This is a Lenovo product manual, which introduces the use of the product, precautions, etc.
The Lenovo R840 tablet computer manual provides detailed instructions for first‑time setup, safety guidelines, and routine maintenance. It includes a quick‑start guide, Windows installation steps, and how to adjust volume, brightness, and screen orientation.
Additional sections describe the hardware components, connector interfaces, power‑management features, battery handling, and software utilities. The document also contains legal notices and trademark statements. This manual is written in Chinese.
| Modem | Built‑in 56 k modem |
|---|---|
| Ethernet | 10/100/1000 Mbps Ethernet port |
| Bluetooth | Built‑in Bluetooth module |
| Wireless Network Card | Optional built‑in wireless LAN card |
Open Start → Control Panel → Hardware and Sound → Tablet PC Settings, choose Calibrate and follow the on‑screen prompts.
When the computer is off, a fully depleted battery charges in about 3 hours; when the computer is on, it takes about 4–5 hours.
Press the rotation button on the tablet: Fn + 7.