Locking/Unlocking The Keyboard - Defensor PH27 Operating Instructions Manual

5.6

Locking/unlocking the keyboard

The keyboard of the Defensor PH27/PH27A can be locked to prevent unauthorized access to the
stored settings.
PH27
Key lock
PH27
Act 45%rH
• To lock the keyboard, press <ESC> key until (approx.  seconds) the
adjacent message appears in the display. The keyboard is locked now.
Each time you press any key the adjacent message appears again.
• To unlock the keyboard, press <ESC> key until (approx.  seconds)
the message "Key lock" disappears and the operating display is
H3
shown.
27