©2005-2009 The Derby Magic Company 2785 Walnut Lake Rd. West Bloomfield, MI 48323 248-432-2754
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The Derby Magic Company
Manufacturers of the best Pinewood Derby Tracks available
The Derby Magic test track timer uses 3 ‘AAA’ batteries for power. The batteries are installed on the
battery holder on the back of the timer assembly. There is an ON/OFF switch located on the top of the
timer and a green status LED. The function of the status LED is as follows:
- When the timer is turned on and/or the start gate is in the down position, the status LED will flash.
- When the start gate is up and the timer is ready to race, the LED will be off.
- When the run is being timed, the LED will be on.
- When the run is over, the LED will be flashing and the run time will be sent to the computer via the
RS-232 serial cable or USB to serial converter cable.