User's Guide
Table Of Contents
- User Guide
- Contents
- Chapter 1: iPhone at a Glance
- Chapter 2: Getting Started
- Chapter 3: Basics
- Chapter 4: Syncing and File Sharing
- Chapter 5: Phone
- Chapter 6: Mail
- Chapter 7: Safari
- Chapter 8: iPod
- Chapter 9: Messages
- Chapter 10: Calendar
- Chapter 11: Photos
- Chapter 12: Camera
- Chapter 13: YouTube
- Chapter 14: Stocks
- Chapter 15: Maps
- Chapter 16: Weather
- Chapter 17: Notes
- Chapter 18: Clock
- Chapter 19: Calculator
- Chapter 20: Compass
- Chapter 21: Voice Memos
- Chapter 22: iTunes Store
- About the iTunes Store
- Finding Music, Videos, and More
- Following Artists and Friends
- Purchasing Ringtones
- Purchasing Music or Audiobooks
- Purchasing or Renting Videos
- Streaming or Downloading Podcasts
- Checking Download Status
- Syncing Purchased Content
- Changing the Browse Buttons
- Viewing Account Information
- Verifying Downloads
- Chapter 23: App Store
- Chapter 24: Game Center
- Chapter 25: Settings
- Chapter 26: Contacts
- Chapter 27: Nike + iPod
- Chapter 28: iBooks
- Chapter 29: Accessibility
- Appendix A: Support and Other Information
- Apple iPhone Support Site
- Restarting and Resetting iPhone
- Backing Up iPhone
- Updating and Restoring iPhone Software
- Safety, Software, and Service Information
- Using iPhone in an Enterprise Environment
- Using iPhone with Other Carriers
- Disposal and Recycling Information
- Apple and the Environment
- iPhone Operating Temperature
- Index
Compass
20
APPLE CONFIDENTIAL — First Draft (1.10.11)
Getting Compass Readings
The built-in compass (iPhone 3GS or later) shows which direction you’re facing, along
with the geographical coordinates of your current location. You can choose magnetic
north, or have Compass adjust the declination to show true north.
Important: 6JGCEEWTCE[QHVJGFKIKVCNEQORCUUOC[DGPGICVKXGN[CÒGEVGFD[
magnetic or other environmental interference, including interference caused by the
close proximity of the magnets contained in the iPhone earbuds. The digital compass
should only be used for basic navigation assistance and should not be solely relied on
to determine precise locations, proximity, distance, or direction.
6JGEQORCUUPGGFUVQDGECNKDTCVGFVJG°TUVVKOG[QWWUGKVCPFOC[PGGFVQDG
calibrated occasionally after that. iPhone alerts you whenever calibration is needed.
Note: +HNQECVKQPUGTXKEGUKUVWTPGFQÒYJGP[QWQRGP%QORCUU[QWOC[DGCUMGFVQ
turn it on. You can use Compass without turning on location services. See “Location
Services” on page 200.
161










