Acer AT4220A Service Manual 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
10
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.
Chapter 1