Apple iPod touch iOS 4.3 - Manual (Page 16)

Status Icons
The icons in the status bar at the top of the screen give information about iPod touch:
Status icon What it means
Wi-Fi* Shows that iPod touch is connected to the Internet over a
Wi-Fi network. The more bars, the stronger the connection.
See “Joining a Wi-Fi Network” on page 19.
Network activity Shows network activity. Some third-party apps may also
use this icon to indicate an active process.
VPN Shows that you are connected to a network using VPN.
See “Network” on page 159.
Lock Shows that iPod touch is locked. See “On/Off Sleep/Wake
Button” on page 11.
Play Shows that a song, audiobook, or podcast is playing. See
“Playing Songs and Other Audio” on page 53.
Portrait orientation lock Shows that the iPod touch screen is locked in portrait
orientation. See “Viewing in Portrait or Landscape
Orientation” on page 26.
Alarm Shows that an alarm is set. See “Alarms” on page 131.
Location services Shows that an app is using location services. See “Location
Services” on page 159.
Bluetooth* Blue or white icon: Bluetooth® is on and a device, such as
a headset, is connected. Gray icon: Bluetooth is on, but no
device is connected. No icon: Bluetooth is turned off. See
“Bluetooth Devices” on page 38.
Battery Shows battery level or charging status. See “Charging the
Battery” on page 40.
* The use of certain accessories with iPod touch may affect wireless performance.
16 Chapter 1 iPod touch at a Glance