You can turn Click Scan on, off, and on with confirmation - for each individual product. This article illustrates how.
1. Navigate to:
Settings > System Settings >Scan & Pack Settings
2. There you'll see "Click Scanning - Per Product Setting"
3. You can now turn Click Scanning on, off, or on with confirmation - which requires confirmation every time you use Click scan - for all products, or for each product individually.
4. You can search for items, and set the setting how you'd like.
To read more about the Click Scanning feature, you can refer to This Article on Using Click Scan.