Acer F51 User Manual page 16

If " Non Preset Mode " appears on the OSD, it means you set an
unacceptable timing. Please refer to the table of supported timings as
follows.
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Resolution H. Frequency
(Khz)
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Input display data
V. Frequency
(Hz)


















 
 
3-8 Adjusting the Monitor
Dot Clock Remark
Frequency
(MHz)
 '26
 9(6$
 '26
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Multi-scan
operation
Actual display
resolution
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