The DP800 can load Timer files that are created externally, these timer files need to be saved as CSV files and can be created using Excel. Below shows an example of a timer file. Note that the file cannot exceed 2048 steps.
| Step | Time(s) | Volt(V) | Curr(A) |
| 1 | 1 | 3.3 | 0.01 |
| 2 | 600 | 6.3 | 0.1 |