Operating Procedures

Using the Electronic Security Lock

To invoke the secure (locked) mode, the operator enters the Lock sequence (Right Alt

key, Right Shift key, and Enter key). The control unit displays on the status line and the display adds a 3 to act as a prompt for a user-definable three-key password to “unlock” the display. To unlock, type in the three-key password. Each key decrements the prompt number. If the password does not match, the 3 redisplays on the status line. When the

password matches, the display is unlocked and the control unit removes the symbol.

Powering off the display while locked means it will be locked when powered on next

time. Upon power-on 3 is displayed, requiring all three password keys to be entered to unlock the display. To change the password, see “Changing the Keyless Password” on Page 3-14.

If the Dim Timer is not “off,” and the keyless password is not “off” when the Dim Timer expires, the display station locks. Pressing the space bar once and entering the password “unlocks” the display.

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IBM 1483DSV manual Using the Electronic Security Lock