Diagnostics; Clear Buffers - Omega RD8800 User Manual

Chapter 4 Operation

4.2.4.4 Diagnostics

The Diagnostics menu option allows the user to perform diagnostics checks on parts of the Recorder and
media. This menu option is for use by qualified service technicians only. If additional diagnostics
are needed, please contact the factory.
To perform diagnostics:
From the Hidden menu use the UP (↑ ↑ ↑ ↑ ↑ ) or DOWN (↓ ↓ ↓ ↓ ↓ ) button to highlight Diagnostics and then press the
ENTER button. Use the UP (↑ ↑ ↑ ↑ ↑ ) or DOWN (↓ ↓ ↓ ↓ ↓ ) button to highlight one of the following: Ram Test, Ram Test
Full, Rom Test, Keyboard Test and Display Test and press the ENTER button.
4.2.4.4.1 Ram Test
This test verifies the integrity of the most oftenly used Random Access Memory or working storage
based on a predetermined pattern. Follow the on-screen instructions to run the test. This test is also
done when the Recorder is powered on.
4.2.4.4.2 Ram Test Full
This test verifies the integrity of the complete Random Access Memory or working storage based on a
predetermined pattern. Follow the on-screen instructions to run the test. NOTE: This is a destructive
test. Save your configuration to disk/card before running this test.
4.2.4.4.3 Rom Test
This test verifies the integrity on the system software by computing a 32-bit cyclic redundancy code
(CRC) and comparing this code with a code stored in EPROM. A window showing "Test Passed" will
be displayed when the test has passed. Press the OK? button.
4.2.4.4.4 Serial Test
This test verifies the RS232 port is working properly. NOTE: A loop back test connector is needed
to perform this test. Follow the on-screen instructions to run the test.
4.2.4.4.5 Keyboard Test
This test verifies that all touchscreen keys are working properly. The left half of the screen will display
15 buttons with "?" on them. Press each button to make them disappear. Once the left side buttons
are cleared away, 15 more buttons will appear on the right side of the display. A window showing "Test
Passed" will be displayed when all of the buttons are cleared. Press the OK? button.
4.2.4.4.6 Display Test
This test verifies that all the pixels on the display are working. Continue to touch the display anywhere
to go through a block pattern which will turn on all pixels.
When all diagnostics have been performed, press the EXIT button to return to the Hidden menu.

4.2.4.5 Clear buffers

The Clear buffers option allows the user to erase the Alarms and File data.
To Clear the buffers:
From the Hidden menu use the UP (↑ ↑ ↑ ↑ ↑ ) or DOWN (↓ ↓ ↓ ↓ ↓ ) button to highlight Clear buffers and then press the
ENTER button. Once the buffers are erased, data will begin collecting for future browsing.
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