Acer TravelMate 8481, Service Manual, Page: 48 / 229

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System LED Indicator
Item Specification
Lock N/A
System state

Dual color: Blue/Orange

Power on: Blue

Standby: Breeze mode Orange (1 sec on/ 3 sec off)

Entering Hibernation: Blinking mode Orange (1 sec on/ 1 sec
off)

Hibernation/Power off: N/A
Wireless state Orange
HDD access state

Blue color

Fast blinking when HDD/SSD/Card reader is running or
accessing to data
Power button backlight

Blue color

Power on: Blue

Power off: N/A
Battery state

Dual color: Blue/Orange

Fully charged: Blue

Under charging: Orange

Battery low: Breeze mode Orange (1 sec on, 3 sec off)

Battery critical low (less than 3%) or abnormal battery
situation:

Blinking mode Orange: (1 sec on, 1 sec off)

Using battery or not connected to AC power: N/A
Communication device state

Orange

WiFi only: Orange

Both off: N/A
(WiMax is the same as WiFi behavior)
Mute Mic button

Mute: Blue color

Unmute: no color
Backup key button

Blue color

Default LED is off

Press button, LED will flash 6 times in 3 sec
PowerSmart key button

Blue color

Enable "power saving mode" once the button is pressed.

Work under both DC mode and AC mode with different SW
behavior.

Shows blue color when system is in "power saving mode"
Caps/Num lock status

Blue color

When capital lock is enabled in S0, S1: Blue

Others: N/A