The G-Wiz MC Recording Altimeter is shown here. The RS-232 connector is visible in the upper left, the new beeper in the lower left.
All power is supplied via the header, shown in the lower center. There are two LEDs - a green status LED on the right of the header, and a red armed LED above the header. Specifications
Below are some sample screens from the FlightView software, available free as a download, or $5 for a CD. Continuously updated, runs on PCs, Macs, and Linux machines.
Others possible, contact us for info. Click on image for larger picture.