GE DigitalFlow DF868, Руководство по программированию

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March 2008
1-28 Programming Site Data
Transit-Time SIGNL Options
(cont.)
15. Press
[ENT]
to accept the current Maximum Peak % Limit or enter a
new value and press
[ENT]
.
Use this prompt to enter the maximum percent of peak that the DF868
can use to measure transit time. The DF868 accepts values from -100
to +100.
16. Press
[ENT]
to accept the current T Window (Cycles) value or enter
a new value and press
[ENT]
.
Normally, the Model DF868 calculates the size of the transmit
window based on pipe size and fluid sound speed. However, for
special diagnostic purposes, it may sometimes be necessary to reset
the window size. The default value for this parameter is 0 and values
from 0 to 1000 are acceptable.
17. Press
[ENT]
to accept the current R Window (Cycles) value or enter
a new value and press
[ENT]
.
Normally, the Model DF868 calculates the size of the receive window
based on pipe size and fluid sound speed. However, for special
diagnostic purposes, it may sometimes be necessary to reset the
window size. The default value for this parameter is 10 and values
from 10 to 128 are acceptable.