Unflag a previously unreachable VME board.

Arguments:

Board board

The name of the board to unflag.

Example:

The following example clears the error flag of receiver card 1.

  unflag rx1

Context:

If a bus error occurs while sending from a VME board, the control system flags the board as inaccessible and continues as best as it can. When the scanner encounters a flagged board, it substitutes zeros for the values of all registers on that board. To resume monitoring of the board after it has been repaired, the unflag command can be used to clear the flag.