GE Medical Systems MAC 1200, Operator'S Manual, Page: 37 / 180

Revision B MAC 1200 3-5
2012250-022
Operating and Performance Tests: Performance Check
Performance Check
Press the power button to switch the device on.
Power Button
The amber indicator will illuminate.
After power-up, the electrocardiograph runs an automatic self-test. The
display indicates the memories currently being tested. The self-test takes
about 15 to 20 seconds. When no problem is detected, the device defaults
to the 12 Lead mode. If a malfunction is identified, the display will show
an error message Error... In this situation, notify service to check and
repair the device.
The self-test can be skipped with the button. In this case, the device
immediately activates the default mode confugured in the Setup menu.
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The backlighting of the display switches off automatically when no
key is activated for 20 minutes (adjustable). The illumination is
turned on again by activation of any key.
Run the full self-test at least once a day to ensure that the device is
functioning properly.
Press and hold the power button for several seconds to turn the
device off.
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