Hitachi BE-IR20, 21 manual Changes to fixed shutter mode, Fixed

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11. Function setting and changes

11-4 Changes to fixed shutter mode

The fixed shutter mode can be changed by replacing the chip parts indicated below.

		Mode	R259	R260	R261
	Normal mode		0Ω	0Ω	Absent
	Auto electronic		Remove	Remove	Absent
	shutter mode
		EIA
		1/100	Remove	0Ω	0Ω
		CCIR	Remove	0Ω	0Ω
		CCIR
	Fixed	1/120
	Fixed	1/250	↑	↑	↑
	shutter	1/250	↑	↑	↑
	shutter	1/500	↑	↑	Absent
		1/500	↑	↑	Absent
	mode	1/1000	↑	↑	↑
	mode	1/2000			0Ω
		1/2000			0Ω
		1/5000			↑
		1/10000			Absent
		1/100000			↑

R262	R263	R264	R265	R266	R267	R268	R269
0Ω	Absent	6800	10k	27k	10k	10k	27k
0Ω	Absent	↑	↑	↑	↑	↑	↑
Remove	Absent	0Ω	0Ω	Remove	0Ω	0Ω	Remove
↑	↑	↑	↑	↑	Remove	Remove	0Ω
Remove	0Ω	↑	↑	↑	0Ω	0Ω	Remove
↑	↑	↑	↑	↑	Remove	Remove	0Ω
Remove	Absent	Remove	Remove	0Ω	0Ω	0Ω	Remove
↑	↑			0Ω	Remove	Remove	0Ω
Remove	0Ω			0Ω	0Ω	0Ω	Remove
↑	↑			0Ω	Remove	Remove	0Ω

Factory setting

R259 , R260	:	0Ω	Part code		RME2068
		Description			ERJ2GE0R00X
Others	:	0Ω	Part code		RME1784
		Description			ERJ3GEYJ0R00V

(Main board side A)

(Main board side B)

Location of chip resistors

BE-IR20 / 21

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Contents Infrared B/W Camera Module Operation Guide Table of Contents Composition SpecificationsIntroduction General．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