Maximizing Battery Operating Time - Toshiba TECRA A8 User Manual
Portable personal computer
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Also See for TECRA A8:
- Maintenance manual (428 pages) ,
- User manual (306 pages) ,
- User manual (276 pages)
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You should wait at least 16 seconds after turning on the computer
before trying to monitor the remaining operating time. This is because
the computer needs this time to check the battery's remaining capacity
and then calculate the remaining operating time, based on this together
with the current power consumption.
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Please be aware that the actual remaining operating time may differ
slightly from the calculated time.
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With repeated discharges and recharges, the battery's capacity will
gradually decrease. In view of this it will be noted that an often used,
older battery will not operate for as long as a new battery even when
both are fully charged.
Maximizing battery operating time
A battery's usefulness depends on how long it can supply power on a
single charge.
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How long the charge lasts in a battery depends on:
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How often and how long you use the hard disk, optical disc and the
floppy disk drive.
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How much charge the battery contained to begin with.
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How you use optional devices, such as a PC card, to which the battery
supplies power.
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Enabling Sleep Mode conserves battery power if you are frequently
turning the computer off and on.
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Where you store your programs and data.
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Closing the LCD display panel when you are not using the keyboard
saves power.
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Operating time decreases at low temperatures.
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The condition of the battery terminals. Make sure the battery terminals
stay clean by wiping them with a clean dry cloth before installing the
battery pack.
User's Manual
CPU Processing speed
Screen brightness
Cooling Method
System Sleep
System Hibernation
Monitor Power off
HDD Power off
Power and Power-Up Modes
6-8
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