Disconnecting The Usb-Pstn Modem Adaptor From Your Camcorder - Sony UNA-PSTN Operating Instructions Manual

Disconnecting the USB-PSTN modem
adaptor from your camcorder
1
Remove the USB-PSTN modem adaptor's USB connector from
(USB) jack of your camcorder.
2
Remove the telephone cable from the USB-PSTN modem
adaptor.
16-GB