It will vary on the model or brand. Some sources suggest that the keys on the unit, like the 'FWD' 'REV' etc will allow the cursor to be moved.
But if your dvd player doesn't have buttons on the actual player, you may not be able to control it. You may try a universal remote App like 'AnyMote' (for Apple or Android) so you won't need to look for your plastic ones around the house.
Going crazy always searching for the remote? Never lose your remote again with these 4 new and unique ways to keep track of it shared by Sureuniversal.com.