Revision B MAC™ 5000 resting ECG analysis system 5-9
2024917-010
Troubleshooting: Diagnostic Tests
The second test pattern shows the 32-color text pallette (Various gray
scale patterns appear if the system does not have the color option
enabled.). Check for problems with the overall pattern. (If the system
does not have the color option, various grey scale patterns display.)
Press any key to exit the test.
Speaker Test
Use the arrow pad to select Loud or Soft. Press the Enter key to produce
a loud or soft tone. (The tone level difference is minimal.)
If tone is not audible, the main CPU board may need replacement.
(Speaker is part of CPU board.)
Highlight Return and press the Enter key to return to the System
Diagnostics menu.
Keyboard Test
Press each key and verify that the key is highlighted on the screen and
also displayed at the top of the screen. (It is normal for a dim background
image to remain on the screen when you select the next key.) The
numeric value that displays at the top of the screen is the scan code
representation of the pressed key.
NOTE
The display shows keys in the upper part of the screen that are
only available with the MAC 5000 ST keyboard.
Check both of the Shift keys by pressing each in combination with a
letter to display a capital letter.
Press the center of arrow pad control and verify that the word IN
displays on screen. Press arrows to change the displayed arrow
position. A beep sounds with each arrow press.
Press the Shift key and the F6 key to exit the test.
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