User's Manual

Table7.Statusindicators
IndicatorMeaning
1
Speakermute
Orange:
Thespeakerisonmute.Tosetthe
speakersonmuteorunmute,pressthe
speakermutebutton.
2
Microphonemute
Orange:
Themicrophoneisonmute.Noneofthe
recordingdevicesisavailablewhilethe
microphonemuteisonbydefault.
3
WirelessLAN,
WirelessWAN,or
WiMAXstatus
Green:ThewirelessLANfeature(theIEEE
802.11b/gstandard,802.11a/b/g,
or802.11n),wirelessWANfeature,or
WiMaxfeatureison,andtheradiolink
isreadyforuse.
Blinkinggreen:Dataisbeingtransmitted.
4
Bluetoothwireless
status
R
Green:
TheBluetoothwirelessfeatureison,and
theradiolinkisreadyforuse.
Blinkinggreen:Dataisbeingtransmitted.
5
Deviceaccess
Green:
Dataisbeingreadfromorwrittentothe
harddiskdrive,thediskettedrive,orthe
driveintheSerialUltrabayEnhanced
device.Whenthisindicatorison,donot
putthecomputerintosleep(standby)
modeorturnoffthecomputer.
Note:Donotmovethesystemwhilethegreendeviceaccesslightison.Sudden
physicalshockcouldcausedriveerrors.
6
Poweron
Green:
Thecomputerisonandreadytouse.
Thisindicatorstayslitaroundthe
power-onbuttonwheneverthecomputer
isonandisnotinsleep(standby)mode.
7
SerialUltrabay
Enhanceddevice
status
Green:ASerialUltrabayEnhanceddeviceis
installedandinuse.
Blinkinggreen:
ASerialUltrabayEnhanceddeviceisin
theprocessofbeingdetached.
Turnoff:
ASerialUltrabayEnhanceddeviceis
readytobeattachedordetached.
8
Fingerprintreader
status
Green:
Thengerprintreaderisreadytoswipe.
Blinkinggreen:
Thengerprintisbeingauthenticatedor
hasbeenauthenticated.
Blinkingorange:
Thengerprintcouldnotbe
authenticated.
48ThinkPadT520,T520i,andW520HardwareMaintenanceManual