Switch on the voice recorder, press and hold the REC button, it starts to record
Press and hold REC button again, it will save the recordings
The recordings will be saved, and recordings name will be like:
20170622023323.wav
So we suggest you set the correct system time of the voice recorder, so each of your
file will be named with a year date information.
The file name like this format:
YYYY-MM-DD + seconds + millisecond + file format (.wav / .mp3)