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Buttons Are Not Working
| Symptoms | Probable Causes | Suggested Corrections |
|---|---|---|
| The unit displaying large characters on the screen. | Buttons are disabled while displaying the large real-time characters. If you are downloading the data, the buttons are disabled during download and will not function until the download is complete. The unit may need to be reset. Unplug the AC adapter and the 9 volt battery, wait a few moments, then repower." | Row 1, Content 2 |
| Graph has reached the end of the screen. | When a new pixel is drawn, the unit will blank the screen and redraw the graph shifted to the left by one pixel. | This takes a few seconds to complete and the buttons are disabled momentarily. |
| Buttons are disabled. | If you are downloading the data, the buttons are disabled during download and will not function until the download is complete. | Allow the download the complete. |
| Buttons are disabled. | The unit may need to be reset. | Unplug the AC adapter and the 9 volt battery, wait a few moments, then re-power. |
| Row 3, Content 1 | Row 3, Content 1 | Row 3, Content 1 |
| Row 3, Content 1 | Row 3, Content 2 | Row 3, Content 2 |