User's Manual

Configuring and Operating the DLT4500 Mini-Library
4-20 DLT4000/DLT4500/DLT4700 Cartridge Tape Subsytem
4.8 Key Lock
The key lock on the front of the mini-library (Figure 4-1) enables or disables use of the
operator control panel (OCP) (Figure 2-5). The key lock prevents unauthorized
removal of the magazine or cartridges, providing a measure of data security.
To unlock or enable the OCP, turn the key toward the opened lock icon next to the key
lock.
To lock or disable the OCP, turn the key toward the locked icon next to the key lock.
_________________________CAUTION _________________________
Do not force open the magazine door manually. Always use the Open
button to open the door electronically.
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4.8.1 OCP Locked or Disabled
When you insert the magazine into the mini-library and close the magazine door, the
elevator scans the magazine. The OCP pushbuttons are disabled.
4.8.2 OCP Unlocked or Enabled
The OCP pushbuttons unlocked or enabled allow operator intervention.