[Balance inquiry method]
1. Click the 'Register Card' button on the first screen to register your card.
2. When registering the card, an authentication number is sent via SMS, and the card registration is completed by entering the received authentication number.
3. After that, you can check the balance on the authenticated smartphone.
[Method of Merchant]
1. On the first screen, click the 'Check Merchant' button to move to the Merchant Search screen.
2. From the affiliated store inquiry screen, the user can move/enlarge/reduce the map to the map coordinate range based on the district office of jurisdiction to check the location of the affiliated store.