User's Manual

ACR350 Validator with QR Code Scanner – User Manual [e-mail]
Version 1.02 www.acs.com.hk
Page 42 of 61
3.2.1.3. DESfire CHECK BALANCE
This function allows you to check the current balance of your contactless card.
Figure 20: DESfire CHECK BALANCE
1. Select “Contactless”.
2. Select “DESfire CHECK
BALANCE”.
3. The app waits for the card
to be presented.
4. Present the card on the
tapping area.
5. a. Once completed, a
“SUCCESS” message will be
shown together with card’s
current balance
5. b. Otherwise, an “ERROR”
message will be displayed.