A communication semiconductor integrated circuit has an oscillator circuit forming part of a transmission PLL circuit fabricated on a single semiconductor chip together with an oscillator circuit forming part of a reception PLL circuit and an oscillator circuit for an intermediate frequency. Many engine compartments of motor vehicles are small in size, and contain numerous components. Based on the control signal, the hydraulic control system controls an impact velocity of the hammer during a subsequent hammer stroke. The apparatus also includes feedback circuitry for the time-to-voltage converter. Thus, preferably, an operation of moving a print head and an operation of supplying a printing sheet are allowed to temporally overlap each other so that an operation of transporting the printing sheet to a position opposite to the print head is completed substantially simultaneously with completion of a preparing operation for the print head. For example, the lasso select tool may select ink objects that are only 60% or more encompassed by the lasso enclosure.