/-): Controls basic functions of a connected television (if supported by your receiver's remote codes).
- SLEEP: Activates the sleep timer function.
- SOUND FIELD: Cycles through various sound field modes.
- BASS BOOST: Enhances bass output.
- TREBLE (+/-), BASS (+/-): Adjusts treble and bass levels.
Refer to Figure 2 for the exact location of these buttons on your remote control.
5. Maintenance
5.1 Cleaning
To clean the remote control, wipe it gently with a soft, dry cloth. Do not use liquid cleaners, abrasive materials, or solvents, as these can damage the remote's surface or internal components.
5.2 Battery Care
- Replace batteries when the remote's response becomes sluggish or inconsistent.
- Always replace both batteries at the same time with new ones of the same type.
- If the remote control will not be used for an extended period (e.g., one month or more), remove the batteries to prevent leakage and potential damage.
- Dispose of used batteries according to local regulations.
6. Troubleshooting
- Remote control is not working:
- Ensure batteries are installed correctly with the correct polarity (+/-).
- Replace old batteries with new 1.5V AAA alkaline batteries.
- Check for any obstructions between the remote control and the device's IR sensor.
- Ensure you are within the effective operating range and pointing the remote directly at the device.
- Some functions are not working:
- Verify that your Sony Hi-Fi Receiver or Stereo AV System model is listed as compatible in Section 2.1.
- Some advanced functions specific to certain original remotes may not be replicated if they are not standard across the compatible models.
7. Specifications
| Brand | ECONTROLLY |
| Model Numbers | RM-U185, RM-U306, RM-U306B, RM-U306A |
| Compatible Devices | Sony Hi-Fi Receivers, Stereo AV Systems |
| Power Source | 2 x 1.5V AAA Alkaline Batteries (not included) |
| Special Feature | Ergonomic Design |
| Color | Black |
| Product Dimensions | 8 x 2 x 0.6 inches (approx.) |
| Item Weight | 3.2 ounces (approx.) |
8. Warranty and Support
For warranty information or technical support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your purchase receipt as proof of purchase.