Gain - Toshiba IK-HD3D Instruction Manual

6. 4

Gain

When the image is dark even if the lens iris is open, change the gain (video gain) to get the desired video level.
For gain adjustment of the unit, AUTO (Automatic gain control), MANUAL (Manual gain control), OFF (0 dB) modes
are provided. Select the mode on the GAIN menu. (Refer to the item "7.2 (2) GAIN (Video gain)".)
AUTO (Automatic gain control)
When the output is low, gain is automatically adjusted to a suitable video level.
The maximum value of gain is 20dB, and can be set from 0 to 18dB in 1dB steps. (Refer to the item "7.2 (2) (2.1)
Changing the maximum gain in AUTO (Automatic gain control) mode".)
Video level (LEVEL), peak average value ratio (PEAK/AVE), measurement light area (AREA), and response
setting in AUTO mode".)
MANUAL (Manual gain)
Gain adjustment is performed on the GAIN menu. The adjustment range is from -3 to 20dB in 1dB steps.
(Refer to the item "7.2 (2) (2.2) Changing gain in MANUAL mode".)
OFF
Gain is fixed at 0 dB.
Gain button
OFF → GAIN OFF
GAIN menu :
AUTO → GAIN AUTO
SS :
AUTO :
MANUAL
" " shows the setting gain in MANUAL mode.
GAIN of MAX GAIN in AUTO mode and MANUAL mode can not be changed.
Note:
White, red, green, or blue dots may occur when the gain is increased. This is not a malfunction, just certain
characteristics of the CMOS sensor becoming more visible.
dB → GAIN dB
OFF AUTO
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MANUAL