Acer AT3720A AT3720A Service Guide - Page 16

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