Fujitsu S SERIES User Manual download pdf (Page 53)

LifeBook S Series – Section Four

Low Battery State

When the battery is running low, your notebook will

beep every 15 seconds and the Battery Level indicator

will ﬂash. If you do not respond to the low battery alarm,

the batteries will continue to discharge until they are

too low to operate. When this happens there will be a

multiple beep alarm and the Battery Level indicator will

show a dead battery. Your notebook will then go into

Suspend mode to try and protect your data for as long

as possible. There is no guarantee that your data will not

be lost once the notebook reaches this point.

Dead Battery Suspend mode shows on the Status indi-

cator just like the normal Suspend mode. Once your

notebook goes into Dead Battery Suspend mode you

will be unable to resume operation until you provide

a source of power either from an adapter, or a charged

battery. Once you have provided power, you will need to

press the Suspend/Resume button to resume operation.

In the Dead Battery Suspend mode, your data can be

maintained for some time, but if a power source is not

provided promptly, the Power indicator will stop

ﬂashing and go out, meaning that you have lost the data

that was not stored. Once you provide power, you can

continue to use your notebook while an adapter is

charging the battery.

Shorted Batteries

The Status Indicator panel uses a symbol inside the

battery outline of the Battery Level indicator to display

the operating level available in that battery. (See ﬁgure 2-

11 on page 17) If this display shows a Shorted Battery, it

means that the battery is damaged and must be replaced

so it does not damage any other parts of your notebook.

REPLACING THE BATTERY

With the purchase of an additional battery, you can have

a fully charged spare to swap with one that is not

charged. There are two ways to swap batteries, cold-

swapping and warm-swapping:

Cold-swapping Batteries

To cold-swap batteries in your battery bay follow these

easy steps: (Figure 4-1)

1. Have a charged battery ready to install.

2. Shut down your notebook and disconnect

the AC adapter.

3. Unlock the battery bay using the lock button.

4. Slide the battery bay release button to open the bay.

5. Remove the battery from the bay.

6. Slide the new battery into the bay.

7. Close the bay and slide the battery bay release

button back.

8. Plug in the AC adapter and turn the power on.

Figure 4-1 Replacing the Battery

CAUTION

You may not be able to hear the audio alarm if the vol-

ume control is set too low or is turned off by either the

hardware or software. However, you will still be able to

see the Battery Level indicator ﬂash. Once the low bat-

tery alarm occurs you need to save all your active data

and put your notebook into Suspend mode until you

can provide a new power source. You should provide

a charged battery, an AC power adapter, or Auto/

Airline as soon as possible.

CAUTION

When you are in Suspend mode there must always be at

least one power source active. If you turn off the power

with the power switch, or remove all power sources

while your notebook is in Suspend mode, any data that

has not been saved to the hard drive will be lost.

Battery Bay

Lock Button

Battery Bay

Release Button

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Fujitsu S SERIES User Manual Page 53

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