ViewSonic VS12197-1G Remote control button function as follow

ViewSonic N1930w
9
ENGLISH
Remote control button function as follow
1 INPUT Select input source
2 ENTER Enter the function setting
3TV Swap between TV. Swap to TV when in other source
4VOL+ and VOL- Adjust volume up or down
50~9 number button Switch channel number keys
6POWER Power ON/OFF
7 UP/ DOWN /LEFT/ RIGHT UP/ DOWN/ LEFT/ RIGHT: Select or adjust the function of
OSD
8MENU On Screen Display (OSD) menu ON/OFF
9PROGRAM UP/ DOWN Select up or down programs
10 MUTE Volume mute ON/OFF
11 INFO Display current information
12 SLEEP TV Sleep timer setup
13 RETURN Return to previous channel
14 MPX Switch the sound mode in NICAM-Stereo or NICAM-Dual.
(only available for Hong Kong area)