Nokia E51 User Manual page 18

You have one or more unread messages in the
Inbox folder in Messaging.
You have received new e-mail in the remote
mailbox.
There are messages waiting to be sent in the
Outbox folder in Messaging.
You have one or more missed phone calls.
The keys of the device are locked.
An alarm is active.
You have selected the Silent profile, and the device
does not ring for an incoming call or message.
Bluetooth is active.
Data is being transmitted using Bluetooth
connectivity. When the indicator is blinking, your
device is trying to connect with another device.
An infrared connection is active. If the indicator
blinks, your device is trying to connect to the other
device, or the connection has been lost.
A GPRS packet data connection is available (network
service).
A GPRS packet data connection is active.
A GPRS packet data connection is on hold.
An EGPRS packet data connection is available
(network service).
An EGPRS connection is active.
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An EGPRS packet data connection is on hold.
A UMTS packet data connection is available (network
service).
A UMTS packet data connection is active.
A UMTS packet data connection on hold.
High-speed downlink packet access (HSDPA) is
supported and available (network service). The icon
may vary between regions.
High-speed downlink packet access (HSDPA) is
active. The icon may vary between regions.
High-speed downlink packet access (HSDPA) is on
hold. The icon may vary between regions.
You have set the device to scan for WLANs, and a
WLAN is available.
A WLAN connection is active in a network that does
not have encryption.
A WLAN connection is active in a network that has
encryption.
Your device is connected to a computer with a
USB data cable.
The second phone line is being used (network
service).
All calls are forwarded to another number. If
you have two phone lines, a number indicates the
active line.
A headset is connected to the device.
The connection to a headset with Bluetooth
connectivity has been lost.