Sony Notebook Computer Us
er G
u
ide
Notes on Use
Other precautions
102
n N
❑
Battery life is shorter in a cold environment. This is due to decreased battery
efficiency at low temperatures.
❑
Charge the batteries at temperatures between 10
°
C to 30
°
C. Lower temperatures
require a longer charging time.
❑
While the battery is in use or being discharged, the battery pack heats up. This is
normal and is not cause for concern.
❑
Keep the battery pack away from all sources of heat.
❑
Keep the battery pack dry.
❑
Do not open or try to disassemble the battery pack.
❑
Do not expose the battery pack to any mechanical shock.
❑
If you are not using the computer for an extended period of time, remove the
battery pack from the computer to prevent damage to the battery.
❑
If, after fully charging the battery pack, the battery power is still low, the battery
pack may be reaching the end of its life and should be replaced.
❑
You do not need to discharge the battery before recharging.
❑
If you have not used the battery pack for a considerable amount of time, recharge
the battery.
On Using earphones
❑
Road safety – Do not use earphones while driving, cycling, or operating any
motorized vehicle. It may create a traffic hazard and is illegal in some areas. It
can also be potentially dangerous to play your earphones at high volume while
walking, especially at pedestrian crossings. You should exercise extreme caution
or discontinue use in potentially hazardous situations.
