Vaddio Sony EVI-HD1 PTZ Camera - Manual (Page 9)

9
Basic Functions
White Balance
White Balance has the following modes, all of which
can be set using VISCA Commands.
• Auto White Balance
This mode computes the white balance value output
using color information from the entire screen. It
outputs the proper value using the color temperature
radiating from a black subject based on a range of
values from 3000 to 7500K.
This mode is the default setting.
• Indoor
3200 K Base Mode
• Outdoor
5800 K Base Mode
• One Push WB
The One Push White Balance mode is a fixed white
balance mode that may be automatically readjusted
only at the request of the user (One Push Trigger),
assuming that a white subject, in correct lighting
conditions and occupying more than
1 /
2
of the image,
is submitted to the camera.
One Push White Balance data is lost when the power
is turned off. If the power is turned off, reset the One
Push White Balance.
• Manual WB
Manual control of R and B gain, 256 steps each
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/
29.97/NTSC:
1 /
60
s, 50/25/PAL: 1 /
50
s)
• Slow shutter limit
Lower limit of the slow shutter mode in the Full Auto
mode. For the 59.94/29.97/NTSC video format, select
the lower limit from among 1/60, 1/30 or 1/15.
For the 50/25/PAL video format, select the lower
limit from among 1/50, 1/25 or 1/12.
• 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.
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.
• 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
, or 1 /
4
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 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
Note
When the low shutter speed is used, Auto Focus and
White Balance may not function fully.