Hitachi 21 manual BE-IR20 external sync

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11. Function setting and changes

11-5 BE-IR20 external sync

The BE-IR20 factory setting is for internal sync. If required, this can be changed to external sync by changing chip parts.

Change the following chip parts for external sync operation.

	Sync system		R280		R281		R282		R284
	Internal		100 Ω		Absent		Absent		0 Ω	Factory setting
	External		Delete		0 Ω		100 Ω		Delete
	0 Ω ：		Part code			RME1784
			Type			ERJ3GEYJ0R00V
	100 Ω		： Part code			RME1797
			Type			ERJ3GEYJ101V

(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 Specifications IntroductionGeneral Composition．Specifications BE-IR20 BE-IR20 Optical dimensions External viewInstallation Two 2.5 mm DiaTypical connection BLK GRN YEL REDTypical connection GNDExternal sync BE-IR21 Function setting and changes AGC on / offFunction setting and changes Gamma responseAuto electronic shutter on / off Changes to fixed shutter mode FixedBE-IR20 external sync BE-IR21 internal sync HD and VD output BE-IR20 only Options BE-IR20/21 and LA-IR20 combined dimensions OptionsSpectral sensitivity typical example U t i o n