NavCom Sapphire Rev.J - Manual (Page 114)

Sapphire Technical Reference Manual Rev. J
114

USBMODE] command in this manual.
Examples: [FSCWD]
Returns the current working directory
[FSCWD]A:datalog

Once USB mode is changed to Mass Storage Device mode, the onboard file
system commands cannot access the SD flash. The following message is output:
[FSCWD]"ACCESS DENIED: USB IS IN MASS STORAGE MODE".

When changing the USB from Mass Storage Device mode to other modes, please
allow approximately 1 minute for the SD flash to be reconfigured and the onboard
file system to be reinitialized before implementing the onboard file system
commands.