User Manual
PT-AA140
5
No.
Name
Function
⑨
RS232
3-pole captive screw connector for serial control, it can be
connected with PC (Use a 3-pole captive to 9 pin female D
connector and serial control software) to control PT-AA140.
⑩
Audio
Output
To connect with audio output devices, such as speakers (To
select 70V or 100V depends on the input voltage of the
speakers). COM is for grounding (GND).