Nettech CT-90325
Nettech Universal Remote Control Instruction Manual
Model: CT-90325 (LYSB01MZ1U8B4-ELECTRNCS)
1. Introduction
This manual provides detailed instructions for the Nettech CT-90325 Universal Remote Control. This remote is specifically designed for use with all Toshiba Brand TVs and Smart TVs, offering a seamless replacement or secondary control option. It is pre-programmed and typically requires no additional setup for compatible Toshiba devices.
2. Product Overview
The Nettech CT-90325 remote features a standard layout for easy navigation and control of your television. Key functions include power, input selection, channel navigation, volume control, and media playback buttons.

Figure 2.1: Front view of the Nettech CT-90325 Universal Remote Control. This image displays the full button layout, including the number pad, channel and volume controls, navigation buttons, and media playback keys.

Figure 2.2: Angled view of the Nettech CT-90325 Universal Remote Control. This perspective shows the remote's profile and button arrangement from a slight angle, emphasizing its design.
3. Setup
3.1 Battery Installation
The remote control requires two AAA batteries (not included). Follow these steps to install them:
- Locate the battery compartment on the back of the remote control.
- Gently slide the battery compartment cover downwards or outwards to open it. You may need to apply slight pressure to release the latch.
- Insert two AAA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the indicators inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.

Figure 3.1: Back view of the Nettech CT-90325 Universal Remote Control, illustrating the battery compartment. This shows where to insert the AAA batteries.
3.2 Initial Use (No Programming Required)
This Nettech universal remote control is pre-programmed for Toshiba Brand TVs and Smart TVs. In most cases, no programming is required. Simply insert the batteries, point the remote at your Toshiba TV, and it should function immediately.
If the remote does not respond, ensure the batteries are correctly installed and have sufficient charge. Verify that there are no obstructions between the remote and the TV's infrared receiver.
4. Operating Instructions
Familiarize yourself with the remote's buttons and their functions:
- POWER (Red Button): Turns the TV on or off.
- INPUT: Cycles through available input sources (HDMI, AV, etc.).
- SLEEP: Sets a sleep timer for the TV.
- FREEZE: Pauses the current picture on screen.
- PIC MODE / PIC SIZE: Adjusts picture modes or aspect ratios.
- Number Pad (0-9, 100+, FAV): Directly enters channel numbers or accesses favorite channels.
- VOL +/-: Increases or decreases the volume level.
- CH +/-: Changes the channel up or down.
- MUTE: Mutes or unmutes the TV audio.
- RECALL: Switches between the current and previously viewed channel.
- C.CAPTION: Toggles closed captions on or off.
- INFO: Displays information about the current program or input.
- Navigation Pad (Up, Down, Left, Right, ENTER): Navigates menus and confirms selections.
- MENU: Opens the TV's main menu.
- BACK: Returns to the previous menu or screen.
- EXIT: Exits the current menu or application.
- NEXT: Advances to the next item in a list or sequence.
- Media Control Buttons (EJECT, PAUSE/STEP, PLAY, STOP, SKIP, REW, FF): Controls playback of connected media devices (e.g., DVD player, USB drive) if supported by your TV.
5. Maintenance
5.1 Cleaning
To clean the remote control, use a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Do not use harsh chemicals or immerse the remote in water.
5.2 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 batteries. Dispose of used batteries according to local regulations.
6. Troubleshooting
- Remote not responding:
- Check if batteries are inserted correctly with proper polarity (+/-).
- Replace old batteries with new ones.
- Ensure there are no obstructions between the remote and the TV's infrared sensor.
- Confirm the remote is pointed directly at the TV.
- Some buttons not working:
- This remote is pre-programmed for Toshiba TVs. If certain advanced functions (e.g., specific Smart TV app buttons not present on this remote) are not working, they may not be supported by this universal model.
- Clean the remote's surface and buttons to ensure no debris is interfering with button presses.
- Remote works intermittently:
- Batteries may be low; replace them.
- Ensure no strong light sources (like direct sunlight) are interfering with the IR signal.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Nettech |
| Model Number | LYSB01MZ1U8B4-ELECTRNCS (CT-90325) |
| Compatible Devices | Television (specifically Toshiba Brand TV, Smart TV) |
| Max Number of Supported Devices | 2 |
| Special Feature | Pre Programmed, No Programming Required |
| Color | Black |
| Product Dimensions | 3 x 3 x 3 inches |
| Item Weight | 3 ounces |
| Country of Origin | China |
8. Warranty and Support
This Nettech CT-90325 Universal Remote Control comes with a 1-Year Warranty (TS-12+AL). For warranty claims or technical support, please refer to the contact information provided with your purchase or visit the official Nettech support website.
Please retain your proof of purchase for warranty validation.
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