Refresh Rate of the Dashboard

I have created a dashboard and embedded in a Product. The datasets are created using S3 data source ( CSV files are placed in S3 ).

One think I noticed on the dashboard. If I do not change any selection criteria on the dashboard,
it still refreshed on me every so many seconds, flashing screen out and in. Is this standard behavior or can we change refresh rate
as it is distracting when looking and analyzing data, when the whole screen flashes and the whole page refreshes.
Also when it refreshes it reverts to default filters which is really not desired.
So either we need to decrease refresh rate, all get rid of refresh altogether.
There has to be a way to hold refresh, otherwise this is very distracting when someone
wants to spend some time analyzing data on the page per filters they selected.