sony deck hvr-m15 and sony Vegas.Issues on the preview
 

hola,
my deck hvrm15 has issues with the external preview of Vegas8.My monitor JVC sometimes read the preview other times doesn't. The preview device is set on:iee1394....
but it reads below: Hot pluggable device
Device unavailable

i went to reconnect function but nothing.I tryed even to change the firewire cables.Don't know right now what else to do.Any suggestions?