Operation Manual

Security lock

In order to protect your tiptel 540 SD from unauthorised use you can lock the device

with a PIN (personal identification number). The PIN is number containing 1 to 4

digits. You must enter this PIN to unlock the device. In the factory pre-set, the PIN

code is "0000".

Locking the device/Changing PIN

Press menu. The main menu is displayed.

Search for the "Security lock" entry

using the control buttons

(up/down).

Press the selection button next to

"Security lock".

The PIN entry field is displayed.

Enter the first digit of the PIN using

he control buttons (up/down).

The display shows the current setting.

Select the next or previous entry

location using the control buttons

(left/right).

The cursor is located at the selected en-

ry point.