To send plot files to the plotter, you need a special file containing the instructions for the type of pacing protocol you are using. Instructions for Xon/Xoff Pacing Protocol and Data Transmit Rate (DTR) Pacing Protocol follow:
| For Xon/Xoff Pacing | For DTR Pacing | 
| ESC.R: | ESC.R: | 
| ESC.M2: | ESC.M2: | 
| ESC.N2: | ESC.N2: | 
| ESC.P1: | ESC.P3: | 
Each line must be entered with no spaces, ESC has the ASCII value 27. The . (period) is part of the command.