Canon XH A1S ユーザーズマニュアル

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Recording in Shutter-Priority (Tv) Mode
Available shutter speeds when recording movies depend on the selected frame rate:
Available shutter speeds when recording still images:
1/4, 1/8, 1/15, 1/30, 1/60, 1/100, 1/250, 1/500
1. Set the 
 dial to Tv.
2. Select the shutter speed with the 
SHUTTER dial.
With the custom function [OPER.DIRECTION] (
you can change the direction of the adjustment when 
you use the SHUTTER dial.
 Settings other than the shutter speed (aperture, etc.) are adjusted automatically.
 Using exposure lock to adjust the exposure manually will change the shutter speed, overriding the 
shutter speed selected in Tv mode.
 When the AGC switch is set to ON, the numeric value on the screen flashes if the selected shutter 
speed is not suitable for the recording conditions. In such case, readjust the shutter speed. If you 
are using an ND filter, turn it off first and readjust the shutter speed.
 Image quality may decrease to some extent when using slow shutter speeds.
 When recording under artificial light sources such as fluorescent, mercury or halogen lamps, the 
screen may flicker depending on the shutter speed. To avoid the flicker, set the shutter speed to 
1/100.
 You can use the custom keys (
73) or the [SYSTEM SETUP/
]   [SHTR D.LOCK] setting 
(
130) to prevent the accidental operation of the SHUTTER dial. 
60i/30F
1/4, 1/8, 1/15, 1/30, 1/60, 1/100, 1/250, 1/500, 1/1000, 1/2000, 1/4000, 1/8000, 1/15000, 
CS (clear scan)
24F
1/3, 1/6, 1/12, 1/24, 1/48, 1/60, 1/100, 1/250, 1/500, 1/1000, 1/2000, 1/4000, 1/8000, 1/15000, 
CS (clear scan)
SHUTTER dial