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1031011
Dual Fuel Level (FL-2)
Quick Reference Guide
Programming the Filter, Operating Mode and Resolution:
I. Turn the power to the FL-2 off.
2.
Set the tank Selector Switch to the center
position ("Total").
3. Push and hold the Enter Button on the back
of
the unit. Turn on the power, wait 3 seconds
and release the Enter Button. The FL-2 will
display the current filter setting (F
08, 16, 32, 64
or 128). The programmable numbers will
be
blinking.
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4. Toggling the Selector Switch from the center position (total) to the left or
right will change the filter setting (F
08, 16, 32, 64 or 128).
5.
Once you have selected the filter setting, tap
the Enter Button on the back
of
the FL-2 to
display the current operating mode. The
programmable letters will be blinking.
6.
Toggling the Selector Switch from the center
position to the left or right will change the
operating mode
("FL r", "FLrH" and "FL C").
7.
Once you have selected the operation mode, tap
the Enter Button on the back
of
the FL-2 to display the current resolution.
The programmable numbers will be blinking.
8.
Toggling the Selector Switch from the center position
to
the left or right will
change the resolution
("GAL
1"
or GAL.5'').
9.
To
exit this program mode, push and hold the
Enter Button on the back
of
the FL-2 for 3
seconds, then release the button. All programmed data
is
stored in memory for 100 years
with or without aircraft power connected to the
instrument.
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CalibratingtheLeftFueiTank:
I. Set the aircraft angle
of
attack for cruise flight with unusable fuel in the tank.
2.
Turn the power to the FL-2 off. Set the Selector Switch to the left position.
3.
Push and hold the Enter Button on the back
of
the unit.
Turn on the power. Wait 3 seconds and release the Enter
Button. This is your first calibration point. Each time you
push and hold the Enter Button you will advance to the
next cal point. A maximum
of9
cal points may be set.
4.
Place the Selector Switch into the center position. The FL-2 will display the
current fuel level for this cal point.
If
"EOOO"
is
displayed, this is for cal
point 1 (empty fuel level).
If"Pxxx" is displayed, this indicates a partial fuel
level cal point.
If
"Fxxx" is displayed, this indicates the
full fuel level cal point and is the last cal point.
To program (change) the fuel level for this calibration
point, push and hold the Enter Button on the back
of
the
FL-2 for 3 seconds. To change the blinking digit, move
the Selector Switch from the center position to the left or right. To blink the
next digit to the right, tap the Enter Button on the back
of
the FL-2. To exit
the programming
of
the fuel level for this calibration point and stop the
blinking
of
a digit, push and hold the Enter Button on the back
ofthe
FL-2
for 3 seconds.
5.
Place the Selector Switch into the right position. The FL-2 will display the
last programmed Sensor Counts for this cal point. Tap the Enter Button on
the back
of
the FL-2, the display will start blinking and the Sensor Counts
for the current fuel level in the tank will be displayed. Wait for the display to
stabilize and tap the Enter Button to lock the current
Sensor Counts into the
display and stop the blinking.
If
you want to manually program the Sensor Counts, push
and hold the Enter Button at the back
of
the FL-2 (with
the Sensor Counts displayed and not blinking) until the
thousands digits starts to blink.
Calibrating the Right Fuel Tank:
Calibrate the right tank using the left tank calibration procedure with the
following change: When the procedure calls for the Selector Switch to be
placed
in
the left position, place it in the right position and when
it
is to be
placed in the right, place it into the left.
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