Selecting the input source – Acer AT3228ML User Manual
Page 16
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Selecting the input source
Once you have connected your antenna or external equipment to the TV, you need to
select the correct input source.
Press the SOURCE button on the remote control to display the Source menu. Use the up/
down directional keys to navigate the list and press OK to confirm the input you wish to
watch: TV/CMP/AV/VGA/HDMI1/HDMI2/HDMI3 (HDMI3 only for AT3228ML/AT4028ML).
SOURCE