User Instructions
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5.4 Configuration of power supplies of the EN54 series with LED display. 
The PSU fitted with LED display enables setting the communication parameters of the serial port from the 
LED panel. To enter the setup mode, simultaneously press the „<,>”  rightmost  and  leftmost  buttons  on  the  LED 
panel.  
- simultaneously press the „<,>” rightmost and leftmost buttons 
- The „tst” parameter will be displayed 
- press the right arrow „>” 
- The „trS” parameter will be displayed 
- press „OK” 
- The information about the selected transmission speed  
will be displayed 
- use the „<” or „>” buttons in order to set the required 
 transmission speed, 
- confirm by pressing „OK” 
- The „trS” parameter will be displayed again 
- press the right arrow „>” 
- The „trP” parameter will be displayed 
- press „OK.” 
- The information about the selected parity of the transmission 
will be displayed 
- use the „<” or „>” buttons in order to set the „8E1” parameter 
- confirm by pressing „OK.” 
- Simultaneously press the „<,>” rightmost and leftmost buttons  
to complete the configuration procedure 










