MSD-72 Series User’s Guide1299.16 Other settings9.16.1 Operation lock modeMenu Top → OTHERS → OP LOCK MODESetting for CHANNEL, CHANNEL MODE, MENU, PRESET LOAD, COMMAND, COMMAND MODE,DISPLAY POWSetting value LOCK [Default], UNLOCKYou can set the operation lock mode for each key group on the front panel.[Table 9.41] Keys for operation lockItem Target key of operation lockCHANNEL Input channel selection keysCHANNEL MODE SWITCHING MODE key (SWITCHING MODE)MENU MENU/SET key (MENU/SET)PRESET LOAD Locks loading cross point・When the UNLOCK key blinks:COMMAND A to COMMAND I cannot be selected.・When the UNLOCK key is turned off or lights:The UNLOCK key cannot blink.COMMAND Locks control command execution・When the UNLOCK key lights:COMMAND A to COMMAND I cannot selected.・When the UNLOCK key is turned off or blinks:The UNLOCK button cannot light.COMMAND MODE UNLOCK key・When the UNLOCK key lights:Control command can be executed.・When the UNLOCK key blinks:Cross point can be loaded.DISPLAY POW Power key of sink device (DISPLAY POWER)