it can not be configured to work on cursor (left right button) as usually?

my question is how to switch to another page when I open chanel list. Usaully, wnen i press OK channel list is open. When I press right button it should go to another page but i doesnt go. i can only go with up and down. i hope that you understand me.

Hello. I have question about this image. I can not switch pages and channels in channel list with cursor (left, right). I can only go up and down and it take a while when I want to go to another page. Is there a way to fix this? Thanks in advance.