| 摘要 |
<p>A tuner for receiving a video broadcast signal comprises controllable circuits (6,7,8,17) to select a tuned frequency, a bus interface (21) receiving data bytes and among those data bytes, bytes representing a divider ratio N, and address bytes. Bytes received by the bus interface (21) are processed through a N divider comparator (23) comparing the value of divider ratio N received from the bus interface (21) to values stored in a register (24), the comparator (23) outputting control bytes and data bytes to be sent to the controllable circuit (6,7,8,17) of the tuner to select a band and a tuned frequency. The tuner may be implemented on a chassis of a receiver without modification of an existing software included with a microprocessor of the chassis. The values stored in the register (24) are customised values of the tuner. <IMAGE></p> |
