Sleep = Reaction time or delay. The time it takes until the gunners finish their breakfast and rush to the guns to open fire. If set to 0, they will react as soon as a target is within 2 km distance. See this:
http://forum.1cpublishing.eu/showthread.php?t=40985
Rof = Rate of Fire, see this:
http://www.mission4today.com/index.p...p=show&kid=438