GITBOOK-53: No subject

Author: SergeBakharev

firmware/supported-commands/gcodes.md

@@ -25,6 +25,7 @@ description: The below table shows the supported GCodes
 |                                                                        |                                                                                                                                                                                                                                                                               |                         |
 | [G28](https://smoothieware.org/g28)                                    | G28 means goto clearance position on the Carvera                                                                                                                                                                                                                              | G28                     |
 | G29                                                                    | wait for empty queue. investigate more                                                                                                                                                                                                                                        |                         |
+| G30                                                                    | simple Z probe                                                                                                                                                                                                                                                                |                         |
 | G31                                                                    | same as G32, ignore                                                                                                                                                                                                                                                           |                         |
 | G32                                                                    | G32 probes the grid and turns the compensation on, this will remain in effect until reset or M370, X and Y are the start position, A and B are the width and length, I and J are the grid size, H is the height.                                                              | G32 R1 X0 Y0 A10 B10 H2 |
 | [G33](../features/flex-compensation-system.md#record-flex-profile-g33) | Record X-axis Flex Profile                                                                                                                                                                                                                                                    | G33 X303 Y10 I30        |