The default picking setting is the 'Input' option. If you wish to change the picking method kindly follow below steps:
Step 1: Login to Wareo with Warehouse Admin or Seller Admin Role
Step 2: Once you’ve successfully logged in, you will land on to Order Tracker page.
Step 3: Navigate to Configurations> Customers> All 
Step 4: Click on Company Configuration which is the third gear icon action button under the action column.
Step5: In Picking Method select the required method, 'Input' or 'Scan' and update the settings by clicking the Save button.
We hope the details above were helpful for you. Please feel free to share with us if require further assistance and will be happy to take it up.