~$ xrandr -q
SZ: Pixels Physical Refresh
*0 1280 x 1024 ( 342mm x 271mm ) *60
1 1280 x 960 ( 342mm x 271mm ) 60
2 1152 x 864 ( 342mm x 271mm ) 60
3 1024 x 768 ( 342mm x 271mm ) 60
4 800 x 600 ( 342mm x 271mm ) 60
5 640 x 480 ( 342mm x 271mm ) 60
6 400 x 256 ( 342mm x 271mm ) 60
7 640 x 350 ( 342mm x 271mm ) 60
8 640 x 400 ( 342mm x 271mm ) 60
9 720 x 400 ( 342mm x 271mm ) 60
10 320 x 240 ( 342mm x 271mm ) 60
11 400 x 300 ( 342mm x 271mm ) 60
12 512 x 384 ( 342mm x 271mm ) 60
13 576 x 432 ( 342mm x 271mm ) 60
14 640 x 512 ( 342mm x 271mm ) 60
15 832 x 624 ( 342mm x 271mm ) 60
16 1152 x 768 ( 342mm x 271mm ) 60
17 700 x 525 ( 342mm x 271mm ) 60
Current rotation - normal
Current reflection - none
Rotations possible - normal
Reflections possible - none
~$ xrandr -o right
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 155 (RANDR)
Minor opcode of failed request: 2 (RRSetScreenConfig)
Serial number of failed request: 12
Current serial number in output stream: 12
~$