BenQ MH680 User Manual page 60

Supported timing for Video and S-Video inputs
Video mode
NTSC*
PAL
SECAM
PAL-M
PAL-N
PAL-60
NTSC4.43
*Supported timing for 3D signal in Frame Sequential format.
60 Specifications
Horizontal
Frequency (kHz)
15.73
15.63
15.63
15.73
15.63
15.73
15.73
Vertical Frequency
(Hz)
60
50
50
60
50
60
60
Color sub-carrier
Frequency (MHz)
3.58
4.43
4.25 or 4.41
3.58
3.58
4.43
4.43