ViewSonic VS11770-1M Remote control button function as follow

ViewSonic DSM3210
10
ENGLISH
1 POWER Power ON/OFF
2MTS Select Mono, Stereo or SAP sound
3INFO Display current information
4SOUND Select sound modes
5SLEEP Set timer to turn off TV
6FREEZE “Freeze-Frame” the current screen
7ZOOM Adjust window size
80~9, - number button Directly channel select
9VOL+ and VOL- Adjust volume UP/DOWN
10 GUIDE Show electronic program guide (EPG)
11 FAV.A/D To skip or restore Favorite Channels
12 UP/ DOWN/ LEFT/ RIGHT/
ENTER button
UP/ DOWN for OSD function select and LEFT/ RIGHT
for function adjust
ENTER: Enter the function setting
13 INPUT Input source select
14 MUTE Volume mute ON/OFF
15 TV/CATV Swap between TV/CATV
16 PICTURE Select picture modes
17 WIDE Change the image size
18 RETURN Return to previous channel
19 CH▲ and CH▼ Adjust Channel UP/DOWN
20 FAV.CH Select from preset Favorite Channels
21 MENU On Screen Display (OSD) menu ON/OFF
Remote control button function as follow