... machine as before, but if the two parameters is set when the first three modes can not be stressed, ... back is the same 5, the volume can be set from 0-100 6, the sound frequency is the same ... in and around the 11, the backlight time can be set to save power 12, language, English operation 13, the ... four cells of the battery power display 14, have set the right button to press after the return to ...