DS-2CD2385G1-I Record to SD Card and DS-7604NI-K1/4P NVR

Hi All,

Please can someone help me understand whether my SD card is being utilised for recording in parallel to my NVR? I cannot figure this out, the recording to the NVR is definitely working but having installed a 128GB card to the camera I cannot see any options anywhere to check. Any help or advice will be very much appreciated. Thanks Steve