The dashboard conceals an L.C.D. color monitor that slides out gracefully at the touch of a button.
A cable connects the camera to a camera control unit and to the color monitor watched by the doctor.
BébéSounds' Flat Panel LCD Video ($190) is similar, but with a crisper, though less portable, 5.5-inch color monitor.
The reverse sensing system — a color monitor integrated into the mirror — lessened the anxiety of backing into parking spaces.
It has a 4.3-gigabyte hard disk, a CD-ROM drive, a 56K modem, speakers, a 15-inch color monitor and Microsoft software including word processing and spreadsheets.
The camera mounts on the back of the seat post and the three-and-a-half-inch color monitor attaches to the handlebar.
In a color monitor, electron guns in the back fire electrons through a perforated metal sheet, called the shadow mask, and then onto a phosphor coating inside the C.R.T.
Compaq said a system with 128 megabytes of random access memory, a 30-gigabyte hard drive and a 17-inch color monitor, but not a printer, would sell for $2,499.
"When I go out on a demo flight now, I hope for bad weather," he said, pressing buttons on a small color monitor mounted in the dashboard of his single-engine 1966 Piper Comanche.
The 6.1-ounce camera's 5.8x zoom lens, equivalent to a 38-to-220-millimeter zoom on a 35-millimeter still camera, can be augmented by 10x digital zoom, and the rotatable color monitor screen has a mirror mode for self-portraits.
