User manual

GPX Pro Manual33
© 2012 XT Racing
1.7 Switching Racing Modes
To switch racing modes (for example, you are in Circuit Racing and you want to go to Drag Racing),
from the main screen, press Menu to go into the menu system. Use the arrows to highlight the
last menu item (Device mode and profiles), and press Select. Press Select again on Device mode.
Use the Left and Right arrows until the mode you wish to change to is highlighted, then press
Select. The GPX will restart in the selected mode.
1.8 Data Acquisition (DAQ)
1.8.1 Basic Information
Your GPX is capable of capturing other data in addition to the speed, acceleration data, and GPS
coordinates which determine the lap and split times. Y can capture RPM, gear, suspension, and
other inputs from your racing vehicle.
NOTE: throughout this manual, the words input and channel refer
to one and the same thing.
Cabling and Electrical Information
The GPX Pro 4 has one set of expansion cables, labeled "A". The GPX Pro 8 has two sets of
expansion cables, labeled “A” and “B”. If you use these expansion cables, make sure that you
plug the “A” cable into the “A” connector and the “B” cable into the “B” connector.
NOTE: For each cable you connect to your vehicle, make sure that
the black wire is well fastened to the vehicle’s
“ground” (essentially the negative terminal of the battery). If
direct connection to the battery is not feasible, you may connect it
to the metal chassis as long as a good electrical connection is
made from the black wires to the chassis, and the chassis has a
good electrical connection to the vehicle’s negative battery
terminal.
12V Power
You may connect the GPX to the 12V power (essentially, the positive terminal of the vehicle’s
battery). This is done with the RED WIRE OF CABLE “A”. If you connect to the vehicle’s 12V, then
the GPX will always be powered by your vehicle. (The internal battery will be continuously