Programming Site Data 1-31
March 2008
TransFlection SIGNL
Options (cont.)
10.Press
[ENT] to accept the current Weak Signal Threshold value, or
use the numeric keys to enter a value between 0 and 100 and press
[ENT].
This option lets you enter an acceptable value for the two-phase
threshold. When the two-phase signal falls below this value, the E10:
WEAK SIGNAL error message appears on the display. The default
value is 20.
11. Press
[ENT] to accept the current Code Length value, or use the
[F1]-[F4] keys to enter a value between 1 and 16.
Use this option to enter an acceptable value for the number of pulses
per transmission. The default value is 8 pulses.
12.Press
[ENT] to accept the current Filter Width value, or use the
numeric keys to enter a value between 8 and 64 and press
[ENT].
Use this option to enter an acceptable value for the number of
samples of the digitized receive signal that the DF868 uses to
estimate the arrival of the transducer signal. The default value is 48 (6
cycles).
13.Press
[ENT] to accept the current Averaging Factor value, or use
the numeric keys to enter a value between 0 and 16 and press
[ENT].
This option allows you to enter an acceptable value for an algorithm
that the DF868 uses to eliminate background noise. The default value
is 5.
14.Press
[ENT] to accept the current # of Errors Allowed, or use the
numeric keys to enter a value between 0 and 16 and press
[ENT].
Use this option to enter the number of errors the DF868 can record
before it displays an error message. The default value is 6.
Table 1-14 on page 1-36 lists default values and limits for
SETUP
parameters.
Table 1-13: Response Time vs. XMITs
XMITs Per Reading
Repetition Rates
200 µsec 800 µsec
30,000 6 sec 24 sec
5,000 1 sec 4 sec
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