Integrated Circuits Inc
aPR2060 K2.1
2/3 MAR 20 2014
How to do the recording :
1. For MIC recording :
Slide MIC/LINE IN SW to MIC and Slide REC/PLAY to REC → Press & release TACT
SW( M2-M3 ), hear BEEP sound with LED on to start REC through Microphone. Press &
release TACT SW again or memory full with LED off to finish your recording.
2. For Line In recording :
Slide MIC/LINE IN SW to LINE IN and Slide REC/PLAY to REC, connecting 3.5mm
audio cable to PC, cell phone or MP3 player. then start the recording as the above.
How to do the playback :
Slide REC/PLAY SW to PLAY → Press & Release TACT SW ( M2-M3 ) to play voices with
LED on. After finishing playback, LED will be off.
How to do the volume control ( Default at level 4 ) :
M0 : Press the SW every time would increase the volume one level from level 5 to level 8.
M1 : Press the SW every time would decrease the volume one level from level 3 to level 0.
The sample rate can be adjusted by using the VR on the demo board.
Forward rotation would lower the sample rate and backward rotation would raise the sample
rate. We attach their corresponding table of sample rate & seconds & resistance for
reference.
Sample Rate Seconds Resistance
12KHz 42 sec 47K
11KHz 46 sec 63K
10KHz 51 sec 79K
9KHz 56 sec 100K
8KHz 64 sec 120K
7KHz 73 sec 143K
6KHz 85 sec 173K
