Pyle PVR300 Instruction Manual - Page 5

Basic operation It will never affect files stored in the unit to recharge the built-in Polymer battery(4 hours), If you shut down the unit with normal operation, it will keep the date and time by last setting. Press down and push the USB plug switch to open the USB plug. Connect this unit to the USB interface for battery charging or computer connection. (refer to Page 10) BATTERY INDICATORS: * The battery are fresh. * The battery are exhausted, and need to be charging. Inserting and removing the Card This unit is with built-in 4GB flash memory, and you may add a Micro SD card for extending memory. (128MB~8GB Micro SD card) Insert the Micro SD card into the slot till it ticks, then you may select this Micro SD card as the storage medium of recording files. (refer to page 8) To turn on/off the unit Push the Power key up to open the unit, it will turn to Voice mode. Push the Power key down to power off this unit̹then the LCD goes out, and the unit is turned off. * You may press and hold PLAY/PAUSE key more than 3secs. to turn it on/off while the Power key is at up position.