Nikon D5300 参考手册

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页码 308
18
A
A-M, M/A-M, and A/M-M Switches
When using autofocus with a lens equipped with an A-M mode 
switch, slide the switch to A (if the lens has an M/A-M or A/M-M switch, 
select M/A or A/M). For information on other lenses that can be used 
with this camera, see page 226.
A
Vibration Reduction (VR)
Vibration reduction can be enabled by selecting On for Optical VR in 
the shooting menu (
0 181), if the lens supports this option, or by 
sliding the lens vibration reduction switch to ON, if the lens is 
equipped with a vibration reduction switch. A vibration reduction 
indicator appears in the information display when vibration 
reduction is on.
A
Detaching the Lens
Be sure the camera is off when removing or exchanging lenses. To 
remove the lens, press and hold the lens release button (q) while 
turning the lens clockwise (w). After removing the lens, replace the 
lens caps and camera body cap.
A
Retracting Lenses with Retractable Lens Barrel Buttons
To retract the lens when the camera is not in use, hold the retractable 
lens barrel button (q) and rotate the zoom ring to the “L” (lock) 
position as shown (w). Retract the lens before removing it from the 
camera, and be careful not to press the retractable lens barrel button 
when attaching or removing the lens.
A
The Camera Clock
The camera clock is less accurate than most watches and household clocks.
 
Check the clock 
regularly against more accurate time pieces and reset as necessary.
A
The Clock Battery
The camera clock is powered by an independent, rechargeable power source, which is 
charged as necessary when the main battery is installed.
 
Three days of charging will power 
the clock for about a month.
 
If a message warning that the clock is not set is displayed when 
the camera is turned on, the clock battery is exhausted and the clock has been reset.
 
Set the 
clock to the correct time and date.