Hi Ajay,
Welcome to the forum and thank you for becoming a member. I’m sure you'll learn a great deal about your PSR-S550 keyboard here on the forum and will experience many pleasurable hours playing it. I see Drake has already helped you.
You’ll want to be sure to visit the Home page and check out some of the tutorials you will find links to there. This link will take you to the Home page of the website:
http://psrtutorial.com/Should you later decide to become a supporting member, which will include lifetime membership, other forum boards will become available to you, as well as a wealth of additional musical knowledge; however, there is absolutely no obligation to do so. You may also use the following link to discover the full benefit of becoming a Supporting Member of the PSR Tutorial.
http://www.psrtutorial.com/forum/index.php/topic,15536.0.htmlYou’ll also gain access to an Excel Song Index database, made available to supporting members by our good friend Peter (XeeniX), which presently contains 52,000 plus song titles in over 1,000 indexed books. This index is updated often.
In lieu of making a donation only, you may also order any of the websites resources, which can be found at the following link:
http://psrtutorial.com/cdrom/productsum.htmlJoe Waters updated “Supporting the PSR Tutorial”, on August 27, 2017, which can be found here:
https://psrtutorial.com/cdrom/index.htmlFinally, if you would like to be included in our PSR Tutorial Member Map that will allow you to place your Pin on the map, which will disclose your location to other forum members, you’ll find information at the following link:
https://www.psrtutorial.com/forum/index.php/topic,41022.msg321765/topicseen.html#msg321765We’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.