TOHATSU Dr. H, User Manual, Page: 72 / 72

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13. Terminology
Term Explanation
COM port Communication number allocated when connecting the communication
unit to a PC.Dr. H and the device manager Com port (Communication
number) must be consistent.
DLC Abbreviation of "Data Link
Connector”. Motor outboards have a red
connector to connect to Dr. H. All other products compatible with Dr. H
have a blue connector.
DLC cable Cable to connect communication unit and products' DLC.
DTC Abbreviation of "Diagnostic Trouble Code"Fault diagnosis code.
In Dr. H, the product DTC code and failure information are shown.
ECU Abbreviation of "Electronic Control Unit".Electronic control unit. Equipment
that calculates electric signals input from each sensor in a microcomputer
and outputs those electric signals to each type of actuator through an
output processing circuit.
Function test Operates each device automatically in order to conduct tests.(Outboard
motor only)
Installation Installing/setting up software in a PC for actual use.
Interface unit A linking component connecting PC and products.
Simple diagnosis Performs simple diagnosis.
Snapshot Mode that saves and then plays back communication data.
Uninstalling Deleting application software installed in a PC and returning the PC to its
previous condition.
USB Abbreviation of "Universal Serial Bus". A regulation for the transmission
route of data connecting PCs to peripheral equipment such as a keyboard,
mouse, modem etc.
USB cable Cable for connecting PC and communication unit.