Lowrance LMF-400 Installation and Operation Manual - Page 62

Quarter Level, Half Level, 3 Quarter Level and Full Level in any

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Level and Full Level) in any order you wish. Remember: Points that are not calibrated will not be as accurate as points that have been calibrated. For the greatest accuracy, we recommend all three points be calibrated. To execute 3-Point calibration: 1. Before following the steps below, make sure your fuel tank is empty. 2. Press MENU, use the UP and DOWN keys to select SYSTEM SETUP and press ENTER. 3. Highlight BUS DEVICES and press ENTER. Choose the fluid level you want to calibrate and press ENTER. 4. Select CALIBRATE and press ENTER. The Number of Points menu will appear with three options: 2, 3 and 5. Select 3, for three-point calibration, and press ENTER. 5. Highlight EMPTY LEVEL and press ENTER. The following message will appear: Set Tank to Empty Level Press Enter. 6. Press ENTER. You will be taken back to the Levels menu. 7. Add half a tank of fuel. (If you had a 100 gallon tank, you would add 50 gallons.) 8. Select HALF LEVEL and press ENTER. The following message will appear: Set Tank to Half Level Press Enter. 9. Press ENTER. You will be taken back to the Levels menu. 10. Fill up your tank. 11. Highlight FULL LEVEL and press ENTER. The following message will appear: Set Tank to Full Level Press Enter. 12. Press ENTER. You will be taken back to the Levels menu. Press EXIT repeatedly to get back to the main display. 5-Point Calibration 5-point calibration is best suited tanks that vary greatly in shape from top to bottom. You can begin calibration at any point in the 5-point calibration process. We recommend starting calibration with an empty tank. In a five-point calibration there are five calibration points: Empty Level, 1 Qtr Level, Half Level, 3 Qtr Level and Full Level. NOTE: You DO NOT have to calibrate all five points to complete the calibration and you can calibrate the points (Empty Level, 1 Quarter Level, Half Level, 3 Quarter Level and Full Level) in any order you wish. Remember: Points that are not calibrated will not be as accurate as points that have been calibrated. For the greatest accuracy, we recommend all five points be calibrated. 56

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56
Level and Full Level) in any order you wish.
Remember: Points that
are not calibrated will not be as accurate as points that have been
calibrated.
For the greatest accuracy, we recommend all three
points be calibrated.
To execute 3-Point calibration
:
1. Before following the steps below, make sure your fuel tank is empty.
2. Press
MENU
, use the
UP
and
DOWN
keys to select
S
YSTEM
S
ETUP
and
press
ENTER
.
3. Highlight
B
US
D
EVICES
and press
ENTER
. Choose the fluid level you
want to calibrate and press
ENTER
.
4. Select
C
ALIBRATE
and press
ENTER
. The Number of Points menu will
appear with three options: 2, 3 and 5. Select
3
, for three-point
calibration, and press
ENTER
.
5. Highlight
E
MPTY
L
EVEL
and press
ENTER
. The following message will
appear:
Set Tank to Empty Level Press Enter
.
6. Press
ENTER
. You will be taken back to the Levels menu.
7. Add half a tank of fuel. (If you had a 100 gallon tank, you would add
50 gallons.)
8. Select
H
ALF
L
EVEL
and press
ENTER
. The following message will
appear:
Set Tank to Half Level Press Enter
.
9. Press
ENTER
. You will be taken back to the Levels menu.
10. Fill up your tank.
11. Highlight
F
ULL
L
EVEL
and press
ENTER
. The following message will
appear:
Set Tank to Full Level Press Enter
.
12. Press
ENTER
. You will be taken back to the Levels menu. Press
EXIT
repeatedly to get back to the main display.
5-Point Calibration
5-point calibration is best suited tanks that vary greatly in shape from
top to bottom. You can begin calibration at any point in the 5-point
calibration process. We recommend starting calibration with an empty
tank. In a five-point calibration there are five calibration points: Empty
Level, 1 Qtr Level, Half Level, 3 Qtr Level and Full Level.
NOTE:
You DO NOT have to calibrate all five points to complete the
calibration and you can calibrate the points (Empty Level, 1
Quarter Level, Half Level, 3 Quarter Level and Full Level) in any
order you wish.
Remember: Points that are not calibrated will not be
as accurate as points that have been calibrated.
For the greatest
accuracy, we recommend all five points be calibrated.