8Parts and FunctionsControl PanelEXT SP(8Ω,20W[10W+10W])MUTE INPUT MENU1 2 3 4 5 6 7 89 10Remote control sensorPower status Indicator1 POWER buttonUse this button to turn this Display on or put this Displayto standby.2 MUTE buttonSwitch the audio mute ON/OFF.3 INPUT buttonUse this button to select the input source.• Used as [SET] button in the On-Screen-Display menu.4 [ ] buttonIncrease the adjustment while OSD menu is on, orincrease the audio output level while OSD menu is off.5 [ ] buttonDecrease the adjustment while OSD menu is on, ordecrease the audio output level while OSD menu is off.6 [ ] buttonMove the highlight bar up to adjust the selected item whileOSD menu is on.7 [ ] buttonMove the highlight bar down to adjust the selected itemwhile OSD menu is on.8 MENU buttonPress to activate the OSD menu when OSD menu is off.Press to return to previous menu while OSD menu is on.9 Remote control sensor and power statusindicator• Receives command signals from the remote control.• Indicates the operating status of this Display:- Lights green when this Display is turned on- Lights red when this Display is in standby mode- Lights amber when this Display enters “Power Save”mode- When {SCHEDULE} is enabled, the light blinksamber and red- If the light blinks red, it indicates that a failure hasbeen detected- Off when the main power of this Display is turned offNOTE:• The remote control sensor and power status indicator arearranged downward.10 KENSINGTON LOCKFor security and theft prevention.