Operating Manual
See advanced function
0670 (page 25) for
screen lock options
To prevent tampering, the screen can be par
tially or fully locked.
When partially locked, the screen displays
SCREEN LOCKED for several seconds if a locked
key is pressed. To unlock the screen, press any
unlocked key while SCREEN LOCKED appears on
the screen.
When the screen is fully locked, no keys
function. To lock or unlock the screen, see
advanced function 0670 on page 25.
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