Operating Manual

Chapter 5 Radar Fine Tuning Accu-Wave
5-16 TN Technologies
“False Echo Management” (continued)
Display Comments
bottom echo
signal strength
factor 0.000
NEXT↓↓
[Service only item]
When set to 0.0 (default), this factor is not used in the
echo selection process. When a non-zero value is
entered, this weighting factor is applied to echoes at
the “distance (from the) REF LINE to tank bottom”
(next menu item) and beyond in the echo selection
process.
Note: Limit setting between 0.05 to 1.0. If this
setting needs to be changed, consult TN.
Direct Entry Code: ‘121003’
Distance REF LINE to
tank bottom
0.000 ft
NEXT↓↓
[Service only item]
This item works in combination with the previous
item.
Direct Entry Code: ‘054003’
spectrum cutoff
point 91.00 %
NEXT↓↓
[Service only item]
Do not modify this value.
Clutter data
management→→
NEXT↓↓
Press → to enter the “Clutter data management”
submenu. See the next section for details.
tank map setup→→
NEXT↓↓
[Service only item]
Press → to enter the “tank map setup” submenu. This
submenu is used to map and reject false echoes in an
empty tank. See page 5-21 for details.
region weighting
setup→→
NEXT↓↓
[Service only item]
Press → to enter the “region weighting setup”
submenu. This submenu lets you divide the tank into
regions (up to 8) and assign a different weighting
factor to each region. See page 5-24 for details.
Minimum allowable
post weighting
signal strength
0.000 NEXT↓↓
[Service only item]
Enter desired threshold value. Default value of 0.0
disables this threshold test. When a non-zero value is
entered, only echoes with a weighted signal strength
greater than or equal to this value are reported as
candidate echoes.
dynamic threshold
setup→→
NEXT↓↓
[Service only item]
Press → to enter the “dynamic threshold setup”
submenu. This submenu defines parameters which
help track a turbulent process while still providing a
quick and reliable update response. See page 5-26 for
details.