1. Introduction
This manual provides essential instructions for the NKF Replacement Remote Control. This remote is designed to be a direct replacement for various Onn 4K UHD TV models, offering immediate functionality without the need for complex setup procedures.
Compatible Onn TV Models:
- ONA65UB19E07
- ONA50UB19E09
- ONA50UB19E05
- ONC50UB18C05
- ONA43UB19E04
- ONA55UB19E06
- ONA24HB19E02
2. Setup
The NKF Replacement Remote Control requires no programming or pairing. Simply install the batteries, and it is ready for use.
2.1 Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards and remove it.
- Insert two (2) new 1.5V AAA alkaline batteries, ensuring the positive (+) and negative (-) terminals match the diagrams inside the compartment.
- Replace the battery compartment cover by sliding it back into place until it clicks securely.

This image shows the back of the remote control with the battery cover removed, illustrating the correct orientation for inserting two AAA batteries.
Once batteries are installed, the remote control is ready to operate your compatible Onn 4K UHD TV.
3. Operating Instructions
Point the remote control directly at your Onn 4K UHD TV's infrared sensor. The remote features a standard layout for easy navigation and control.

This image displays the front of the remote control, highlighting the layout of all functional buttons including power, input, channel, volume, navigation, and media controls.
3.1 Button Functions Overview
- Power (⏻): Turns the TV on or off.
- INPUT: Cycles through available input sources (HDMI, AV, etc.).
- TV: Switches to TV mode.
- HDMI / AV / MEDIA: Direct access to specific input sources.
- Number Buttons (0-9): Direct channel selection.
- LAST CH: Returns to the previously viewed channel.
- VOL (+/-): Adjusts the volume level.
- CH (+/-): Changes the channel up or down.
- FAV: Accesses favorite channels list.
- CH LIST: Displays the channel list.
- MUTE: Mutes or unmutes the TV audio.
- SOUND: Accesses sound settings.
- PICTURE: Accesses picture settings.
- INFO: Displays current program information.
- FREEZE: Freezes the current image on screen.
- MENU: Opens the TV's main menu.
- Navigation Buttons (▲ ▼ ◄ ►): Navigates through menus and options.
- OK: Confirms selections in menus.
- BACK: Returns to the previous menu or screen.
- EXIT: Exits the current menu or function.
- GUIDE: Opens the electronic program guide.
- SLEEP: Sets the sleep timer.
- Media Playback Controls (⏮ ▶ ⏸ ⏭): Control playback of media (e.g., USB content).
- ASPECT: Changes the screen aspect ratio.
- SAP/MTS: Selects Secondary Audio Program/Multi-channel Television Sound.
- TTS: Activates or deactivates Text-to-Speech function.
- CCD: Activates or deactivates Closed Captioning.
4. Maintenance
Proper care ensures the longevity and optimal performance of your remote control.
4.1 Battery Replacement
Replace the batteries when the remote control's response becomes sluggish, the operating range decreases, or it stops functioning. Always use two new 1.5V AAA alkaline batteries.
4.2 Cleaning
To clean the remote control, gently wipe its surface with a soft, dry cloth. Avoid using liquid cleaners, solvents, or abrasive materials, as these can damage the remote's finish or internal components.
5. Troubleshooting
If you encounter issues with your remote control, refer to the following common problems and solutions:
- Remote is not responding:
- Ensure the batteries are inserted correctly with the correct polarity.
- Replace old batteries with new 1.5V AAA alkaline batteries.
- Make sure there are no obstructions between the remote control and the TV's infrared sensor.
- Confirm you are pointing the remote directly at the TV.
- Limited operating range:
- This typically indicates low battery power. Replace the batteries.
6. Specifications
| Brand | NKF |
| Model Number | ONA65UB19E07 (and compatible models listed) |
| Color | Black |
| Connectivity Technology | Infrared (IR) |
| Compatible Devices | Onn 4K UHD Televisions |
| Number of Supported Devices | 1 |
| Battery Type | 2 x AAA (Alkaline recommended) |
| Maximum Range | 10 Meters (approx. 33 feet) |
| Button Quantity | 48 |
| Item Weight | 2.9 Ounces |
| Item Dimensions (L x W x H) | 6.7" x 2" x 0.8" |
7. Support
For any questions or concerns regarding your NKF Replacement Remote Control, please do not hesitate to contact us. We are committed to resolving any issues you may encounter.
Please contact us before leaving feedback or initiating a return, and we will assist you promptly.