Keyboard shortcut to move the timeline left and right?

Hi Andrew and Phil, thanks to both. No, I meant when one is in authoring mode, the only way to go left and right is to drag the bar at the bottom of the timeline but in some slides this can be quite long and I was hoping to control it somehow with one dial in the Loupedeck (there are 6 in my Loupedeck Live and in other application they can be mapped to a number of actions, including continuous movements....zooming, rotating, increasing values....). There are buttons, those I could map easily. But I cannot seem to be able to control the bar with a dial, and it would be really useful, instead of click/drag the bar. I find some programmable buttons so useful, so so productive. Anyway....seems like I am not in luck. Thanks to both. A