Honeywell GC-715P24, GC-715N24 operation manual Bmb

④“AGC” Mode ( Automatic Gain Control )

Select the AGC mode to high ( gain 32dB) or low ( gain 26dB ).

L

AGC

H

⑤“BMB/SENS” Mode What is BMB?

When this switch is to “high”, the maximum AGC is set to 32 dB, and sensitivity increases automatically when illumination becomes dark . In AGC high mode , the integration time of the memory can be further decreased than AGC low mode ( 26dB) , and moving object is displayed more natural. But the noise of video signal is further increased .

13

-. BMB is the trade mark of Honeywell, that means BLACK MASK BLC. (BMBTM)

-. It is to improve the weak points of Electronic Iris & BLC.

-. Mask the excessive light by 3 making level and minimize the loss of outlines of Objects due to strong light.

◆BMB(Black Mask BLC) Mode

It can be adjustable to 3 levels according to surrounding condition.

( Factory default : 3Level )
			LEVEL	H1	H0	Remark
			OFF	X	X
			1	X	O	GRAY
	BMB		2	O	X	DARK GRAY
		L1 L0
			3	O	O	BLACK

14

SENS		< BMB level adjustment >
	H1 H0
		As higher BMB level, making level is darker.

and around the masked area become lighter.