hello all,
maybe the answer lies in Mr. boeing fcom vol 2. page 11.43.3, april 24, 2009.
descent page.
quote : "Speed restrictions (spd rest) : displays the most restrictive of the following speeds : - destination airport speed minus 10kts. - waypoint speed restriction if greater than minimum flaps up maneuvering speed. - minimum flaps up maneuvering speed. - selected vref + wind correction for landing flap setting. - whenever flaps are extended, the appropriate flap speed shall be displayed as xxx/flaps. this shall supersede any other speed restriction. - display xxx/hold when decelerating to hold speed prior to hold entry fix. dash prompts displayed when there is no active speed restriction. manual crew entries or deletions may be made. HOLD or FLAPS speed may not be deleted or modified." end of quote. merry xmas to all, bm