CV-M300
Cautions on Shutter.
The image can flicker when the illumination is AC powered.
Highlighted parts of the image will show increasing smear at a shorter shutter time.
7.1.4. Ext. Trigger Shutter Mode
When trigger select
The shutter time setting is shown in “7.1.3. Table for Shutter Time”.
7.1.5. Trigger Select
OFF is normal mode, where the camera is running continuously.
ON is the ext. trigger shutter mode. Here the external trigger pulse will start the exposure.
7.1.6. CCD Accumulation
OFF is field accumulation. It is used for moving objects.
ON is frame accumulation. It is for still objects.
7.1.7. Scanning System
OFF is 2.1 interlaced. It will follow the EIA or CCIR standard for interlaced scanning. ON is
In EIA the
If the camera is ext. HD/VD synchronized with a
7.1.8. Gamma Correction
OFF is gamma 1.0. It is linear. Recommended for machine vision and image processing. ON is gamma 0.45. It is
7.1.9.Gain Control
OFF is manual gain. Here the gain can be controlled by the GAIN potmeter on the rear panel.
ON is the AGC mode. Here the gain is adjusted automatically. The AGC level can be adjusted by VR3 on PK8042 board. See “8. Adjustment of Video Signal Output Level”.
7.2. SW2 on PK8041 Board
This switch is to select 75 Ohm termination or TTL for ext. HD and ext. VD.
ON is 75 Ohm terminated. (Factory setting). OFF is TTL level.
H D VD
ON
12
O F F
S W 2
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