Sony EVI-D70 Technical Manual page 9

AE – Shutter Priority
The shutter speed can be set freely by the user to a
total of 22 steps – 16 high speeds and 6 low speeds.
When the slow shutter is set, the speed can be
1 / , 1 / , or 1 / s. The picture output is read at a normal
15 8 4
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
/ s. The iris and gain are set automatically,
10,000
according to the brightness of the subject.
Data NTSC
15 10000
14 6000
13 4000
12 3000
11 2000
10 1500
0F 1000
0E 725
0D 500
0C 350
0B 250
0A 180
09 125
08 100
07 90
06 60
05 30
04 15
03 8
02 4
01 a) 2
a)
00 1
a) For AE-Manual only.
Note
When the shutter speed 1/1 s or 1/2 s is used, Auto
Focus and White Balance may not function fully.
AE – Iris Priority
The iris can be set freely by the user to 18 steps
between F1.4 and Close.
The gain and shutter speed are set automatically
according to the brightness of the subject.
Data Setting value
11 F1.4
10 F1.6
0F F2.0
0E F2.4
0D F2.8
0C F3.4
0B F4.0
0A F4.8
09 F5.6
1
/ ,
30
PAL
10000
6000
3500
2500
1750
1250
1000
600
425
300
215
150
120
100
75
50
25
12
6
3
2
1
Data Setting value
08 F6.8
07 F8.0
06 F9.6
05 F11
04 F14
03 F16
02 F19
01 F22
00 CLOSE
AE – Manual
The shutter speed (22 steps), iris (18 steps) and gain
(16 steps) can be set freely by the user.
AE – Bright
The bright control function adjusts both the gain and
iris using an internal algorithm according to a
brightness level freely set by the user. Exposure is
controlled by gain when dark and by iris when bright.
As both gain and iris are fixed, this mode is used when
exposing at a fixed camera sensitivity. When switching
from Full Auto or Shutter Priority Mode to Bright
Mode, the current status will be retained for a short
period of time.
Only when the AE mode is set to "Full Auto" or
"Shutter Priority," the user can switch it to "Bright."
Gain
IRIS AGC
OPEN MAX
Gain curve
CLOSE MIN
Dark
Controlled
by gain
Bright limit which controllable
for this unit
Data Iris Gain
1F F1.4 28 dB
1E F1.4 26 dB
1D F1.4 24 dB
1C F1.4 22 dB
1B F1.4 20 dB
1A F1.4 18 dB
19 F1.4 16 dB
18 F1.4 14 dB
17 F1.4 12 dB
16 F1.4 10 dB
15 F1.4 8 dB
14 F1.4 6 dB
13 F1.4 4 dB
12 F1.4 2 dB
11 F1.4 0 dB
10 F1.6 0 dB
Basic Functions
IRIS curve
Bright
Controlled by IRIS
Data Iris Gain
0F F2.0 0 dB
0E F2.4 0 dB
0D F2.8 0 dB
0C F3.4 0 dB
0B F4.0 0 dB
0A F4.8 0 dB
09 F5.6 0 dB
08 F6.8 0 dB
07 F8.0 0 dB
06 F9.6 0 dB
05 F11 0 dB
04 F14 0 dB
03 F16 0 dB
02 F19 0 dB
01 F22 0 dB
00 CLOSE 0 dB
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