Learn how to cancel Clock Tuner subscription on iPhone, Android, Paypal or directly.
Table of Contents:
Reading time: 41 seconds
Alternative method via AppStore:
1. This app is to measure the BPH(Beats per hour) of mechanical watches. ** Recommend to plug a microphone into phone and attach the microphone to the back of your watch. ** Basic version display wave graph and pulse interval histogram. ** Please test the app with your watch before you purchase 'Premium' upgrade.
2. It determines sound amplitude threshold for detecting clock sound.
3. The 'detected frequency' should be red continuously. abs(max detected frequency - min detected frequency) / detected frequency during 1 detection cycle.
4. Red means smaller drift during the measurement interval while grey means that measurement may have an error.
5. If your clock sound is loud you may reduce sensitivity.
6. If you increase the sensitive, you may measure hand watches.
7. But small noise may measurement errors.
8. The size of bars in the upper graph should be almost the same.
9. The app will work as Premium during 30 min.
10. This will allow more environmental noises.
11. The bottom shows amplitude of sound wave recorded from micro phone. ** You may provide sound sample by sending wav or mp3 file to admin@athumbcut.