jsg Is there another way to do this other than close the app and restart it?
Jerry,
Relaunching the app may or may not erase the previous guide calibration, depending on the "Auto Restore Calibration" switch in the Guide Settings window.
If that switch is turned on, ASIAIR will reuse the previous guide settings when you relaunch the app. Otherwise, ASIAIR will clear the previous calibration for you.
Chen