Honeywell HD4D3S Configuration Manual page 7

EXPOSURE E. SHUTTER (Electronic Shutter)
You can select from 18 different shutter
speed levels, from X256 to 1/100000. The
default shutter speed is 1/60.
Note The SENSE_UP menu cannot be
controlled if the E.SHUTTER
setting is above 1/250.
Select 1/100FLC to run camera in
flickerless mode.
Document 800-08379 Rev B
05/11
7