Hella Gutmann Mega Macs 77, User Manual

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EN
User Information mega macs 77
Non-Liability
3.1.7 Safety Precautions for Testing/Measuring Devices
• Perform measurements only on electric circuits that are not directly connected to the line
voltage.
• Never exceed the maximum permissible voltage load of 200 V peak alternating voltage (AC) or
200 V direct current voltage (DC) respectively.
• Do not exceed the voltage limits indicated on the connecting cables.
• The voltage values to be measured must be shielded extra or even twice from dangerous line
voltage. The voltage limits printed on the test leads must not be exceeded. Pay attention that
the allowed measuring range of 200 V/DC / 200 V peak is not exceeded when measuring
positive and negative voltage at the same time.
• Never perform measurements on ignition systems (secondary side).
• Regularly check the test and measuring devices for damage.
• Always connect the test and measuring devices to the measurement module (MT 77) first.
• Do not touch the connections/measurement points during the measurement.
3.2 Non-Liability
3.2.1 Software
3.2.1.1 Safety-Relevant Software Modifications
The present device software provides numerous diagnostic and configuration functions. Some of these functions affect
the behavior of electronic components. These components also include components in safety-related vehicle systems,
e.g., airbag or brakes. The following notes and instructions also apply to future updates and related software
extensions.
3.2.1.2 Performing Safety-Relevant Software Modifications
• Work on safety-related areas, e.g. the occupant safety system and the brake system, is only allowed to be
performed if the user has read and accepted this note.
• The user of the diagnostic device must comply fully with all work steps and conditions given by the device and the
vehicle manufacturer, and follow the related instructions without fail.
• Diagnostic programs that make safety-related software modifications in the vehicle may and are only allowed to
be used if the related warning notes including the declaration given in the following are accepted without
reservation.
• It is imperative that the diagnostic program is used correctly, as programs, configurations, settings, and indicator
lamps can be deleted/cleared with it. These changes affect and modify safety-related data and electronic controls,
in particular safety systems.
3.2.1.3 Prohibition of Safety-Relevant Software Modifications
Changes or modifications to electronic controls and safety-related systems are not allowed to be made in the
following situations:
• The ECU is damaged and it is not possible to read out the data.
• The ECU and its allocation cannot be read out unambiguously.
• Reading out is not possible due to data loss.
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