Hi Luis,
Welcome to the forum and thank you for becoming a member. Thank you very much, also, for becoming a Supporter of our forum. I’m sure you'll learn a lot about your PSR-E443 keyboard here on the forum, and the PSR-SX700 keyboard, when you decide to purchase it and will experience many pleasurable hours playing them.
You’ll want to be sure to visit the Home page and check out some of the tutorials you will find links to there. The following link will take you to the Home page of the website:
https://psrtutorial.com/You’ve also gained access to an Excel Song Index database, made available to supporting members by our good friend Peter (XeeniX), which presently contains more than 101,000 song titles in 2,602 indexed books. This index is updated often.
We’re so glad you've decided to become a member and very happy you've decided to become a part of this great forum family. If you have any questions, then please just ask. Many of our members are always very willing to help you.