Thank you all for using GH-561 and we feel sorry to give you updated so late since we almost occupied in ODM projects.
Now we are working on new firmware and mostly finished. The improvement items are:
1. Improve reliability of digital compass as GPS compass as based.
2. Add two custom screen which shows:
Page1: SPEED, MAX SPEED, AVG SPEED, TIMER
Page2: DISTANCE, ALTITUDE, DIRECTION and REST DIST/ TIME
We will release soon and please keep loving our products.