User manual
30 
2. Over voltage may 
damage internal circuitry. 
Contact B&K Precision for 
service information. 
Cannot control AC 
Source by remote 
RS232 interface 
RS232 cable is loose at 
the rear port or wrong 
serial port settings on 
the PC software or 
interface. 
Check connection and 
tighten the screws. Be 
sure to use 9600 
baudrate, no-parity 8 
data bits, 1 stop bit, and 
no flow control as the 
serial settings for 
initializing the serial port. 










