About Your Monitor 13Monitor SpecificationsThe following sections give you information about the various powermanagement modes and pin assignments for the various connectors ofyour monitor.Power Management ModesIf you have VESA’s DPM compliance display card or software installed in yourPC, the monitor automatically reduces its power consumption when not inuse. This is referred to as Power Save Mode. If the computer detects inputfrom keyboard, mouse, or other input devices, the monitor automaticallyresumes functioning. The following table shows the power consumptionand signaling of this automatic power saving feature:VESAModesHorizontalSyncVerticalSync Video PowerIndicatorPowerConsumptionNormaloperationActive Active Active White 170 W (Maximum)**80 W (Typical)***Active-offmodeInactive Inactive Blank GlowingwhiteLess than 0.3 WSwitch off - - Off Less than 0.3 W** Zero-power consumption in OFF mode can only be achieved bydisconnecting the main cable from the monitor.** Maximum power consumption with max luminance and contrast.*** Typical power consumption with OSD default setting, audio and USBinactive.The OSD will only function in the normal operation mode. When any buttonexcept power button is pressed in Active-off mode, the following messageswill be displayed:Dell C5517HThere is no signal coming from your computer. Press any key on thekeyboard or move the mouse to wake it up. If there is no display, pressthe monitor button now to select the correct input source on theOn-Screen-Display menu.