Security Keylock Feature - IBM 3270 Operator's Manual

Security Keylock Feature
The Security Keylock feature (Figure 4-6) improves a user's data processing
security. An organization using this feature has the ability to lock its 3278
Display Stations and allow only authorized operators (those issued keys) to
operate them.
Figure 4-6. Only authorized operators may use a
display station that has a security keylock.
How It Is Used
A display station with a security keylock installed cannot be operated until the
key is inserted and turned clockwise.
Note: The keylock turns 90
0
(vertical to horizontal position) when you turn
the key.
To prepare a display station equipped with a security keylock for operation, put
the key in the lock and turn it clockwise; then, if the display station is turned
off, press the top portion (
m )
of the On/Off switch. As soon as the cursor
appears on the screen, you can begin work on your display station.
Chapter 4. Features for the 3278 4-9