Operating Manual

Chapter 5 Radar Fine Tuning Accu-Wave
5-24 TN Technologies
“Tank Map Setup” Menu (cont.)
[“Service Only Items” must be enabled]
Display Comments
ignore mapped echoes
Change to “derate”→→
Continue as is↓↓
Echoes corresponding to a mapped echo (echoes that
meet all three “hit” criteria) can either be ignored or
“derated” by a weighting factor. The default is to
ignore all hits.
Map echo weighting
factor (MWF) 5.000e-2
NEXT↓↓
This menu item is only displayed if the above item
was changed from “ignore to “derate.”
Do not allow echoes
shorter than map hit
Change to “Do”→→
Continue as is.↓↓
The default is “Do not.” This means the gauge will
not consider any reported echoes closer than the
farthest map hit to be a possible candidate echo.
Note: After executing the “Map empty tank for false echoes” command, a series
of menu item will be displayed describing the mapped echoes.
map echo #1 of 5
17.77 ft distance
signal str=5.781
Q1=129 NEXT↓↓
Information for each mapped echo is displayed:
distance from REF LINE to echo,
signal strength, and
quality factor (Q1)
Region Weighting Setup
This menu allows the user to divide the tank into regions (2 to 8) and assign a custom
weighting factor to each of the regions. The user enters the distances at which the adjacent
regions intersect. The first region starts at the REF LINE, and the last region ends pass the
maximum distance point. These custom weighting factors work in combination with the
other echo weighting or preference factors. The region weighting factors do not parse the
echoes within the region; instead all of the echoes within the region are simply weighted by
its regional weighting factor. The regional weighting factors are applied to the echo
candidates prior to parsing with the default echo weighting factor.
Note: The weighted echo values can be monitored by assigning special code
‘1062’ as an additional measurement.
The region weighting factors do not alter the echo report.
The “Region Weighting Setup” menu structure only appears if “Service Only
Items” are enabled- Direct Entry Code 025020.
The direct entry codes were intentionally omitted from this Table. Use the “Region
Weighting Setup” menu structure to set up this set of tools.