Apple iPhone 4G - Manual (Page 18)

Status icon What it means
TTY Shows that iPhone is set to work with a TTY machine.
See “Using iPhone with a Teletype (TTY) Machine” on
page 206.
Play Shows that a song, audiobook, or podcast is playing. See
“Playing Songs and Other Audio” on page 92.
Portrait orientation lock Shows that the iPhone screen is locked in portrait
orientation. See “Viewing in Portrait or Landscape
Orientation” on page 32.
Alarm Shows that an alarm is set. See “Alarms” on page 152.
Location services Shows that an app is using location services. See “Location
Services” on page 194.
Bluetooth* Blue or white icon: Bluetooth is on and a device, such as a
headset or car kit, is connected. Gray icon: Bluetooth is on,
but no device is connected. No icon: Bluetooth is turned
off. See “Bluetooth Devices” on page 47.
Battery Shows battery level or charging status. See “Battery” on
page 48.
* The use of certain accessories with iPhone may affect wireless performance.
18 Chapter 1 iPhone at a Glance