Digital Watchdog C235T Series Instruction Manual page 8

E. AGC
• ON : Activate automatic gain control feature.
You can adjust the desired AGC level from 0 to 38dB.
• OFF : Deactivate automatic gain control feature.
F. LOW LIGHT
• SLOW SHUTTER : Control Image brightness by adjusting
shutter speed
- AGC : shutter speed setting( Range 28 to 48)
- MAX FIELD : Shutter open from Min. x2 to Max. x32
filed accumulation period.
• B&W SS (Black and White Slow Shutter)
• GAIN : To achieve a brighter picture.
G. SYNC
• INTERNAL : Internal synchronization
• LINE LOCK : Phase adjustment may be necessary in
multiple camera installations to prevent picture roll
when switching between cameras