17AVR-4810CI/AVR-4810SPECIAL MODESpecial mode setting buttonPress the ON/OFF button to turn on while pressing both buttons A and B at the same time.Mode Button A Button B contentsVersion display(μcom/DSP Error Display) STATUS RETURNSerial No. and firmware versions such as Main, Sub, DSP aredisplayed in the FL manager. Errors are displayed when theyoccur. (Refer to 16 page.)Displaying the protection history mode STATUS MENU Displaying the protection history(Refer to 18 page.)Initialization mode(Remove settings for Installer Setup.) STANDARD DSPSIMULATIONBackup data initialization is carried out.(Remove settings for Installer Setup.)Initialization mode(Includes settings for Installer Setup) CURSOR UP CURSORDOWNBackup data initialization is carried out.(Includes settings for Installer Setup)Mode for switching tuner frequency step STANDARD DIRECT/STEREO---E2 model only---Change tuner frequency step to FM:200kHz/AM:10kHzSTEP.Mode for preventing remote controlacceptance STATUS ENTEROperations using remote control are rejected.(Mode cancellation: Turn off power and execute the same buttonoperations as when performing setup.)Panel lock mode DSPSIMULATION ZONE2 Operations using main unit panel buttons or master volume arerejected.Panel lock mode(Remove Master volume) DIRECT/STEREO ZONE2 Operations using main unit panel buttons are rejected.Cancellation of panel lock mode PUREDIRECT ZONE2 Panel lock mode is cancelled.Installer Setup mode MENU CURSORLEFTAccess Remote Maintenance mode via the internet.Installer Setupis displayed on GUI/Option Menu.Refer to AVR_RemoteMaintenance_.pdf of SDI.ON/OFFRETURNZONE2DSPSIMULATIONSTANDARD STATUSENTERPUREDIRECT DIRECT/STEREOMENUCURSORs