OpenTracker USB User’s Manual
21
equal to). Clicking on the button showing the comparison operator toggles it
between these two settings.
The
Altitude
and
Speed
values are compared with those indicated by the GPS.
Onboard sensors provide readings for comparison with the
Temperature
and
Voltage
fields.
ADC Input
refers to the extra unused analog-to-digital converter
input on X1 pin 9. The possible values are 0 to 255, corresponding to a range of 0
to 20 volts. The ‘jumper’ setting refers to the state of the CFG input on the
accessory port (CN4 pin 7). The input is ‘Off’ when the CFG pin is pulled to
ground, as through a toggle or pushbutton switch. The
GPS Fix
is considered
invalid if it has been more than 20 seconds since the last valid position was
received from the GPS unit.
The selected tests are run once every second. If the conditions are met, the new
profile is loaded. If
Transmit when switching to this profile
is checked in the new
profile, a packet is transmitted immediately.
If the conditions in both profile panes are met, the tracker will switch between
the two profiles each second and may cause undesired operation.