Pro-Form XT 70 User Manual download pdf (Page 52)

GPX Pro Manual47

Make sure you choose a potentiometer that has

more travel

than can occur when it is mounted.

Otherwise, the vehicle may compress or extend it beyond its physical limits and will probably

destroy it.

There is an optional calibration setting, called sag, which you may calibrate if you wish. This

calibration point represents the "at rest" (neutral) position of the slider. This is always done after

it is mounted on the vehicle, and should be calibrated with the rider/driver in position in the

vehicle. When the sag is calibrated, GPStudio can indicate when the suspension travel is

compressed or expanded, and how much, relative to this neutral position.

1.8.3.9 Switch Input

A switch input may be connected to any of the analog channels. It is an input which only can be

"on" or "off".

You can specify what text you want displayed:

In addition, you can specify the

polarity

of the text:

Normal polarity means the first text item is displayed for a

low

voltage, and the second item

for a

high

voltage.

Reverse polarity means the first text item is displayed for a

high

voltage, and the second item

for a

low

voltage.

To calibrate a switch input, you are prompted first to go to the "off" position, then the "on"

position. At each position, press Select to calibrate to that voltage. A switch that is properly

connected to the GPX should show a significantly different voltage in the "off" and "on" positions.

A switch input can have an alarm associated with it. See the section on Alarms.

1.8.4 Generic Types of Inputs

If you select Custom as the type of DAQ input, you have a choice from the following menu:

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Pro-Form XT 70 User Manual Page 52