Building on the strength of the ClearPad 3200, the ClearPad 3400 features a redesigned Analog Front End (AFE), an integrated charge pump, and advanced filtering algorithms for industry-leading Signal-to-Noise (SNR) and Signal-to-Interference performance.
We know that the clock mechanism soon broke down, and it was up to the eunuchs to pump water manually every time the emperor was passing in front of the statues.