Sony FCBH11 Product Manual (FCB-H11 Technical Manual) - Page 8

Automatic Exposure Mode, AE - Shutter Priority

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Basic Functions Automatic Exposure Mode The variety of AE functions, which allow video signal to output the optimum image for subjects from low light conditions to bright light conditions, are available. • Full Auto Auto Iris and Gain, Fixed Shutter Speed (59.94/ NTSC: 1/60 s, 50/PAL: 1/50 s) • Slow shutter limit Lower limit of the slow shutter mode in the Full Auto mode. For the 59.94/NTSC video format, select the lower limit from among 1/60, 1/30, 1/15, 1/8, 4/1 or 1/2. For the 50/PAL video format, select the lower limit from among 1/50, 1/25, 1/12, 1/6, 1/3 or 1/2. • Shutter Priority 1) Variable Shutter Speed, Auto Iris and Gain (1/2 to /1 10,000 s, 21 steps, high speed shutter: 15 steps, slow shutter: 6 steps) • Iris Priority Variable Iris (F1.8 to Close, 18 steps), Auto Gain and Shutter speed. • Manual Variable Shutter, Iris and Gain. • Bright Variable Iris and Gain (Close to F1.8, 18 steps at 0 dB: F1.8, 6 steps from 0 to 18 dB) • Spot light Avoids a situation where the face of the subject is over-illuminated, and becomes whitish. AE - Shutter Priority The shutter speed can be set freely by the user to a total of 21 steps - 15 high speeds and 6 low speeds. When the slow shutter is set, the speed can be 1/30, 1/15, 1/8, 1/4, or 1/2 s. The picture output is read at a normal rate from the memory. The memory is updated at a low rate from the CCD. AF capability is low. In high speed mode, the shutter speed can be set up to /1 10,000 s. The iris and gain are set automatically, according to the brightness of the subject. Parameter 15 14 13 12 11 10 0F 0E 0D 0C 0B 0A 09 08 07 06 05 04 03 02 01 59.94i [sec] 1/10000 1/6000 1/4000 1/3000 1/2000 1/1500 1/1000 1/725 1/500 1/350 1/250 1/180 1/125 1/100 1/90 1/60 1/30 1/15 1/8 1/4 1/2 50i [sec] 1/10000 1/6000 1/3500 1/2500 1/1750 1/1250 1/1000 1/600 1/425 1/300 1/215 1/150 1/120 1/100 1/75 1/50 1/25 1/12 1/6 1/3 1/2 Note When the low shutter speed is used, Auto Focus and White Balance may not function fully. ... 1) Flicker can be eliminated by setting shutter to: t 1/120 s for PAL models used in countries with a 60 Hz power supply t 1/100 s for NTSC models used in countries with a 50 Hz power supply frequency. frequency. 8

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8
Basic Functions
Automatic Exposure Mode
The variety of AE functions, which allow video signal
to output the optimum image for subjects from low
light conditions to bright light conditions, are
available.
• Full Auto
Auto Iris and Gain, Fixed Shutter Speed (59.94/
NTSC:
1
/
60
s, 50/PAL:
1
/
50
s)
• Slow shutter limit
Lower limit of the slow shutter mode in the Full Auto
mode. For the 59.94/NTSC video format, select the
lower limit from among 1/60, 1/30, 1/15, 1/8, 4/1 or
1/2.
For the 50/PAL video format, select the lower limit
from among 1/50, 1/25, 1/12, 1/6, 1/3 or 1/2.
• Shutter Priority
1)
Variable Shutter Speed, Auto Iris and Gain
(
1
/
2
to
1
/
10,000
s, 21 steps, high speed shutter: 15 steps,
slow shutter: 6 steps)
• Iris Priority
Variable Iris (F1.8 to Close, 18 steps), Auto Gain and
Shutter speed.
• Manual
Variable Shutter, Iris and Gain.
• Bright
Variable Iris and Gain (Close to F1.8, 18 steps at
0 dB: F1.8, 6 steps from 0 to 18 dB)
• Spot light
Avoids a situation where the face of the subject is
over-illuminated, and becomes whitish.
1) Flicker can be eliminated by setting shutter to:
t
1
/
100
s for NTSC models used in countries with a 50 Hz power supply
frequency.
.................................................................................................................................................................................................................................
t
1
/
120
s for PAL models used in countries with a 60 Hz power supply
frequency.
AE – Shutter Priority
The shutter speed can be set freely by the user to a
total of 21 steps – 15 high speeds and 6 low speeds.
When the slow shutter is set, the speed can be
1
/
30
,
1
/
15
,
1
/
8
,
1
/
4
, or
1
/
2
s. The picture output is read at a
normal rate from the memory. The memory is updated
at a low rate from the CCD. AF capability is low.
In high speed mode, the shutter speed can be set up to
1
/
10,000
s. The iris and gain are set automatically,
according to the brightness of the subject.
Note
When the low shutter speed is used, Auto Focus and
White Balance may not function fully.
Parameter
59.94i
50i
[sec]
[sec]
15
1/10000
1/10000
14
1/6000
1/6000
13
1/4000
1/3500
12
1/3000
1/2500
11
1/2000
1/1750
10
1/1500
1/1250
0F
1/1000
1/1000
0E
1/725
1/600
0D
1/500
1/425
0C
1/350
1/300
0B
1/250
1/215
0A
1/180
1/150
09
1/125
1/120
08
1/100
1/100
07
1/90
1/75
06
1/60
1/50
05
1/30
1/25
04
1/15
1/12
03
1/8
1/6
02
1/4
1/3
01
1/2
1/2