VT420D 12 150-114No. Key Description1 Power Power Switch ; Power ON/OFF2 ENTER Activate selection3 〈 / + Menu right / Value increasing4 〉/ - Menu left / Value decreasing5 ^ Menu down6 ﹀ Menu up7 MENU Enter OSD menu / Exit menu or selectNo. Key Description1 POWER Power ON / OFF2 ⇪ Menu left3 △ Menu up4 ENTER Enter5 AUTO Adjust clock, phase, H & V positionautomatically6 PIP Picture in picture7 MENU OSD menu8 = Menu right9 ▽ Menu down10 EXIT Exit and one level up11 SOURCE Input source selection12 SWITCH PIP picture switchOperating The MonitorThe Side Controller Of The MonitorThe Remote Control (RCU ) Instructions1 72 83 94 105 116 12λ OSD Lock/Unlock ControlUse control push buttons at sideLock: Press (=/+) and (▽) at the same time and OSD will be locked.Unlock: Press (=/+) and (▽) at the same time again and OSD will be unlocked.Use remote controllerLock: Press Enter, Enter, Exit, Exit, Enter and Exit on the controller by sequence and OSD will be locked.Unlock: Press Enter, Enter, Exit, Exit, Enter and Exit on the controller by sequence again and OSD will be unlocked.