User's Manual

Configuring and Operating the DLT4000 Basic Tape Drive
3-10 DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem
Table 3-1 shows the results of density selection.
Table 3-1 Results of Density Selection
If …… Then ……
The Density Select button is not
used
The indicators show the actual density when
the tape is reading and writing. The
indicators are on steady and Density Override
is off.
The Density Select button is
used, and if the actual tape
density is the same as the density
you selected
The actual density and the Density Override
light. For example, if the actual tape density
is 10.0 GB and the selected tape density is
10.0 GB, then the indicator next to 10.0/15.0
lights.
The Density Select button is
used, and if the actual tape
density differs from the density
selected
1. The indicator with the actual density is on
steady
2. The indicator with the selected density
blinks
3. Density Override lights steady
For example, if the actual tape density is 10.0
GB and the selected density is 6.0 GB,
10.0/15.0 lights steady, 6.0 blinks, and
Density Override indicator is on steady.
To select density over the SCSI bus:
1. Do a SCSI MODE SELECT with the density you want. For more details, see
Chapter 8.
2. Write data to the tape from BOT.