TBS6909 is too slow to get signal

can you please recommand me the best configuration and driver that i should , actually the when i run more that 3 Tuner of the TBS6909 , the signal become too slow to get , i should wait about 2 or 3 minutes to get the signal .
is there any configuration or patch that i should use
i am using astra cesbo .
is there any configuration or patch that i should use
i am using astra cesbo .