[Balance inquiry method]

1. Click the 'Register Card' button on the first screen to register your card.

2. When registering a card, an authentication number is sent via SMS. Enter the received authentication number to complete card registration.

3. After that, you can check your balance on the authenticated smartphone.

[Merchant method]

1. Click the 'Affiliate Search' button on the first screen to move to the Merchant Search screen.

2. On the Merchant Inquiry screen, the user can move/enlarge/reduce the map to check the location of the desired merchant.