6-8
User’s Manual
A350/A350D
■
Whether you close the display panel when you are not using the
keyboard - closing the display saves power.
■
The environmental temperature - operating time decreases at low
temperatures.
■
The condition of the battery terminals - you should always ensure the
terminals stay clean by wiping them with a clean dry cloth before
installing the battery pack.
Retaining data with power off
When you turn off your computer with fully charged batteries, the batteries
retain data for the following approximate time periods.
Retention Time
Extending battery life
To maximize the life of your battery packs:
■
At least once a month, disconnect the computer from a power source
and operate it on battery power until the battery pack fully discharges.
Before doing so, follow the steps as detailed below.
1. Turn off the computer’s power.
2. Disconnect the AC adaptor and turn on the computer’s power - if it
does not turn on then go to Step 4.
3. Operate the computer on battery power for five minutes. If you find
that the battery pack has at least five minutes of operating time,
continue operating until the battery pack is fully discharged,
however, if the
Battery
indicator flashes or there is some other
warning to indicate a low battery condition, go to Step 4.
4. Connect the AC adaptor to the DC IN 19V jack of the computer, and
to a wall outlet that is supplying power. The
DC IN
indicator should
glow white, and the
Battery
indicator should glow amber to indicate
that the battery pack is being charged, however, in the event that
DC IN
indicator does not glow this indicates that power is not being
supplied - check the connections for the AC adaptor and the power
cord.
5. Charge the battery pack until the
Battery
indicator glows white.
■
If you have extra battery packs, rotate their use.
■
If you will not be using the system for an extended period, for example
for more than one month, remove the battery pack from the computer.
Battery type
State and Retention Time
Battery pack
1.5day for 9cell, 1day for 6cell, 0.5day for 3cell
(sleep mode)
15day for 9cell, 10day for 6cell, 5day for 3cell
(shut down mode)
RTC battery
30 days
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