3-6
Operating Instructions
500300 Rev. U
3.3.2
Aborting a Load Sequence
You may cancel the load sequence by pressing LOAD before the
THREADING TAPE
message appears. The drive will stop the load process, display
CANCELING LOAD . .,
wind the tape back on the supply reel and unlock the hub. Display line 2 will then
indicate
LOAD CANCELED
whereupon
the tape may be removed.
3.3.3
Load Sequence Exception Conditions
•
If the drive cannot load the tape after a series of retries, it will abort the load
sequence and display an error message. A list of error messages and their
meanings is given in Chapter 7 of this manual.
•
If the drive is online but not enabled (IFEN not asserted), display line two will
indicate
NOT ENABLED
.
•
If the drive is online but not selected (incorrect drive address), display line two
will indicate
NOT SELECTED
.
•
If somebody opens the door while a load sequence is in progress, the tape drive
will stop the sequence and display a
LOAD FAULT
error message. Press any
switch to clear the error message. To restart the load sequence, close the door
and press LOAD.
3.4
Rewinding and Unloading the Tape
3.4.1
Tape Not at BOT
If the drive is online, it will rewind the tape upon receipt of an interface Rewind
command. While the tape is rewinding, display line two will indicate
REWINDING
and
the tape indicator will decrease to 0% as the tape reaches BOT. The rewind sequence
will stop when the tape reaches BOT. You can also rewind the tape by placing the
drive offline and pressing LOAD.
If you press LOAD while the tape is rewinding, the drive will display
REWIND/UNLOAD
, and will unload the tape when it reaches BOT. During the rewind,
the LOAD switch will toggle between
REWIND
and
REWIND/UNLOAD
.
When all the tape has been wound onto the reel, the drive will unlock the hub, and
display line two will indicate
TAPE UNLOADED
. You may then open the door and
remove the tape by lifting the reel up over the hub and pulling out through the door
as shown in Figure 3-7. The
TAPE UNLOADED
message will remain until the door is
opened or until any switch is pressed.
