Apple 8 manual Hard Disk Checking and File Structure Repair

Page 85

Does the problem persist?

Hard Disk Checking and File Structure Repair

Logical file structure errors can be diagnosed and repaired with suitable software. Hard disk hardware defects can also be diagnosed. The boot drive (Start Volume) cannot generally be repaired if a critical error occurs. If you usually start your computer from the internal hard drive, you will need to choose another Start Volume, which will boot the computer from another drive. This is best accomplished with the emergency CD- ROM that came with your Macintosh, but you may also need a second hard (or removable) disk drive with a system folder on it.

Choose the CD-ROM, or other drive containing the operating system, in the Start Volume control panel. Restart the computer. Many Macintosh computers also allow you to force a start from the CD-ROM by holding down the C key during a new start.

Launch the Hard Disk Utility program, and use it to repair your volumes.

Does the problem still persist?

PCI Errors

PCI technology relies on highly-accurate timing synchronization in your computer’s data stream. Unfortunately, there are certain PCI (or PCI-X) card combinations that will cause conflicts with each other, despite the fact that each works perfectly in isolation, and all meet the PCI specifications. Problems of this type can cause seemingly random system crashes.

ÂCheck if the problem persists after removing the PCI card. Try to work on the machine, using the built-in audio hardware, for several hours without the PCI card— if the problems disappear, you’ve found the culprit. If the problems persist, however, you can safely rule out PCI issues as the cause.

ÂTry to use the PCI card in another slot, if available. It is often possible to resolve conflicts by simply swapping slots.

Faulty Cables

Cable faults are a common problem, which can cause all manner of problems.

If the computer does not respond to certain commands, the reason may be an intermittent USB cable fault between the keyboard and the computer. Try connecting the mouse directly to a free USB port. If the computer behaves normally, you will need to purchase a new USB cable. In some situations, you may need to replace your Macintosh keyboard.

Use of the correct monitor cable is important—simply having an appropriate connector at either end is not always sufficient. Before assuming that this is an unrelated hardware fault, please test the cable by swapping it with a new one.

Appendix C Optimizing Your Computer Audio System

85

Image 85
Contents Getting Started  Apple Inc Apple Inc. All rights reserved Contents Using Key Commands Using the Channel Strip ControlsUsing Screensets Using Control SurfacesWelcome to Logic Conventions of This Manual Key CommandsMenu Functions Important EntriesTo launch Logic, open and save a new project 1Starting Your Project Importing Media FilesStarting Your Project and Importing Media Files Getting to Know the Arrange Window Quick Note About TemplatesTo create a few new tracks Creating TracksYou should be looking at something like this Insert slot Channel strip settings Instrument slot Adding Media Files Column View button To add other audio file types with the Browser To switch between List and Browser view Automatic Track Creation From Media Area Windows Apple Loop TypesTo create a track and import a loop in one step Navigating Your Project Using the Transport BarTo start and stop playback To move the playhead to any position Using the Bar RulerTo start or stop playback at any project position To move the cycle To activate or deactivate the cycle, do one of the followingUndoing Operations To undo the last operation, command, or functionTo change the cycle length Selecting Tracks and Regions To reverse a number of operations, commands, or functionsSelecting Tracks To undo or redo an isolated stepTo select a region Selecting RegionsTo select several regions, do one of the following Page 2Recording To set the project sample rate Importance of the Sample RateTo set the basic project tempo, do one of the following To set the count-in time To alter the metronome settingsTo make a standard audio recording Recording Audio RegionsTo open a take folder, do one of the following Recording TakesRecording an Instrument Part To select different takes when viewing an open take folderTo record an instrument region To correct the timing of your recording Page 3Creating Your Arrangement Choosing Tools About the Tools Effective Range of the ToolsPointer Muting Regions Muting and Soloing Tracks and RegionsTo mute several regions with the Mute tool Soloing RegionsTo solo a region with the Solo tool To solo several regions with the Solo toolMuting Tracks Editing RegionsSoloing Tracks To mute multiple tracksChanging the Length of Regions Moving RegionsTo move a region To move several selected regionsCutting Regions Dividing RegionsTo divide a region To cut a regionTo copy a region, do one of the following Copying RegionsTo paste a cut or copied region from the Clipboard To delete a region, do one of the following Deleting RegionsTo loop a region, do one of the following Looping RegionsTo remove one or more loops To remove all loopsRegion Parameters Using the InspectorTo view or hide the Region Parameter box Track Parameters Using the Track/Channel ParametersTo change a parameter value To undo any parameter changesArrange Channel Strips To open or close the Piano Roll, Score or Hyper Editor Getting to Know the Midi EditorsEditing Midi Events To edit a note event position, do one of the following To open or close the Event ListTo create new note events in the Piano Roll Editor Editing and Creating EventsTo change the velocity of a note in the Piano Roll Editor To quantize one or more selected notes Page Using Instruments and Effects Using Instruments and Effects To directly insert an effect into a channel strip To directly insert an EQ into a channel strip Using the LibraryTo replace an inserted plug-in effect or instrument To remove an inserted plug-in effect or instrumentTo quickly change loaded effect or instrument settings Using the Library to load complete channel strip settingsTo open or close the Library To edit plug-in parameters Editing Instruments and EffectsTo open the ES E plug-in window if it isn’t open Editing Audio Files 6Working With Audio FilesTo open the Sample Editor, do one of the following To export an audio file as an MP3 file Managing Your Audio FilesPage To open or close the Mixer window 7Mixing and Exporting Your ProjectTo change the Mixer view Using the Channel Strip ControlsTo select a different track/channel To adjust the panning or balance of a channel strip To adjust the level of a channel stripChanging the Routing of Channel Strips To send a channel to a bus Automating Your Mix To choose an automation parameter To edit the volume automation track To write volume automation to an automation trackTo bounce your mix Exporting Your Project8Speeding Up Your Workflow Using Key CommandsTo set up a screenset Using ScreensetsTo set up more than nine screensets To recall a screenset, do one of the followingUsing Control Surfaces Page Midi Language AAudio and Midi BasicsMidi Connection AudioDigital and Analog Recording About Bits and Sampling Rates Digital ConversionsCore Audio This chapter covers the audio and Midi facilities of Mac OSSound Preference Pane Core Midi Audio Midi Setup AMSMidi Page of AMS Memory HardwareHard Drive Software BackupTroubleshooting Preferences and Parameter RAM If Disaster StrikesHard Disk Checking and File Structure Repair Viruses Appendix C Optimizing Your Computer Audio System Page Glossary Glossary Beats per minute See bpm Broadcast Wave See Wave Glossary Glossary Glossary Glossary Glossary Glossary Glossary 100 101 102 103 ES M 105 106 Index 108 109 110 111

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.