Hitachi BE-IR20, 21 manual Function setting and changes, Gamma response

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11. Function setting and changes

11-2 Gamma response

The factory setting is gamma on. If necessary , the gamma response can be changed as follows.

Change the gamma response by changing the chip part.

	Gamma(γ )response	R217	R218	R219
	ON	Absent	0Ω	0Ω	Factory setting
	OFF	0Ω	Remove	Remove
0Ω : Part code		RME1784
	Description	ERJ3GEYJ0R00V

Location of chip capacitors (Main board side B)

BE-IR20 / 21

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Contents Infrared B/W Camera Module Operation Guide Table of Contents Introduction SpecificationsGeneral Composition．Specifications BE-IR20 BE-IR20 External view Optical dimensionsTwo 2.5 mm Dia InstallationBLK GRN YEL RED Typical connectionGND Typical connectionExternal sync BE-IR21 AGC on / off Function setting and changesGamma response Function setting and changesAuto electronic shutter on / off Fixed Changes to fixed shutter modeBE-IR20 external sync BE-IR21 internal sync HD and VD output BE-IR20 only Options Options BE-IR20/21 and LA-IR20 combined dimensionsSpectral sensitivity typical example U t i o n