1. Introduction
This manual provides instructions for the ECONTROLLY RM-D657 replacement remote control. This remote is designed to be compatible with various LG TV models, including 37LC5DC, 37LG3500, MKJ32022830, and MKJ32022833. It offers a direct replacement solution without requiring any programming.

Image 1.1: Front view of the ECONTROLLY RM-D657 replacement remote control, showing all buttons and its ergonomic design.
2. Setup
The ECONTROLLY RM-D657 remote control is designed for immediate use upon battery installation. No programming or pairing is required.
2.1 Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards or press the latch and lift to open.
- Insert two (2) AAA alkaline 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.
The remote control is now ready for use with your compatible LG TV.

Image 2.1: Rear view of the remote control with the battery compartment open, showing the slots for two AAA batteries.
3. Operating Instructions
This remote control functions identically to the original LG remote it replaces. Point the remote directly at your LG TV and press the desired buttons.
3.1 Basic Functions
- POWER: Turns the TV on or off.
- INPUT/SOURCE: Selects the input source (e.g., HDMI, AV).
- VOL +/-: Adjusts the volume level.
- MUTE: Mutes or unmutes the TV sound.
- CH/PR +/-: Changes channels or programs.
- Number Buttons (0-9): Directly selects channels.
- MENU: Accesses the TV's main menu.
- Navigation Buttons (Up, Down, Left, Right, OK): Navigates through menus and confirms selections.
- EXIT: Exits the current menu or function.
- Q.VIEW: Quickly switches between the current and previous channel.
- PIP/SWAP: Picture-in-Picture functions (if supported by your TV).
- TEXT: Accesses Teletext (if supported by your TV).
Refer to your LG TV's original user manual for specific functions and advanced features that may be controlled by this remote.
4. Maintenance
Proper care will ensure the longevity of your remote control.
- Cleaning: Wipe the remote control with a soft, dry cloth. For stubborn dirt, lightly dampen the cloth with water or a mild, non-abrasive cleaner. Do not use harsh chemicals or immerse the remote in liquid.
- Battery Replacement: Replace batteries when the remote's response becomes sluggish or stops working. Always replace both batteries at the same time with new AAA alkaline batteries. Do not mix old and new batteries, or different types of batteries.
- Storage: Store the remote in a cool, dry place away from direct sunlight and extreme temperatures. If the remote will not be used for an extended period, remove the batteries to prevent leakage.
- Avoid Drops: Protect the remote from physical impact, as drops can damage internal components.
5. Troubleshooting
If you experience issues with your remote control, try the following solutions:
| Problem | Solution |
|---|---|
| Remote is not responding. |
|
| Some buttons are not working. |
|
| Remote works intermittently. |
|
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | RM-D657 |
| Brand | ECONTROLLY |
| Compatibility | LG TV models including 37LC5DC, 37LG3500, MKJ32022830, MKJ32022833 |
| Power Source | 2 x AAA Alkaline Batteries (not included) |
| Dimensions (L x W x H) | 7 x 2 x 0.65 inches (approximately) |
| Weight | 2.3 ounces (without batteries) |
| Color | Black |
| Special Feature | Ergonomic design |