| Process procedure |
| 1. |
Press the execution key. |
| 2. |
Input the time interval. |
| 3. |
Read the image data and store the brightness data. |
| 4. |
Repeat the measurement the appropriate number of times. |
| 5. |
Display the graph of the brightness data. |
| 6. |
Input the file name in which to store the brightness data. |
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