How to change chinese to english language settings for Nideka X639?
Follow these steps: 1. Press "Menu" 2. Press "1,2,3" button. 3. Scroll down and select "English". 4. Press "Ok"
Does not work for standalone X639 model. For standalone it is: 1. Press "Menu" 2. Press 4, 1, 3 in sequence 3. Scroll down and select "English" 4. Press "Ok" 5. And when asked to save changes press "Ok"