Epson AP-60 Sound Enhancement System Product Support Bulletin page 2

How to Establish Serial Communication between the AP-60 and the Computer:
a) Download epson13644.exe package which includes the following files:
1. BTLD_Test.exe
2. btldtest.ini
3. DSP_code.hex
b) Remove two Phillip screws from the audio control board then slide out the audio
control board to access the RS-232 connector.
c) Connect one end of the RS-232 cable to the backside of the RS-232 port and the
other end of the cable to the PC. Then restart the PC.
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PSB.2010.01.001