TM 1-6625-724-13&P
0006 00
0006 00-9
(a) Test the graphics compatibility by pressing the PRINT key to print the Main Menu screen (The first
screen that appears when normal AVA operation has started).
(b) Test the text mode by pressing the PRINT key in any help, error, or menu selection screen. The
following is an example:
(1) Press the PRINT key to print out the text displayed on the screen at this time.
(2) If the printer fails to print the proper screen, flush the print spooler using the following sequence:
(a) Select the Manager menu by pressing F4 at the main menu.
(b) Select setup option by using the UP/DOWN arrow keys and highlighting the Setup option and
pressing the DO key.
(c) Select the Printer option and press the DO key.
(d) Select the Disable option and press the DO key.
(e) Select the Flush Queue option and press the DO key.
(f) Select the Enable option and press the DO key.
(c) If the screen does not print any characters or prints incorrectly, make corrections to the printer switch
settings as necessary.
(1) If the printer prints random characters, verify that the correct print driver was selected, most likely
the incorrect one was selected.
(2) If the printer prints on one line only and repeatedly overprints the line, select the print driver that
ends in “LF” (e.g. Epson_LF).
(3) If the printer skips a line when printing, select the print driver without “LF”.
NOTE
Most printers will have to be powered off and on
between switch setting changes to accept changes.
4. SELF-TEST PROCEDURE
The AVA has three methods of self-test and calibration. There are no adjustments required to guarantee the system
is calibrated, because all measurements are based on a high accuracy, high stability voltage and frequency
references. The accuracy of these references is constantly compared against secondary voltage and frequency
references to insure measurement accuracy.
a. The first basic type of self-test is performed every time the DAU is powered up. This power-up test takes
approximately two seconds to complete and tests the following areas:
1. DAU to CADU Communications
2. DAU System Memory
3. DAU High Accuracy Voltage Reference
4. DAU High Accuracy Frequency Reference
5. DAU A/D Converter Operation
6. DAU Sample Memory Store
This tests the machine's basic operation and ability to make measurements. If a test fails, a failure specific
error message is returned to the CADU and reported on an error screen.
b. The second type of test is performed at 24-hour intervals and is used for system calibration. This test takes
approximately ten seconds to complete. The results of the calibration are stored in a non-volatile memory
and are used to correct the measured data. At 24 hour intervals, the following tests are performed:
1. DAU to CADU Communications
