1. សេចក្តីផ្តើម
This manual provides comprehensive instructions for the CHERRY Stream Keyboard, Model JK-8500EU-2. Designed for reliability and comfort, this wired USB keyboard features a high-quality CHERRY SX scissor mechanism for a precise and quiet typing experience. It is suitable for various environments, including home offices and professional workspaces.

រូបភាពទី 1.1៖ ពីលើចុះក្រោម view of the CHERRY Stream Keyboard, showcasing its full QWERTY layout and integrated multimedia keys.
2. មាតិកាកញ្ចប់
ត្រូវប្រាកដថាធាតុទាំងអស់មាននៅក្នុងកញ្ចប់៖
- CHERRY Stream Keyboard (Model JK-8500EU-2)
- ខ្សែ USB រួមបញ្ចូលគ្នា
3. រៀបចំ
3.1 តម្រូវការប្រព័ន្ធ
- Operating System: Windows 11, Windows 10, Windows 8, or Windows 7
- Available USB-A Port
3.2 ការភ្ជាប់ក្តារចុច
- កំណត់ទីតាំងរន្ធ USB-A ដែលមាននៅលើកុំព្យូទ័ររបស់អ្នក។
- Plug the USB connector of the CHERRY Stream Keyboard into the USB-A port.
- The operating system will automatically detect and install the necessary drivers. No additional software installation is required.
4. ដំណើរការក្តារចុច
៥.១ ការវាយអក្សរជាមូលដ្ឋាន
The CHERRY Stream Keyboard features a standard QWERTY layout. The CHERRY SX scissor mechanism provides a tactile and quiet typing experience, designed for comfort and precision.

Image 4.1: A user typing on the CHERRY Stream Keyboard, illustrating the comfortable and flat key design.
4.2 គ្រាប់ចុចមុខងារពិសេស
The keyboard includes dedicated keys for enhanced productivity and multimedia control:
- គ្រាប់ចុចពហុព័ត៌មាន៖ Located above the function keys (F7-F12), these control volume (decrease, increase, mute), track navigation (previous, next), and media playback (play/pause).
- Office Keys: Dedicated keys for quick access to browser, email, calculator, and PC lock functions.

Image 4.2: Close-up of the keyboard showing the dedicated multimedia and office function keys.
4.3 ស្ថានភាព LEDs
Three integrated red status LEDs indicate the activation status of:
- សោរអក្សរធំ
- NUM LOCK
- រមូរចាក់សោ

Image 4.3: Detail of the CAPS LOCK key, highlighting the integrated red status LED and durable key labeling.
4.4 ការលៃតម្រូវកម្ពស់
The keyboard features two detachable rubber feet on the underside, allowing for height adjustment to suit your ergonomic preferences. Eight additional rubber pads ensure stability and prevent slipping during use.

រូបភាព 4.4៖ គាំទ្រផ្នែកចំហៀងfile of the keyboard, illustrating the integrated metal plate for stability, detachable rubber feet for height adjustment, and eight rubber pads on the bottom.
5. ការថែទាំ
To ensure the longevity and optimal performance of your CHERRY Stream Keyboard, follow these maintenance guidelines:
- ការសម្អាត៖ ប្រើទន់ ឃamp cloth to wipe the surface of the keyboard. Avoid abrasive cleaners or solvents. For cleaning between keys, compressed air can be used.
- ធន់៖ The key labeling is abrasion-resistant, designed to remain legible even after extended use.
- ការផ្ទុក៖ Store the keyboard in a dry, dust-free environment when not in use.
6. ការដោះស្រាយបញ្ហា
If you encounter issues with your CHERRY Stream Keyboard, consider the following:
- ក្តារចុចមិនឆ្លើយតប៖ Ensure the USB cable is securely connected to both the keyboard and the computer's USB-A port. Try plugging the keyboard into a different USB port or a different computer to rule out port or system issues.
- សោជាក់លាក់មិនដំណើរការ៖ Check for any physical obstructions under the key. If the issue persists, and other keys function, contact support.
- អាកប្បកិរិយាដែលមិននឹកស្មានដល់៖ Restart your computer. This can often resolve temporary software-related issues.
7. លក្ខណៈបច្ចេកទេស
| លក្ខណៈ | លម្អិត |
|---|---|
| លេខម៉ូដែល | JK-8500EU-2 |
| បច្ចេកវិទ្យាតភ្ជាប់ | USB-A |
| Keyboard Mechanism | SX Scissors Mechanism |
| ការពិពណ៌នាក្តារចុច | តណ្ហា |
| ពណ៌ | ខ្មៅ |
| វិមាត្រផលិតផល | 18.23 x 6.42 x 0.71 អ៊ីង (46.3 x 16.3 x 1.8 សង់ទីម៉ែត្រ) |
| ទំងន់ធាតុ | 2 ផោន (0.91 គីឡូក្រាម) |
| ឧបករណ៍ដែលត្រូវគ្នា។ | កុំព្យូទ័រយួរដៃ, កុំព្យូទ័រ |
| លក្ខណៈពិសេស | Ergonomic, Silent Stroke |
8. ការធានា និងការគាំទ្រ
8.1 ព័ត៌មានធានា
CHERRY products are manufactured to high-quality standards. For detailed warranty information, please refer to the warranty card included with your product or visit the official CHERRY webគេហទំព័រ។
8.2 ជំនួយអតិថិជន
For technical assistance, troubleshooting, or product inquiries, please contact CHERRY customer support through their official webគេហទំព័រ ឬព័ត៌មានទំនាក់ទំនងដែលមាននៅក្នុងឯកសារផលិតផលរបស់អ្នក។