Olympus E-20N - Manual (Page 82)

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Using the PS (Progressive Scan) Mode
In the PS (Progressive Scan) mode, the camera operates with the electronic shutter. The
electronic shutter speed can be adjusted as follows:
•
P and A modes: up to 1/4000 sec.
• S and M modes: up to 1/4000 sec. and 1/18000 sec.
This mode can be used when a very fast shutter speed is required without an ND filter
with the aperture wide open. However, compared to the normal shooting mode [IS mode
(Interlace Scan mode)], vertical resolution is reduced to half (maximum 2.5 megapixels).
Therefore, jaggies and noise may appear when printing larger sizes.
The following are suitable use of the images shot in the PS mode:
• Newspaper
• On-line
• Smaller size photograph
When an especially high shutter speed is not required, select the IS (Interlace Scan)
mode.
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Press the menu button .
The menu is displayed on the monitor.
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