4th Axis (A-Axis)¶
Pro Feature
4th Axis support is available in ncSender Pro only.
Full 4th axis (A-axis) control with 3D visualization for rotary and indexing operations.

Features¶
- DRO display — A-axis coordinate shown alongside X, Y, Z
- Jog control — A+/A- buttons with configurable step sizes
- 3D visualization — Rotary axis rendering in the visualizer
- G-code support — Full support for A-axis commands in loaded programs
Jog Behavior¶
- A-axis jogs at 25% of the XY feed rate by default
- Step sizes are in degrees
- Long-press for continuous rotation
- Double-click the A-axis DRO card to enter a specific angle