| Variables | Current 1 | The first level of the rectangular waveform. |
| Current 2 | The second level of the rectangular waveform. | |
| Description | Applies a rectangular current waveform to the focus actuator at approximately 3 Hz. The variables set the first and second levels of the rectangular waveform respectively. | |
| If no parameters are used the default currents are: | ||
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| Press any key to stop the burn in. | ||