The signals are individual LED's that glow in sync.

Date: 2008-08-16
Owner: Gowri Sankar R
Size:
Full size: 1024x685
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Photo Properties
Summary  Details
Make NIKON CORPORATION Model NIKON D40X
Aperture Value f/5.6 Color Space Uncalibrated
Exposure Program Unknown: 0 Flash No Flash
ISO 1600 Metering Mode Multi-Segment
Shutter Speed Value 1/30 sec Digital Zoom Ratio 1
Date/Time 2008 Aug 16 14:59:09 +0100
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