Introduction
This manual provides instructions for the proper setup, operation, and maintenance of your ZdalaMit RMT-AA401U replacement remote control. This remote is designed to be compatible with specific Sony AV Receiver models without requiring any programming.
Setup
1. Battery Installation
The RMT-AA401U remote control requires two (2) 1.5V AAA ALKALINE batteries for operation. Rechargeable batteries are not recommended.
- Locate the battery compartment cover on the back of the remote control.
- Press down on the tab and slide the cover off.
- Insert two AAA ALKALINE 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.

Image: ZdalaMit RMT-AA401U Remote Control, angled view. This image displays the layout of the buttons on the remote, including power, input selectors, navigation, and playback controls.
2. Initial Use
No programming or pairing is required for this remote control. Once the batteries are correctly installed, the remote is ready for immediate use with compatible Sony AV Receiver models.
Compatibility Note: This remote is specifically designed for Sony AV Receiver models STR-DH190, STR-DH590, and STR-DH790. Ensure your AV receiver model is listed for proper functionality.
Operating Instructions
The RMT-AA401U remote control provides comprehensive control over your compatible Sony AV Receiver. Below is a general overview of the main button functions:

Image: ZdalaMit RMT-AA401U Remote Control, top-down view. This image provides a clear, direct view of all buttons and their labels on the remote control.
- Power Button (⏻): Turns the AV receiver on or off.
- Input Selectors (e.g., BD/DVD, MEDIA BOX, BLUETOOTH, GAME, SA-CD/CD, TV, FM): Selects the desired input source for the AV receiver.
- BLUETOOTH PAIRING: Initiates Bluetooth pairing mode for connecting devices.
- SLEEP: Sets a sleep timer for the AV receiver.
- INFORMATION: Displays information about the current input or content.
- DISPLAY: Changes the display mode or information shown on the AV receiver's screen.
- Sound Field Buttons (e.g., 2CH/MULTI, PURE DIRECT, SURROUND, NIGHT MODE): Selects various sound modes and audio processing options.
- DIMMER: Adjusts the brightness of the AV receiver's display.
- AMP MENU: Accesses the amplifier's main menu for settings adjustments.
- Navigation Buttons (Up, Down, Left, Right, Enter/Center): Used to navigate menus and confirm selections.
- BACK: Returns to the previous menu or screen.
- HOME: Accesses the main home menu of the AV receiver.
- OPTIONS: Displays contextual options for the current function.
- Volume Control (+ / −): Adjusts the master volume level.
- Mute (🔇): Mutes or unmutes the audio output.
- Tuning Buttons (TUNING− / TUNING+): Used for manual tuning of radio stations.
- Preset Buttons (PRESET− / PRESET+): Navigates through preset radio stations.
- Playback Controls (Rewind, Play/Pause, Fast Forward, Previous Track, Stop, Next Track): Controls media playback for connected devices.
- MEMORY: Stores or recalls settings, often used for radio presets.
Maintenance
1. Battery Replacement
Replace batteries when the remote control's response becomes sluggish or stops functioning. Always replace both batteries simultaneously with new 1.5V AAA ALKALINE batteries. Do not mix old and new batteries, or different types of batteries.
2. Cleaning
To clean the remote control, wipe it with a soft, dry cloth. Do not use liquid cleaners, sprays, or abrasive materials, as these can damage the remote's surface or internal components.
3. Storage
If the remote control will not be used for an extended period, remove the batteries to prevent leakage, which can cause damage. Store the remote in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
- Remote not responding:
- Ensure the batteries are correctly installed with the correct polarity.
- Replace old batteries with new 1.5V AAA ALKALINE batteries.
- Check for any obstructions between the remote control and the AV receiver's infrared sensor.
- Ensure you are within the effective operating range (up to 10 meters) and pointing the remote directly at the AV receiver.
- Specific functions not working:
- Verify that your AV receiver model (STR-DH190, STR-DH590, or STR-DH790) is compatible with this remote. This remote is not compatible with sound bars or other Sony devices not listed.
- Ensure the AV receiver is powered on and the correct input source is selected.
Specifications
| Feature | Detail |
|---|---|
| Model Name | RMT-AA401U |
| Brand | ZdalaMit |
| Compatible Devices | Sony AV Receivers (STR-DH190, STR-DH590, STR-DH790) |
| Connectivity Technology | Infrared (IR) |
| Power Supply | 2 x 1.5V AAA ALKALINE Batteries |
| Maximum Range | 10 Meters |
| Color | Black |
| Item Weight | 40 Grams |
| Item Dimensions (L x W x H) | 6.3" x 1.7" x 0.55" |
Warranty and Support
Warranty Information
This product 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.
Customer Support
For any queries or assistance regarding your ZdalaMit RMT-AA401U remote control, please refer to the seller's contact information provided at the point of purchase. Ensure you have your purchase details and product model number available when contacting support.