Service SetupTesting the KeypadUse the Keyboard Test to determine if the keypad is working properly.1. Open the Diagnostic Tests window as described in “System Diagnostics” onpage 46.2. Select Keyboard Test.The following window opens.3. Press each key on the keypad and verify that two asterisks (**) appear in thecorresponding representation of that key on the screen.A key passes the test if an asterisk appears on the screen when thecorresponding key is pressed.4. To test for sticky keys, continue to press keys that already have an asterisk onthe screen and verify that the screen representation of the key is highlightedwith 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 failed:a. Replace the keypad assembly as described in “Replacing the Keyboard”on page 115.b. Run the test again.• If the keyboard test still fails, replace the PWA as described in “Replacingthe PWA” on page 124.50 MAC™ 2000 ECG Analysis System 2053535-003C
