S64/S68 "hard factory default" reset procedure
Apply to: S64e and S68e
Reset button
The S-64 E has a reset button which can be pressed by inserting a straightened paper clip into the hole to the left of the DATA socket.
Warning: Keeping the reset button depressed for 3 seconds or longer erases the upgrade firmware (if present) in the upgrade image area.
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To reset the unit and return the user settings to factory default
        Press the reset button and release it within 1 second.
        The DC LED turns off for a short time.
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To reset the unit, return the user settings to factory default and return to the original factory version of the firmware
Press the reset button and keep it depressed. After 3 seconds the DC LED turns off.
Release the button once the DC LED has turned off.
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