Charge the battery using a power adapter: Connect iPod touch to a power outlet using the included cable and a USB power adapter (available separately).

Note: Connecting iPod touch to a power outlet can initiate iCloud backup or wireless iTunes syncing. See Backing up iPod touch on page 133 and Syncing with iTunes on page 15.

The battery icon in the upper-right corner shows the battery level or charging status.

ChargingCharged

Important: If iPod touch is very low on power, it may display one of the following images, indicating that iPod touch needs to charge for up to ten minutes before you can use it. If iPod touch is extremely low on power, the display may be blank for up to two minutes before one of the low-battery images appears.

or

Rechargeable batteries have a limited number of charge cycles and may eventually need to be replaced.

Replace the battery: The iPod touch battery isn’t user replaceable; it can be replaced only by an authorized service provider. See www.apple.com/batteries/replacements.html.

Chapter 3    Basics

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Apple ME643LL/A, MC903LL/A, MD724LL/A manual ChargingCharged

ME643LL/A, MC903LL/A, MD724LL/A specifications

The Apple MD724LL/A, MC903LL/A, and ME643LL/A are notable models in the line of MacBook laptops, epitomizing Apple's commitment to high-quality design and cutting-edge technology. These devices cater to various user needs, from casual browsing to intense professional tasks, offering a blend of performance, portability, and sleek aesthetics.

The MD724LL/A, also known as the MacBook Air (13-inch, Mid 2013), showcases Apple's emphasis on portability. It features a lightweight aluminum chassis, weighing just 2.96 pounds, which makes it incredibly easy to carry. With a 13.3-inch display that boasts a resolution of 1440 x 900 pixels, the viewing experience is clear and vibrant, suitable for both work and entertainment. The device is powered by Intel's fourth-generation Core i5 processor, providing robust performance while maintaining energy efficiency, significantly enhancing battery life, which can last up to 12 hours on a single charge.

The MC903LL/A, representing the MacBook Pro with Retina display (15-inch, Mid 2012), offers a more powerful performance for users who require advanced capabilities. It features a stunning Retina display with a resolution of 2880 x 1800 pixels, delivering breathtaking visuals and sharp text. This MacBook Pro is equipped with quad-core Intel Core i7 processors, providing the necessary horsepower for demanding applications like video editing and 3D rendering. Additionally, its dedicated NVIDIA GeForce graphics card ensures high-performance graphics rendering, making it ideal for creative professionals.

Lastly, the ME643LL/A, another variant of the MacBook Air (11-inch, Mid 2013), is designed for those who prioritize portability without sacrificing performance. Similar to the MD724LL/A, it also utilizes Intel's fourth-generation processors but in a more compact 11-inch chassis. This model weighs just 2.38 pounds and still offers impressive battery life, appealing to students and professionals on the go. With a resolution of 1366 x 768 pixels, this display strikes a good balance between size and usability.

All three models incorporate advanced features such as fast flash storage, which enhances application loading times and overall system responsiveness. Additionally, they come with a variety of connectivity options, including USB 3.0 ports and Thunderbolt, allowing for seamless integration with peripherals and external displays.

In summary, the Apple MD724LL/A, MC903LL/A, and ME643LL/A models represent a versatile range of MacBooks that cater to different user needs, embodying Apple's passion for innovation, design, and performance. Each model provides distinct features and technologies, ensuring that whether you are a casual user or a professional creative, there is an Apple laptop that fits your requirements.