Canon EOS REBEL T2i 说明手册

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页码 260
Turning on the Power
28
When the power switch is set to <1>, the battery level will be 
indicated in one of four levels:
z
: Battery level is OK.
x
: Battery level is slightly down, 
but adequate power remains.
c
: Battery will be exhausted soon.
n
: Battery must be recharged.
Battery Life
 
The figures above are based on a fully-charged Battery Pack LP-E8, no Live 
View shooting, and CIPA (Camera & Imaging Products Association) testing 
standards.
 
The Battery Grip BG-E8 approximately doubles the number of possible shots 
with two LP-E8 batteries installed. With size-AA/LR6 alkaline batteries, the 
number of possible shots at 23°C / 73°F is approx. 470 shots without flash use 
and approx. 270 shots with 50% flash use.
Checking the Battery Level
Temperature
At 23°C / 73°F
At 0°C / 32°F
No Flash
Approx. 550 shots
Approx. 470 shots
50% Flash Use
Approx. 440 shots
Approx. 400 shots
 
The number of possible shots will decrease with any of the following 
operations:
• Pressing the shutter button halfway for a prolonged period.
• Often activating only the AF without taking a picture.
• Using the LCD monitor often.
• Using the lens Image Stabilizer.
 
The lens operation is powered by the camera’s battery. Depending on 
the lens used, the number of possible shots may be lower.
 
For battery life with Live View shooting, see page 109.
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