Hello i need help...

how i avoid the blink using serout

example:
SerOut 1,N2400,[254,1]
pause 100
SerOut 1, N2400, [254, CDLine1,"EGT=",#EGT]
Or
SerOut 1, N2400, [254, CDLine1," "]
SerOut 1, N2400, [254, CDLine1,"EGT=",#EGT]