Reset S-64 E v2, TPU, TPUv2 and BC840v2
This article applies to all products that are based on the so called Glendale hardware platform. See below picture.
Reset button is located on position marked with "J".
Reset button must be pushed while unit is powered and fully started. There are 2 modes for reset:
Push button for 1 to 3 seconds and all user settings will be reset to factory defaults.
Push button for about 10 seconds and firmware version will be reset to factory version and all user settings will be reset to factory defaults. Also LED (position "E") will turn red.