31Once in one of the password protected locking modes (LOCK ALL, UNLOCK OUTS ó UNLOCKINS&OUTS), the equipment displays the following screen if you press any disabled front panel control:P A N E L L O C K E DTo re-enable the front panel controls, it is necessary to enter the stored password. To do this,access the lock menu (left and right MENU keys simultaneously for 2 seconds). The following screen isdisplayed:P A S S W O R D R E Q U I R E D[ * ]Enter the password and press SHIFT + ENTER to validate it.P A N E L U N L O C K E DThe equipment will be temporarily unlocked, until it remains 2 minutes without any activity on thefront panel or returns to the lock menu (left and right MENU simultaneously for 2 seconds) to confirm ormodify the lock mode, in which case it will go back to the password request (the same or a new one),which will be active starting from your validation (SHIFT + ENTER).To permanently unlock the equipment, access the lock menu and select the UNLOCK ALL modeas new locking mode.11. CLEANINGThe control panel must not be cleaned with any dissolvent, abrasive or petroleum derivedsubstance else paint and silk-printing could be damaged. Whenever cleaning should be necessary use asoft cloth slightly wet with water and neutral liquid soap. Be careful that no liquid gets into the unitthrough its orifices. Never use sharp or erosive objects to scratch the control panel.