To indicate certain pocket memo digital dictation recorder (DPM) features as set or activated / deactivated, the DPM will use the folowing signs on the INFO3 screen.
App ... Append mode is enabled
Lock x ... PIN/PUK is set and will be requested after an inactivity period of x minutes
A ... Display the author keyword instead of the file name
M ... Acoustic Feedback is enabled ("Monkey mode")
a ... The DPM will not register itself as an USB audio device when connected to a PC (SDK only)
c ... The DPM will not charge the batteries via USB connection, only via AC-adapter (SDK only)