Volume buttons

When you listen to songs, movies, or other media, the buttons on the side of iPod touch adjust the audio volume. Otherwise, the buttons control the volume for alerts and other sound effects.

WARNING: For important information about avoiding hearing loss, see Appendix B, Safety, Handling, & Support, on page 129.

Volume up

Volume down

Lock the ringer and alerts volume: Go to Settings > Sounds and turn off“Change with Buttons.”

Limit the volume of music and videos: Go to Settings > Music > Volume Limit.

Note: In some countries, iPod touch may indicate when you’re setting the volume above the European Union hearing safety guidelines. To increase the volume beyond this level, you may need to briefly release the volume control.

You can use the Do Not Disturb setting to silence FaceTime calls, alerts, and notifications.

Set iPod touch to Do Not Disturb: Go to Settings and turn on Do Not Disturb. Do Not Disturb keeps FaceTime calls, alerts, and notifications from making any sounds or lighting up the screen when the screen is locked. Alarms still sound, however, and if the screen is unlocked, Do Not Disturb has no effect.

To schedule quiet hours, allow specific people to call you with FaceTime, or allow repeated FaceTime calls to ring through, go to Settings > Notifications > Do Not Disturb. See Do Not Disturb and Notifications on page 120.

You can also use either volume button to take a picture or record a video. See Chapter 9, Camera, on page 54.

Chapter 1    iPod touch at a Glance

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Apple ME643LL/A, MC903LL/A, MD724LL/A manual Volume buttons

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.