remote doesn't work for all numbers - DirecTV DVR

#1
For DirecTV TV services which include DVRs and receivers, remote doesn't work for all numbers I have 2 remotes. One has trouble when inputting numbers such as 0 and 9. The box doesn't seem to recognize the input. The other remote works fine. This problem occurs no matter which control box I am using. The other works fine on both boxes.
 
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