Honeywell HD4US Configuration Manual page 14

If AUTO is selected, you can configure Read Time, S-Level, E-Level, and BW AGC.
Burst
You can turn color burst output ON or OFF when in black and white (BW) mode.
If ON is selected, the camera provides a color burst signal while in night mode. If OFF is selected, no
color burst signal is provided.
Note Some DVRs require a color burst signal to detect a camera.
14
READ TIME Time interval delay before switching from day
mode (color) to night mode (black and white)
S-LEVEL Switching level from day mode (color) to night
mode (black and white)
E-LEVEL Switching level from night mode (black and
white) to day mode (color)
BW AGC Additional AGC adjustment for night mode