ViewSonic VX2739wm-1 Service Manual page 11

2.5 Electrical Requirement
Horizontal / Vertical Frequency
Horizontal Frequency
Vertical Refresh Rate
Maximum Pixel Clock
Sync Polarity
Support Timing Table
Item
640 x 350
1.
640 x 400
2.
640 x 400
3.
ViewSonic Corporation
Timing
@ 70 Hz, 31.5 KHz v
@ 60 Hz, 31.5 KHz v
@ 70 Hz, 31.5 KHz v
24 – 83 KHZ
50 – 76 HZ
Analog : 210 MHz
Digital : 180 MHz
Independent of sync polarity.
Analog
v v v
v v v
v v v
CONFIDENTIAL – DO NOT COPY
11
Remark
DMT.
For Separated、 SOG and
Composite sync, switch
640x350@70,640x400@70,
and720x400@70 by [1]+[2]
short cut key ( primary =
720x400@70)
DMT
For Separate, Composite
and SOG sync, switch
640x400@60Hz and
640x480@60Hz by [1]+[2]
short cut key (primary =
640x480@60Hz)
DMT
For Separated、 SOG and
Composite sync, switch
640x350@70,640x400@70,
and720x400@70 by [1]+[2]
short cut key ( primary =
720x400@70)
VX2739wm-1
VX2739wm-CN