# Calibration
HOWTO calibrate an Alfaspid RAS with a
Green Heron Engineering RT-21 Az/El.

See also documentation from Green Heron:
"RT-21 Az-El Controller: Manual addendum to RT-21 -- August, 2021"


This assumes all cabling is set up and complete.
See documentation about wireharnesses in main Mighty docs.

# Procedure

* Plug in everything.

* Power on.

* Go to SETUP/CALIBRATE.

* Turn panel knob until actual value matches "NEW VALUE".