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24
Service Manual
Third edition, June 1997
• The A- and B-distances are explained in the Installation
Manual.
• The Beam 1-4 distances are used to filter out any dis-
turbing echoes in the tank, where Beam 1 is the lowest
in the tank. These values are programmed by a Saab
service engineer during the commissioning of the sys-
tem. They should not be changed.
• Trim dist plug, List dist plug, Trim dist cog and List
dist cog are used to define how the correction of the
measured ullage should be corrected for trim and list
angles. Check if correction is done to a separate ullage
plug or to the center of gravity of the tank, in the win-
dow “SETUP: Drafts, Trim and List”. The trim distance
is positive when the TankRadar reference point is fore
of the separate ullage plug or the center of gravity. The
list distance is positive when the TankRadar reference
point is to starboard of the separate ullage plug or the
center of gravity.
• Trim dist plug is the longitudinal distance from the
TankRadar reference point to a separate ullage plug. It
is also called the C-distance, see the Installation Manual
for more information.
• List dist plug is the transversal distance from the
TankRadar reference point to a separate ullage plug. It
is also called the E-distance, see the Installation Manual
for more information.
• Trim dist cog is the longitudinal distance from the
TankRadar reference point to the center of gravity of the
products surface at 98% filling (volume) of the tank
(COF). It is also called the C-distance, see the Installa-
tion Manual for more information.
• List dist cog is the transversal distance from the
TankRadar reference point to the center of gravity of the
products surface at 98% filling (volume) of the tank
(COF). It is also called the E-distance, see the Installa-
tion Manual for more information.
• TX type describes which type of antenna that is used on
the tank.
- 0 indicates a special antenna,
- 1 indicates that the Parabolic Antenna is used,
- 2 indicates that the Cone Antenna is used,
- XX indicates that the Fast Opening Parabolic Antenna
is used.
- XX indicates that the Draught Antenna is used.
• Spec inner length is a theoretical distance correction for
the distance from the microwave unit to the TankRadar