Acer AT4220A Service Manual page 20

11 Directional keys/OK
VOL (up/down)
CH (up/down)
12 WIDE
13 MPX
14 VOL (+/-)
15 CH (up/down)
Teletext
# Item
1 Color buttons (R/G/Y/B)
2 INDEX
3 SIZE
4 SUBTITLE
5 SUBPAGE
6 HOLD
7 REVEAL
14
N/A
Press to toggle scaling mode between 4:3, 16:9, Panorama and
Letterbox 1, 2, 3 modes.
Press to select the sound input, displayed in the top right-hand
corner (mono, stereo, bilingual).
Press to increase or decrease the volume.
Press to sequentially select the TV channel.
2
3 4
Operates corresponding button on the teletext page.
Press to go to the index page.
Press once to zoom teletext page to 2X. Press again to resume.
Press to view subtitles on the screen.
Press to access the teletext's sub-pages directly.
Press to pause the current teletext page in multi-page viewing
mode.
Press to reveal hidden teletext information.
1
7
5 6
Description
Chapter 1