TSE 3003 – Mode selection Lite Mode Standard Mode : Press the ON/Enter key. Press the function key. Press key 2 twice (menu option [Standard Mode]). Press the ON/Enter key. Enter your opening code. Enter your 4-digit code 3195. Press the ON/Enter key. To switch to Standard mode, confirm the setting again with the ON/Enter key. Standard Mode Lite Mode : Press the ON/Enter key. Press the function key. Select the menu option [Administrator] using keys 1 and 2. Press the ON/Enter key.