Agilent Technologies 46A, 45A, 54835A manual To check the keyboard

Chapter 5: Troubleshooting

To check the keyboard

To check the keyboard

Test Procedure

Use this procedure to verify correct keyboard operation.

1Enable the graphical interface.

2Select Self Test from the Utilities menu.

3Select Knob and Key from the Self Test drop down list box, then click Start.

A new window appears with a symbolic representation of the keyboard. See figure 5-6.

Figure 5-6

When you push a key or turn a knob in both directions, the correspondingsymbol on this screen turns green.

Knob and Key Self Test Screen

4Push each key on the keyboard until you have pushed all keys.

When you push a key, the corresponding key symbol on the display should change from red to green.

5Turn each knob in both directions until you have turned all knobs.

When you turn a knob in one direction, the corresponding knob symbol on the display should change from red to yellow. When you then turn the knob in the other direction, the knob symbol should change from yellow to green.

6When you are finished, click Close.

If any knob failed, you should replace the keyboard assembly. If you encounter any key failures, record the location of those failures, then go to the troubleshooting procedure that follows.

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