You can manage your Scheduled Listings by going to Listings -> Scheduled page.

To perform any Action on Scheduled Listings, select the target Listings and click on Select Action drop down and click on the action you want to perform.

Following actions can be performed on Scheduled Listings: -

Edit – Edit Selected Listing. You can select only one Listing to perform this Action. The selected Listing will be opened for Editing in the Listing Form.
Once you are done making changes to your Listing, click on Schedule button again to save your changes and schedule again.

Copy Listing – Create a copied Listing from the selected Listing. It will open Listing form by populating data from the selected Listing.

Launch – Unmark the selected Listing as scheduled and immediately Launch the Listing. If the Launch fails, the Listing status reverts back to original scheduled status.

Cancel Scheduled – Cancel scheduling of selected Listings and move them to Pending status.