Using SD Cards32Using SD CardsThe camcorder records clips and photos on commercially available Secure Digital (SD) cards1 . The camcorderhas two SD card slots and you can use two SD cards (in the manual, "SD card A" and "SD card B") to record onboth simultaneously or to automatically switch to the other SD card when the SD card in use is full (A 47).Initialize SD cards (A 34) using the [Complete Initialization] option when you use them with this camcorder forthe first time.1 The SD card is used also to save menu settings files.Compatible SD CardsThe following types of SD cards2 can be used with this camcorder. For the latest information about SD cardstested for use with this camcorder, visit your local Canon Web site.2 As of June 2017, the clip recording function has been tested using SD cards made by Panasonic, Toshiba and SanDisk.3 UHS and SD Speed Class are standards that indicate the minimum guaranteed data transfer rate of SD cards.To record 4K clips with a resolution/bit rate of [3840x2160 (150 Mbps)] (A 46) or using slow & fast motion recording (A 48),we recommend using SD cards rated UHS Speed Class U3.IMPORTANT• About SDXC cards: You can use SDXC cards with this camcorder but SDXC cards are initialized by thecamcorder using the exFAT file system.- When using exFAT-formatted cards with other devices (digital recorders, card readers, etc.), make sure thatthe external device is compatible with exFAT. For more information on compatibility, contact the computer,operating system or card manufacturer.- If you use exFAT-formatted cards with a computer OS that is not exFAT-compatible, you may be promptedto format the card. In such case, cancel the operation to prevent data loss.• After repeatedly recording, deleting and editing clips (if the SD card is fragmented), you may notice slowerwriting speeds to the card and recording may even stop. In such case, save your recordings and initialize thecard with the camcorder using the [Complete Initialization] option. Be sure to initialize SD cards especiallybefore shooting important scenes.NOTES• Proper operation cannot be guaranteed for all SD cards.SD card type: . / 0SD cards SDHC cards SDXC cardsUHS Speed Class 3 :Speed Class U1 Speed Class U3SD Speed Class 3 :
