While it’s often easier to use your mouse to select buttons and other options, you can also use the following keys to navigate MAS 90 / MAS 200 with your keyboard:
| Key | Function |
| Tab | Moves from option to data option (generally, left to right, and top to bottom). |
| Enter | Moves from option to option or execute the selected command button. |
| Spacebar | Selects or cancels a selection in a list box. Selects or clears a check box. |
| Esc | Closes the current dialog box. |
| F1 | Displays help text for the current field. |
| Shift+F1 | Selects the help button (displays help text for the form). |
| F2 | Displays the lookup window for the current field (the magnifying glass icon). |
| F3 | Displays the navigator search window for the current field (the flashlight icon). |
| F4 | Displays the print dialog |
| Ctrl+F5 | Gets the first record |
| Ctrl+F6 | Gets the previous record |
| Ctrl+F7 | Gets the next record |
| Ctrl+F8 | Gets the last record |
| F9 | Enables the main search button |
| Alt+A | Selects the accept button |
| Alt+C | Selects the cancel button |
| Alt+D | Selects the delete button |
| Alt+P | Selects the print button |
| Alt+O | Selects the OK button for dialog boxes and line entry |
| Alt+U | Will undo line changes |
| Ctrl+Insert | Inserts a line |
| Ctrl+Delete | Deletes the current line |
| Alt+N | Inserts a line |
| Alt+E | Deletes the current line |
| Alt+1,2,3… | Selects the first tab page, second tab page, third tab page, … |
| Alt+B | Selects the batch button |
| Alt+L | Displays the navigator search window for the current field (the flashlight icon). |
| Alt+M | Selects the memo button |
| Alt+Q | Enables the main search button |
| Alt+S | Selects the transactions search button (the binoculars icon). |
| Alt+X | Selects the next number button |
| Alt+Z | Selects the zoom button |
| Home | Moves to the first record in a list box |
| End | Moves to the last record in a list box |
| PgUp | Moves to the previous page in a list box. |
| PgDn | Moves to the next page in a list box |