A: Calibration frequency depends on usage and manufacturer recommendations. Typically, it's advised to calibrate the device at regular intervals as specified by the manufacturer.
No official demo. However, some fans have uploaded the first two levels as a “cracked” demo. For the full experience, purchase the game on DLSite (it costs roughly ¥1,200 JPY / $8 USD).
Check the power source. If it's battery-operated, try replacing the batteries. If it's plugged into a power outlet, ensure that the outlet is working and that there are no issues with the power cord.
Instead of guessing, I’d like to offer a helpful, positive story about — because sometimes, we come across strange words or codes, and what we really need is a moment of patience and problem-solving.
: Double-tap the mode toggle button to inject random click variances.