NF4x DIP Switch Settings August 3, 2021 November 25, 2022 You change the idChamp® NF4x DIP switch settings for some modes and configurations. DIP Switch Settings For BLE Battery & Kiosk Modes idChamp® NF4x Wireless RFID-NFC Smart Card Reader/Writer DIP Switch Settings for ‘button power on’ (Battery) mode. Use idChamp® NF4x Wireless RFID-NFC Smart Card Reader/Writer in ‘kiosk’ (cabled power) mode, set DIP switch S3-3 in ON position. Note: This can also be done on the battery unit, then the NF4x will stay on as long as it has external power or battery power.