About Marks Used in This Manual
XXXXX card
Card names shown at the side of function titles indicate cards that must be mounted
to enable connections.
Cards marked with an
at the side of the card name indicate that the card must not
be removed or inserted while the power is ON.
For details on removing and inserting cards, refer to "Maintenance Switches" on
page 5-1.
xvi
DBS 576 (USA), issued 6/2/98
576-13-300