| 摘要 |
A METHOD AND APPARATUS FOR COMPENSATING FOR FREQUENCY DRIFT IN AN LNB BY STORING THE STORING THE FREQUENCY OFFSET OF EACH LNB WITH RESPECT TO EACH CHANNEL. WHEN A CHANNEL IS SELECTED, A PARTICULAR LNB IS ACTIVATED AND THE TABLE OF OFFSET VALUES IS CONSULTED. THE OFFSET VALUEFOR THE LNB AND CHANNEL IS USED TO TUNE THE LNB TO A FREQUENCY THAI IS APPROPRIATE FOR RECEIVING THE SELECTED CHANNEL.FIGURE 5
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