The laptop memory will have the same information in its RAM when the profiles are uploaded after
the PC software is started. If the car is switched off without saving, the operator may switch the
TCU on and press the Write to TCU button. This will save the copy of the data in the Laptop RAM,
into the TCU FLASH memory. This is also how you can save your profile in another TCU if you
don’t want to save to hard disk first. Remember that each profile is saved separately on the PC
and in the TCU.
6.4.2 Saving a Profile to the PC
The user may also save the Laptop RAM or TCU data to the hard disk so that the profiles maybe
recalled later or if different settings are desired. This is done by pressing the Save Settings
button. Choose the profile in the TCU that you want to save a profile from.
The user has the option of saving the Ram data on the PC or the real-time TCU data. This feature
is useful if you want to change profile data offline. Simply open a profile file, edit it and save it back
to the hard disk. Remember that each profile is saved separately on the PC and in the TCU.
6.4.3 Loading a Profile from the hard disk onto an TCU
First connect to the TCU. Select the profile in the TCU with the profile switch or the buttons, where
you want to load the saved profile into. Then press the Open file button. Press the
button to connect to the TCU. Select Down Load to TCU button and then press the
Write to TCU button. The data will now be written into the TCU flash memory. Note that the
serial number is not written in the process although for this session the serial number is the same
as the profile serial number. Once the software is closed and restarted, the TCU serial number will
be displayed. Also note that if an incorrect version of the profile is loaded, a check box will warn
you of it.
6.4.4 Locking a Profile on the TCU
The tuning profile on the TCU can be locked to prevent other users from copying it or changing
settings on it. This feature is to let Transmission builders install protection settings on the TCU for
guarantee purposes. Note however that you can overwrite the code by loading another profile onto
the TCU. This would however indicate to the agent that tampering took place and may void
warranties.
The Agent has the option of changing the customer code for his reference. He can protect it with a
password and leave the profiles open. It would mean however that the customer cannot lock his
own profiles under the code as they use the same code for protection.
Press the button and enter a password. Select which protection is required. Press Lock, Exit
and then press the Write to TCU button to save it to the Flash memory.
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