
EPN4220d/4220di
60
Lens Settings:
Focus Mode:
Select one from the three modes. You can click the
Push
button on the right side to
instruct the camera to the selected mode. This is like a “semi-automatic” way to adjust the focus
mode to suit the user.
One Push:
Selecting this option will enable the one-push-trigger focus mode. This means the
lens will hold the same focal position until the next trigger command is received. This function
helps to prevent incorrect focusing in dark environments.
Auto:
Auto focus mode automatically adjusts the camera’s focal mechanism to maximize the
quality by calculating the luminance and contrast areas.
Manual:
Manual mode lets the user to adjust the camera focus manually using the PTZ focus
buttons.
Digital Zoom:
Select a value to enable the digital zoom function. Select
OFF
to disable the function.
The digital zoom function only starts working once you have adjusted the optical zoom to the
maximum value.
Focus Near Limit:
Set the minimum distance for the camera’s focus near function.
Exposure Settings (AE):
Mode:
Auto:
Select this option to automatically apply the optimal iris value and shutter speed. By
default, the Auto Exposure is set to Auto.
AES (Iris Priority):
Select this option to manually set up the Iris value and turn off the Shutter
Speed.
ALC (Shutter Priority):
Select this option to manually set up the shutter speed. The Iris value is
automatically set up by default.
Fix:
Use this configuration option if you have special requirements for the exposure setting. It
allows you to specify the Iris position and Shutter speed.
IRIS:
Manually adjust the Iris value. This option is only functional when you select
Iris Priority
or
Fix
for AE Mode setting.
Shutter (Manual):
Manually adjust the shutter speed. This option is only functional when you
select
Shutter Priority
or
Fix
for AE Mode setting. The lower the value, the more the amount of
light is received.
AGC (Manual):
This option is only functional when you select
Fix
for AE Mode setting. The lower
the AGC level, the lower the video signal and the noise. However, the image will be darker under
low-light condition with IR-off if you set up the Iris to the maximum level.
Slow Shutter:
This option is only functional when you select
Auto
or
Iris Priority
for AE Mode
setting.
AGC Limit:
Set up the AGC limit level. This option is not available when you select
Fix
for AE Mode
setting.
Brightness:
Set up the brightness value.
AE Response
: Set up the Auto Exposure Response time.
Содержание EPN Series
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