To reverse a number of operations, commands, or functions:

1Choose Edit > Undo History (or press Option-Z) to open the Undo History window.

The Undo History window shows a list of all operations. All operations are listed from the bottom up—with the most recent operation shown at the foot of the list.

2Click on any step to reverse all operations, starting with the most recent (bottom of the list), and working backwards (up the list).

To undo or redo an isolated step:

mCommand-click on the desired step.

Selecting Tracks and Regions

Track or region selection is essential for all recording, editing, and arranging tasks. You can’t move a region unless you’ve selected it. Similarly, you can’t adjust track channel strip functions (such as volume or pan changes) unless the track name is selected in the track list.

Selecting Tracks

You’ve probably noticed that one of the track names is always highlighted in the track list. This indicates that it is the selected track. As you’ve discovered, you can freely drag regions onto tracks, regardless of whether or not they are selected. You can not, however, record to a track unless it is first selected, and armed for recording. More on this shortly.

To select tracks for editing:

1Click the Inst 1 track (the fifth track in the list, which will now have a different name), and see how the Arrange channel strip updates, to reflect the current track selection.

Note: The region on the track is also highlighted, indicating that it is selected. By default, when you select a track, all regions aligned on the track lane are automatically selected.

2Click the Piano Roll button at the bottom of the Arrange area to view, and edit, the contents of the selected region.

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Chapter 1 Starting Your Project and Importing Media Files

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Apple 8 manual Selecting Tracks and Regions, To reverse a number of operations, commands, or functions

8 specifications

The Apple iPhone 8, introduced in September 2017, marked a significant evolution in the company's smartphone lineup, bridging the design elements of the past with cutting-edge technology. The iPhone 8 brought several notable features and advancements that enhanced user experience and performance.

One of the most striking design elements of the iPhone 8 is its glass back, a departure from the aluminum unibody design of its predecessors. This transition not only provided a fresh aesthetic appeal but also enabled wireless charging, allowing users to power their devices conveniently without the need for cables. The iPhone 8 supports Qi wireless charging standards, making it compatible with a wide array of wireless charging pads.

Under the hood, the iPhone 8 is powered by Apple’s A11 Bionic chip, which features a six-core CPU. This powerful processor significantly improved the iPhone's speed and efficiency when compared to previous models. The A11 Bionic was designed for machine learning applications and includes a dedicated neural engine, allowing for better performance in tasks such as image recognition and augmented reality experiences.

The display of the iPhone 8 is a 4.7-inch Retina HD display, boasting True Tone technology, which adjusts the screen's white balance based on the ambient light. This feature not only enhances color accuracy but also improves comfort for users by reducing eye strain in various lighting conditions. With a resolution of 1334 x 750 pixels, the display delivers sharp and vibrant visuals.

Camera capabilities on the iPhone 8 also received significant upgrades. The rear 12-megapixel camera features optical image stabilization, providing clearer photos and smoother video recording, even in low light conditions. The introduction of new color filters and a larger sensor allowed for improved photo quality. The front-facing 7-megapixel camera supports 1080p HD video recording and features advanced portrait mode, offering users new ways to create professional-quality selfies.

Another important aspect of the iPhone 8 is its robust security features. The device continued to use Touch ID for biometric authentication, ensuring that users' data remained secure. Additionally, the iPhone 8 was water and dust resistant, rated IP67, which added an extra layer of durability.

In summary, the Apple iPhone 8 successfully combined innovative technology with timeless design. Its wireless charging, powerful A11 Bionic chip, enhanced camera features, and sturdy build quality made it a compelling choice for consumers looking to experience the best of Apple’s engineering prowess.