Fujitsu 1600 manual Led

Table 1-1 Status LEDs

LED	Appearance of LED	System Status
Power LED	Indicates system power state.
	LED on continuously.	System is Fully On.
	LED flashing (once every 4 seconds).	Suspend mode.
	LED off	System is off.
HDD Access	Indicates when the system is accessing the built-in hard disk drive (HDD).
LED
	LED on.	HDD is being accessed.
	LED off.	HDD is not being accessed.
Charge LED	Indicates battery pack is charging. (Note that this LED flashes once when
	external power is initially connected.)
	LED on continuously.	Fast Charge mode, 0 to 89% of
		capacity.
	LED flashing. (Flashes faster at 90%	Slow Charge mode, 90-99% of
	capacity, slower at 99%.)	capacity.
	LED off.	Not Charging, external power is not
		connected.
Low-Battery	Indicates low charge condition of the battery pack. See “Low Battery Pack
LED	Conditions” on page 2-3 for more information.
	LED off.	Good Battery, or external power
		connected.
	LED flashing slowly (1 second on, 1	Low Battery, approximately 15%
	second off).	charge remaining.
	LED flashing quickly (1/2 second on,	Very Low Battery, approximately 8%
	1/2 second off).	charge remaining.
	LED flashing very slowly	Critically Low Battery, system forced to
	(once every 4 seconds).	suspend and cannot be resumed
		unless external power is connected or
		charged battery pack is installed.

Status LEDs 1-5