Canon Refreshes PowerShot A Series Cameras: Larger Screens, More MegaPixels. canon refreshes powershot a series cameras. Craig Ellison finds Canon's A630/640 to be a nice refresh of the A620, but with a not-so-nice ISO 800 mode.. At a Glance Product...

• -Conclusion
• -Hands On
• -Modes
• -Controls And Display

screen, each horizontal line of pixels refreshes every time the screen refreshes. With an interlaced set, only half of the lines refresh at once. On the first screen refresh, every odd line (first, third, fifth, etc.) refreshes, followed by the even lines on...

set to show a good representation of a 1080i quality. What 1080p adds is the ability to refresh the pixels at twice the speed of a 1080i set. A 1080i (interlaced) set refreshes every other pixel across the screen, back and forth, in the span of 1/30 of a second,...

instead of having to go futzing with the Registry! Figures 5 and 6 show the Site Monitor application. The Search feature (Figure 5) refreshes every 7 seconds or so, displaying the information shown (plus WEP status). You can show the RSSI (Received Signal Strength...