Testing The Keypad - GE MAC 2000 Service Manual

Ecg analysis system
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Service Setup

Testing the Keypad

Use the Keyboard Test to determine if the keypad is working properly.
1.
Open the Diagnostic Tests window as described in
page
2.
Select Keyboard Test.
The following window opens.
3.
Press each key on the keypad and verify that two asterisks (**) appear in the
corresponding representation of that key on the screen.
A key passes the test if an asterisk appears on the screen when the
corresponding key is pressed.
4.
To test for sticky keys, continue to press keys that already have an asterisk on
the screen and verify that the screen representation of the key is highlighted
with each subsequent key press.
A key passes if the key on the screen highlights with each repeated key press.
5.
When the test is done, press Shift + F6.
The following window opens.
6.
Select pass or fail:
• If every key passes the tests, press Yes.
• If any key fails the tests, press No.
• If the keyboard test still fails, replace the PWA as described in
50
46.
If the keyboard test failed:
a.
Replace the keypad assembly as described in
on page
115.
b.
Run the test again.
the PWA" on page
124.
MAC™ 2000 ECG Analysis System
"System Diagnostics" on
"Replacing the Keyboard"
"Replacing
2053535-003C

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