%  Copyright (C) 2004 Yokogawa Electric Corporation, All Rights Reserved.
% 
%  usage:
%    [trigger_event] = GetMeg160TriggerEventM( fid )
% 
%  arguments:
%    fid             : file ID
% 
%  return values:
%    trigger_event   : n x 1 vector which include multi trigger code (n: epoch count of evoked raw data)
%  
%  confirmation of revision:
%   GetMeg160TriggerEventM( Inf ) will show and return revision of this function.
%
