| Key | Symbol | Operation |
| F1 | Stop | End the program |
| F2 | SumOFF | To turn of the display of the processed data. This allows faster reprocessing |
| F3 | ClrScr | Clear the screen. This is only necessary to erase message lines or clean up the display. |
| F4 | Graph | Shows next available graph on screen depending on the instrument |
| F5 | Bell | Toggle bell on/off |
| F6 | Info | Display all input parameters |
| F7 | Units | Toggles between display of Vaisala humidity or Vaisala frost-point and between metric and american units |
| F8 | GPS/Cobald | Switch to the GPS data display (if a GPS signal is found) and to the Cobald data display (if a Cobald signal is found) |
| F9 | BackGr | During the prelaunch recording a new ozone background can be entered. As default the current ozone channel value (in hex) is offered only if it is a reasonable background. This key can only be used before launch. |
| F9 | GetAlt | Adjust the altitude according to the pressure using a standard atmosphere. This is only useful if a pressure glitch messed up the altitude integration or after restarting the program during flight recording. This key can only be used after launch. |
| F10 | Surface | Enter surface conditions during the pre-launch data recording. |
| F11 | ResPor | Reset serial input port. This can be used to change the settings of the serial port. |
| F12 | Configure | Configure the analysis settings of STRATO. This key is active only in the initial questionnaire and cannot be used once the raw data are processed. |
| ESC | Stop | Stop the program (same as F1) |
Keyboard keys :
| Key | Symbol | Operation |
| f | Flowrate | Allows entering the ozone sonde flow rate during the initial sonde preparation |
| h or ? | Help | Display a simple help screen |
| l | Launch | Force a launch detection if the program had to be restarted during descent |
| n | Next | Same as F4. Switches forward to the next available graph |
| p | Prev | Previous Switches to the previous available graph |
| o | Toggle sonde | Toggle the processing of the primary and secondary ozone sonde in
dual
sonde launches.
This will mess up the data files that are produced. |
| r | ResGraph | Reset the prelaunch graph in case it gets too crowded |
| s | Surface | Enter the surface conditions during the prelaunch sequence |
| w | Wait | Toggle whether or not the program waits at launch detect to view the prelaunch graphs |