SCAN
you can use the external 12V battery to power on the unit .
The external 12V battery will also charge the internal battery while in use.
located on unit back panel.
RECORDING AND REPEAT FUNCTION
The first key is Record/Play.the second key is Repeat function.
When you insert USB or SD card. insert the microphone.
press Record/Play more than 3 seconds.you can record what you say.
Press Record/Play one time.you can play the recorded files.
If you don't want keep the recorded files.press REPEAT key more than
3 seconds.will delete the recorded files.
