User`s manual
Run the control program 
In Windows environment: double click to icon PG4UW. 
After start, control program PG4UW automatically scan all 
existing ports and search for the connected any B+K 
Precision’s programmer. Program PG4UW is common for 
these B+K Precision’s programmers, hence program try to find 
all supported (865, 866, 864, 844USB, 844A, 848, 848A and 
849) programmers. 
Notes:  When the PG4UW program is started, program is 
checked for its integrity. Than the program display a standard 
user menu and waits for your instructions. 
If the control program cannot communicate with the 
programmer, an error message appears on the screen, 
including error code and description of possible reasons 
(disconnected programmer, bad connection, power supply 
failure, incompatible printer port, ...). Eliminate the error source 
and press any key. If error condition still exist, the program 
resumes its operation in the demo mode and access to the 
programmer is not possible. If you cannot find the cause of the 
error, follow the instructions in Troubleshooting section. In 
addition, the control program checks communication with 
programmer prior to any operation with the programmed 
device. 
Description of the user screen 
Windows program PG4UW 
Header bar        the name, copyright statement and 
version of the PG4U/PG4UW the 
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