Acer AT4220A AT4220A Service Guide - Page 16

7 RECALL 8 ENTER 9 MENU 10 CC 11 Directional keys/OK VOL (up/down) CH (up/down) 12 WIDE 13 MTS 14 e (Empowering Technology) 15 VOL (+/-) 16 CH (up/down) 17 PIP/PBP/POP 18 SWAP 19 ACTIVE 20 POSITION 21 SIZE/MODE Press to return to the previous channel. Press to confirm channel number selection. Press to open or close the Menu. Press to select close caption and text service between CC1, CC2, CC3, CC4, Text1, Text2, Twxt3, Text4. N/A Press to toggle scaling mode between 4:3, 16:9, Panorama and Letterbox 1, 2, 3 modes. Press to switch the sound system between stereo, main and SAP. Information is displayed on the top right-hand corner. Press to activate Acer Empowering Technology. Press to increase or decrease the volume. Press to sequentially select the TV channel. Switch between PIP/PBP/POP modes. For PIP/PBP mode: Toggle between the primary and sub-screens. Toggle between primary and sub-screens. When in PIP mode: Change sub-screen position. When in PIP mode: Change sub-screen size. When in POP mode: Switch POP mode from 1+5 to 1+12. 10 Chapter 1