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Selecting output with mean value activates the routine. With the actual
measured distance as the centre, a ± 32 mm window is created. This
window is called measurement window (for adjustment of this, see
“Measurement Window”).
If the next measurement or new value is within this measurement win-
dow, it will be used to calculate the new distance which then will be
read-out. The new value is used as the centre of a new measurement
window.
Two counters, ‘A’ for the read-out of the actual distance and ‘B’ for the
login, are reset to 0. If the next measurement or new value is outside
the window this measurement will be ignored and the distance output
will remain unchanged. A counter counting the number of measure-
ments outside the window is increased by 1.
If the Logout Counter A is below 3 (programmable), the program jumps
back to the start and a new measurement is made.
If it is higher than or equals 3, the Login Counter B is increased.
If B = 1, the measured value is assumed to be the new distance and a
new measurement window is created. The program jumps back to the
start and a new measurement starts.
If B > 1 and the new measurement is outside the new measurement
window, B is set to 1 and the program jumps back to the start and a
new measurement starts.
If B = 4 (programmable), the new measurement is realised as the new
distance. Output is now changed and the logout and login counters are
reset to 0. The program jumps back to the start and a new measure-
ment is started.
The following flow chart shows the structure of the program.