Acer AT4220A AT4220A Service Guide - Page 40

Firmware Specifications Preset Mode for VGA Input 16 factory preset modes for VGA inputs are saved during the manufacturing process. Preset mode Pixel Format Hor. Freq. (kHz) Hor. Polarity Vert. Freq. (Hz) Vertical Polarity Standard 1 720*400 31.47 - 70 + VGA 2 640*480 31.47 - 60 - VGA 3 640*480 37.861 - 72 - VESA 4 640*480 37.50 - 75 - VESA 5 640*480 43.4 - 85 - VESA 6 800*600 35.156 - 56 + VESA 7 800*600 37.879 + 60 + VESA 8 800*600 48.077 + 72 + VESA 9 800*600 46.875 + 75 + VESA 10 800*600 53.7 + 85 + VESA 11 1024*768 48.363 - 60 - VESA 12 1024*768 56.476 - 70 - VESA 13 1024*768 60.023 + 75 + VESA 14 1366*768 47.7 + 60 + VESA 15 832*624 49.7 - 75 - MAC 16 1024*768 60.2 - 75 - MAC Power Saving While VGA is selected to input, this LCD TV is equipped with a power management according to VESA DPMS. There is a delay of 30 seconds before the transition from on-state to power saving state to avoid unintentionally entering of a power saving state during display resolution and timing mode changes. During the period of delay, the LED shall indicate green color and OSD will show "No VGA connection". Transition from any power saving state to another can be instantaneous. The recovery from off-state requires no manual power on. Mode Power-On Stand-by Suspend Off-state Power off Hsync On Off On Off ͪ Vsync On On Off Off ͪ Video Active Off Off Off ͪ Power < 180W < 5W < 5W < 5W < 5W Indication Green Red Red Red Dark Recovery time -