1. Introduction
This manual provides essential instructions for the setup, operation, and maintenance of your RemotesReplaced compatible remote control for the Medion MD-81664 device. This remote is a dedicated replacement, designed to function identically to the original Medion MD-81664 remote without requiring any programming.
It is not a universal remote control. Its design ensures full compatibility and access to all original functions of your Medion MD-81664.
2. Product Overview
The RemotesReplaced remote control features a standard layout with 20 buttons, providing intuitive control over your Medion MD-81664. The remote operates using infrared technology.

Figure 2.1: Front view of the remote control, showing all buttons and their labels.

Figure 2.2: Top view of the remote control, illustrating the infrared (IR) emitter at the front.
3. Setup
3.1 Battery Installation
The remote control requires two (2) AAA batteries for operation. Follow these steps to install the batteries:
- 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 AAA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Replace the battery compartment cover, ensuring it clicks securely into place.

Figure 3.1: Back view of the remote control, indicating the battery compartment.
3.2 Initial Use
No programming or setup codes are required. Once batteries are correctly installed, the remote control is ready for immediate use with your Medion MD-81664 device.
4. Operating Instructions
To operate your Medion MD-81664 device, point the remote control directly at the device's infrared receiver. Ensure there are no obstructions between the remote and the device. The maximum effective range is approximately 10 meters.
4.1 Button Functions
The remote control provides access to all standard functions of your Medion MD-81664. Common button functions include:
- POWER: Turns the device on or off.
- MUTE: Mutes or unmutes the audio.
- TV/SAT/DVD/AUX: Selects the input source.
- MENU/EXIT: Navigates menus and exits current screens.
- Number Buttons (0-9): Direct channel selection or data input.
- SOURCE: Cycles through available input sources.
- GUIDE/EPG: Accesses the electronic program guide.
- VOL +/-: Adjusts the volume level.
- CH +/-: Changes channels.
- OK/Navigation Arrows: Confirms selections and navigates through menus.
- BACK: Returns to the previous screen or menu.
- SLEEP: Sets a sleep timer.
- FAV: Accesses favorite channels.
- NET TV/SMART: Accesses smart TV features or internet applications.
- Playback Controls (Play, Pause, Stop, Fast Forward, Rewind): Controls media playback.
5. Maintenance
5.1 Cleaning
To clean the remote control, use a soft, dry cloth. For stubborn dirt, lightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid using harsh chemicals or abrasive materials, as these can damage the remote's surface or internal components.
5.2 Battery Replacement
Replace batteries when the remote's responsiveness decreases or it stops functioning. Always replace both AAA batteries simultaneously with new ones. Do not mix old and new batteries, or different types of batteries, as this can lead to leakage or damage.
5.3 Storage
When storing the remote control for extended periods, remove the batteries to prevent potential leakage and damage to the device.
6. Troubleshooting
- Remote not responding:
- Check if the batteries are inserted correctly with the correct polarity.
- Replace old batteries with new AAA batteries.
- Ensure there is a clear line of sight between the remote's IR emitter and the device's IR receiver.
- Confirm you are within the maximum operating range (approximately 10 meters).
- Specific buttons not working:
- Clean the remote control surface, especially around the unresponsive buttons, to remove any debris that might be obstructing them.
- If the issue persists after checking batteries and cleaning, the remote may require replacement.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | RemotesReplaced |
| Model Number | MD-81664 |
| Compatible Device | MEDION MD-81664 |
| Connectivity Technology | Infrared |
| Special Features | No programming required, Pre-programmed |
| Color | Black |
| Number of Buttons | 20 |
| Controller Type | Button Control |
| Maximum Range | 10 Meters |
| Batteries Required | 2 x AAA |
8. Warranty and Support
8.1 Warranty Information
This RemotesReplaced compatible remote control comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or battery leakage.
8.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact your retailer or the RemotesReplaced customer support channel through which you purchased the product. Please have your purchase details and product model number (MD-81664) ready when contacting support.