The document is about the PowerBook G4 12-inch notebook computer from Apple Inc.
The guide walks you through the initial setup of the PowerBook G4, covering basic functions such as power control, brightness adjustment, volume, and use of the built‑in trackpad, keyboard, and mouse. It also explains how to connect peripherals like printers, audio devices, and external displays via USB, FireWire, or DVI.
Additional sections cover battery calibration, safety information, installing additional memory, and troubleshooting common issues. The manual includes appendices with technical specifications, regulatory information, and contact details for support. This manual is written in Chinese.
Press the power button to turn the PowerBook on or off, or to put it into sleep mode.
Use the brightness control keys to increase or decrease the display brightness.
Press and hold the CD eject key to release the disc.