User guide

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Using HeartBeat
The Use HeartBeat option sends a request through the vehicle
bus at a regular interval if there are no other communications. This
is used to determine if a connection is lost. It is selected by default.
Should you run into an issue with a vehicle that loses connection
after a brief period of time, try selecting or deselecting this setting.
When both the serial/COM port and Vehicle Interface Type
have been correctly selected, press OK. If the settings are correct,
the Connection Status window will check each of the connection
steps, the connection will finalize, and the window will disappear.
The Connection Status window will enumerate the settings used to
make the connection and the general data returned from the vehicle.
If the Connection Status window doesn’t disappear, re-check your
connection settings.
Some vehicles (Mercedes for example) will require
the key to be placed in the "OFF" position and then
back into the "ON" position if a disconnect happens
for any reason.