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9.7.2 Rotate to zero

If the Video Watermark was rotated, the Rotate to zero menu will be enabled.

Choosing this menu will rotate the Video Watermark to zero degree.

9.8 Gray Calibration•••

This function can make specified area image brightness a desired value among

various scenarios, achieving the continuity requirement of the observation. The Gray

Calibration steps are summarized as follows:

1. Click Exposure & Gain on the Camera sidebar to extend the Exposure & Gain group,

uncheck Auto Exposure box.

2. Choose Edit>Image Select command or click on the toolbar to select a

reference region, and choose “Setup>Gray Calibration” command. A dialog called

Gray Calibration will be brought up to display the current ROI Average Gray. Now the

brightness of the microscope light source can be adjusted until the Average Gray

closing to the desired value. Click “OK” to finish the calibration and return to the

application area. The desired value here is around is 200.