Attributes . Auto Gain Control . Values

0~15 Levels (3)   20 dB (max) (2)   4dB - 32dB - Auto (2)   4dB~35dB Auto (1)   AGC (1)   Auto (6)   AUTO / MANUAL ( NTSC : . (1)   Auto / Manual (-3 to 28. (1)   AUTO(0FF, 37dB), MANUAL. (1)   Auto/Manual (1)   Auto/Manual/Max.(-3 dB . (2)   Auto/off (1)   Automatic (5)   Automatic/OFF (6)   High-Low-Off (2)   Low / High / Off (1)   Low / Middle / High (1)   Low / Middle / High / O. (1)   Low light auto, bright . (1)   Normal,High,Off Selecta. (1)   Off / Low / Medium / Hi. (3)   OFF / LOW / MIDDLE / HI. (7)   Off / Low / Middle / Pu. (1)   OFF ~ 38dB Adjustable (1)   Off/Auto (with adjustab. (2)   Off/on up to 36 dB, 16 . (4)   On / Off (adjustable) (2)   On/Off (5)   On/off 35 dB (2)   ON/OFF switchable (1)   On/Off,max <28db (1)   Selectable (1)   Yes (223)