Security lock
75
After entry press the selection but-
ton next to PIN.
The device displays the choice of "Lock
unit" or "Change PIN".
Press the selection button next to
"Lock unit".
The display returns to the initial state. A
small key shows that the device is
locked.
or
Press the selection button next to
"Change PIN".
The tiptel 540 SD requests you to enter a
new PIN.
Use the control buttons to enter a
new PIN.
The display shows the current entry.
To stop the entry press stop several
times.
The new PIN is confirmed and the initial
state is again displayed.
Unlocking device
Use the control buttons to enter the
PIN.
The display shows the current setting.
After entry press the selection but-
ton next to PIN.
The small key is no longer displayed. The
device can now be used.