Revision B 4-17
Troubleshooting: Diagnostic Tests
MAC 5000 resting ECG analysis system
2000657-002
This process only works once, so you should reprogram the
password permanently.
4. Go to the Basic System menu.
5. Select Miscellaneous Setup.
6. Select the System password line and type the new password in
the space.
7. Press the enter key.
8. Select Save Setup from the System Setup menu.
9. Select To system.
System Diagnostics
Main Menu
Use the arrow pad control to highlight a menu item, then press the enter
key to select it. The tests and test menus contain on-line prompts and/
or instructions.
■ Display Tests
■ Speaker Test
■ Keyboard Test
■ Writer Tests
■ Battery Tests
■ Communication Tests
■ Acq. Module Tests
■ Analog I/O Tests
■ Floppy Drive Tests
■ Exit System Diagnostics (reboots the system)
Display Tests
Run the screen display tests to verify that all the screen pixels are
working and that the brightness and contrast samples appear to be
within normal range. There are no screen display adjustments. The
screen display tests are as follows.
Pixel Verification Test
Use the arrow pad control to move the bar across the screen and look for
any missing pixels on the display.
Press the F1 key to turn on all of the pixels simultaneously. Leave the
screen in this test mode over night to remove the “burned-in” look to
the softkeys.
Press the enter key to exit the test.
Grey Scale Test Patterns
The first test pattern (used in manufacturing to verify the screen
intensity) shows two squares, one bright and one dim. Press any key to
activate the next display.
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