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Operation
Use the __ arrow keys to blink
Use the __ arrow keys again to move the blinking to the
function. The screen will follow the running of the diagnostic.
During preamp testing there is a countdown in the lower right
corner of the screen. When the testing is complete, the results are
displayed.
The module is functioning properly if it is followed by OK. A
number indicates a problem in a specific area of the instrument. Refer to
Chapter 5 Maintenance and Troubleshooting for number-code
information. The results screen alternates for a time with:
Then the analyzer returns to the initial System screen.
4.3.6
Version Screen
Move the __ arrow key to More and press Enter. With
blinking, press Enter. The screen displays the manufacturer, model, and
software version information.
4.3.7 Showing Negative Oxygen Readings
For software version 1.4.4 or later, the instrument only displays
oxygen readings that are positive or zero. The instrument can be
reconfigured to show negative readings if sensor output drifts below
zero. This situation may arise after the instrument has been zeroed. As
time progresses, the sensor may drift below the zero calibration setpoint.
To show negative oxygen readings on the display:
Press the System key
Teledyne Analytical Instruments
TRAK/HLD Auto—Cal
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, then press Enter.
More
Version Self—Test
RUNNING DIAGNOSTIC
Testing Preamp — 83
Power: OK Analog: OK
Preamp: 3
Press Any Key
To Continue...
3000ZA
Self–Test
Version
38
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