PSP Series User Manual 
52 
Setting for different command format 
 
UART setting can be used to deter if command 
format to be modified for the PSP with firmware 
V1.66 or above. 
 
Before setting, please make sure that the 
connection between a computer and the PSP is 
normal by entering “L” from terminal (2400/ N8/ 
1 or 9600/ N/ 8/1) and get the response message 
as shown in the diagram below. 
 
Please complete the settings within 15 seconds 
after power is on because setting can’t be changed 
after 15 seconds. 
The setting procedure only needs to be executed 
once.  Afterward, the device will be kept in the 
same setting mode when the device is turned on 
every time.  
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