Smartcraft Calibration - NorthStar SMARTCRAFT GATEWAY Manual

3-8 SmartCraft calibration

There are three SmartCraft calibrations.
3-8-1 Tanks calibration
If tanks have level sensors fitted (see section 1-1-1),
set the type of tank, the tank alarms and calibrate
if required:
Press until the Setup menu is dis-
played, then select Calibrate, then select
Tanks.
For each tank with a level sensor, follow the
steps below:
Select Tank, press
1
from the menu.
Select Tank type, press
2
tank type from the menu (Unused, Fuel,
Water, Oil or Waste).
3 The raw level sensor data is the level in
the tank as a percentage of the level when
the tank is full (100 %). To select how the
level sensor data is displayed on the Tanks
display (see section 3-2), select Display
type, press
and select the type from the
menu:
Percentage: Display the raw level sen-
sor data. Note:
If the sides of the tank are not vertical
and straight, then the Percentage
16
and select the tank
and select the
NAVMAN
level sensor data displayed does not
correspond to the volume in the tank;
for example if the sensor shows 50 %,
the tank is not 50 % full.
For Percentage display type, fuel
Used and Remaining on the Fuel
display can not be calculated, and are
displayed as Invalid.
Volume: Display a volume calculated
linearly from the sensor data, for example
if Tank size (see below) is 500 G and
the sensor shows 50 % of full, then 250
G is displayed. Choose this option only if
the tank has vertical, straight sides and
the tank bottom and top are flat.
Calibrated volume: Display a
volume calculated non linearly from the
sensor data. Choose this option if the
tank does not have vertical, straight sides.
You must calibrate the tank (see step 6
below).
4 To set a low level alarm for the tank (see sec-
tion 3-2):
Select Tank alarm.
i
to turn the alarm On or Off.
ii Press
iii Press or
alarm will sound if the alarm is On and the
tank level is less than the alarm value.
iv Finally, press
5 Set the tank size:
Select Tank size.
i
ii Press or
iii Finally, press
If Display type is Calibrated vol-
6
ume, the sensor data must be calibrated.
Select Calibrate.
i
ii Follow the instructions displayed to add
measured amounts of fuel.
iii Finally, the display shows Tank size
(set in step 5 above), Actual size (the
volume of fuel you added to the tank),
and asks Is this correct? Select:
Accept to accept the calibration
SmartCraft gateways Installation and Operation Manual
to set the alarm value. The
.
to set the tank size.
.