BenQ SL490 User Manual page 16

12 Parts and Functions
FORMAT button
12
Change Image Zoom Mode Full, 4:3, 1:1,
16:9, 21:9, Custom.
BACK button
13
Return to the previous menu page or exit
from the previous function.
INFO button
14
Show Information OSD.
OPTIONS button
15
No function.
/ VOLUME button
16
Adjust volume.