Introduction
Thank you for choosing the LMP USB Numeric Keyboard KB-1243. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your new keyboard. Designed for macOS, this 110-key aluminum keyboard features a dedicated numeric keypad and two integrated USB ports for enhanced connectivity.

Image: The LMP USB Numeric Keyboard KB-1243, showcasing its full 110-key layout, sleek aluminum casing, and silver finish. This model is specifically designed for macOS environments and features an Icelandic key layout.
Setup Guide
1. Unpacking
Carefully remove the keyboard from its packaging. Inspect the keyboard for any visible damage. Retain the packaging for future storage or transport.
2. Connecting the Keyboard
- Locate an available USB-A port on your macOS computer or USB hub.
- Insert the USB connector of the LMP KB-1243 keyboard firmly into the USB port.
- The keyboard is plug-and-play and does not require additional drivers for basic functionality on macOS.
3. Initial Configuration (macOS)
Upon first connection, macOS may prompt you to identify the keyboard type. Follow the on-screen instructions to ensure proper key mapping, especially for the Icelandic layout. This typically involves pressing specific keys when prompted.
Operating Instructions
Key Functions
The LMP KB-1243 features a standard 110-key layout, including a full numeric keypad, function keys (F1-F19), and navigation keys. All keys are designed to function as standard input devices on macOS.
- Numeric Keypad: Located on the right side, provides quick entry for numbers and mathematical operations.
- Function Keys: F1-F19 keys provide system-level controls (e.g., brightness, volume, media playback) when used in conjunction with the 'Fn' key, or as standard function keys depending on your macOS settings.
- Integrated USB Ports: Two USB ports are integrated into the keyboard, allowing you to connect additional low-power USB devices such as a mouse, USB flash drive, or other peripherals.
Special Characters and Layout
This keyboard features an Icelandic layout. Familiarize yourself with the placement of special characters and accented letters specific to the Icelandic alphabet. Refer to your macOS keyboard settings for detailed layout diagrams if needed.
Maintenance and Care
Cleaning
To maintain the keyboard's appearance and functionality:
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild, non-abrasive cleaning solution.
- Avoid spraying liquids directly onto the keyboard.
- For dust and debris between keys, use compressed air.
Storage
When not in use for extended periods, store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures. Protect it from dust and spills.
Troubleshooting
Common Issues and Solutions
- Keyboard not responding:
- Ensure the USB cable is securely connected to both the keyboard and the computer.
- Try connecting the keyboard to a different USB port on your computer.
- Restart your computer.
- Keys not typing correctly:
- Verify that the correct keyboard layout (Icelandic) is selected in your macOS System Settings (Keyboard > Input Sources).
- Clean any debris from around the affected keys using compressed air.
- Integrated USB ports not working:
- Ensure the connected device is low-power. High-power devices may require a direct connection to the computer or a powered USB hub.
- Try connecting a different device to the keyboard's USB ports to confirm functionality.
If you continue to experience issues, please refer to the support section for further assistance.
Technical Specifications
| Feature | Detail |
|---|---|
| Model Number | 17590 |
| Connectivity Technology | USB |
| Number of Keys | 110 |
| Keyboard Layout | Icelandic |
| Material | Aluminum |
| Color | Silver |
| Compatible Operating System | macOS |
| Product Dimensions | 0.79 x 6.69 x 5.12 inches |
| Item Weight | 8.8 ounces |
| Integrated Ports | 2x USB |
Warranty and Support
Warranty Information
This LMP product is covered by a manufacturer's warranty. Please refer to the warranty card included with your purchase or visit the official LMP website for detailed warranty terms and conditions. Keep your proof of purchase for warranty claims.
Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact LMP customer support. Contact information can typically be found on the LMP official website or on the product packaging.





