Thank you for your help! :) R1000 SoundBridge Radio firmware 3.0.44 results_____kind_of_card________size___class_____mfg works_____SD card_____________1GB___class-4___Hagiwara sys-com no works__microSDHC+SD adaptor_4GB___class-6___Transcend Japanese titles of the mp3 files were shown on the display....

With SoundBridgeRaiod, any limitation of SD memory?
memory size?
format?

I try to use 4GB microSD(class 6 SDHC) with SD adaptor, but the system does not recognize it.