Agilent Technologies 45A, 46A, 54835A manual To check the LEDs, Test by Rows

Chapter 5: Troubleshooting

To check the LEDs

To check the LEDs

Use the following procedure to test the front-panel LED (light-emitting diode) indicators.

1Enable the graphical interface.

2Select Self Test from the Utilities menu.

3Select LED from the Self Test drop-down list box, then click Start Test.

The LED test screen appears, which shows a symbolic representation of all front panel LED indicators. See figure 5-7.

Figure 5-7

LED Test Screen

4Push the Marker A left and right arrow keys to highlight each LED symbol in the test screen. Verify that the corresponding LEDs on the front panel are the only ones illuminated.

Test by Rows

You can use the Marker B arrow keys to test LEDs by row; however, in the event that two LED indicators are shorted together, there is a small chance that the test will not reveal the failure.

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