Reading Off Input And Output Signals

This function can be used to continuously read off the values and status of the control module's input and output signals.

The following parameters can be read off:

• GPS Received position, longitude.  Indicates the received longitudinal position.
• GPS Received position, latitude.  Indicates the received latitudinal position.
• GPS satellites accessible.  Indicates the status of how many satellites the global positioning system module (GPS) is in contact with.

The following status responses may be obtained when reading the available GPS satellites:

• Not available - no contact with satellites
• No fix - contact with satellites but unable to fix a position
• 2D Fix- contact with a satellite, two-dimensional position fixing
• 3D Fix- contact with a satellite, three-dimensional position fixing.