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-rw-r--r--docs/G-Codes.md16
1 files changed, 9 insertions, 7 deletions
diff --git a/docs/G-Codes.md b/docs/G-Codes.md
index c97e77df..8ca4440c 100644
--- a/docs/G-Codes.md
+++ b/docs/G-Codes.md
@@ -195,10 +195,12 @@ section is enabled:
low-level kinematics in an incorrect state; issue a G28 afterwards
to reset the kinematics. This command is intended for low-level
diagnostics and debugging.
-- `SET_KINEMATIC_POSITION X=<value> Y=<value> Z=<value>`: Force the
- low-level kinematic code to believe the toolhead is at the given
- position. This is a diagnostic and debugging command; use
- SET_GCODE_OFFSET and/or G92 for regular axis transformations.
- Setting an incorrect or invalid position may lead to internal
- software errors. This command may invalidate future boundary checks;
- issue a G28 afterwards to reset the kinematics.
+- `SET_KINEMATIC_POSITION [X=<value>] [Y=<value>] [Z=<value>]`: Force
+ the low-level kinematic code to believe the toolhead is at the given
+ cartesian position. This is a diagnostic and debugging command; use
+ SET_GCODE_OFFSET and/or G92 for regular axis transformations. If an
+ axis is not specified then it will default to the position that the
+ head was last commanded to. Setting an incorrect or invalid position
+ may lead to internal software errors. This command may invalidate
+ future boundary checks; issue a G28 afterwards to reset the
+ kinematics.