DIP Switches

If you try to enter the self-test, but nothing appears on the screen, use the DIP switch tests. The information from these diagnostic tests will help you find the problem so you get your simulator working again.

Before you begin with these following tests, be sure that the problem is in the simulator hardware, not in the video display. If you have a completely dark screen, check the following:

• Do you have power to the video display?

• Are the video display's filaments lit?

• Do you have high voltage to the video display?

If the answer to any of these is no, then you have a problem in the video display. Check the video display service manual included with your simulator for the suggested procedure.

Table 2-7 LED Status

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