Class1 106759 - ITL 4LT with 1-wire COM 106296 106299 - Manual (Page 13)

Intelli-Tank Manual (106759)071006 – 13 – Class 1
Dimming the Display
The display can be dimmed by applying VIGN to pin 3 (Dim Display input). To
select the dim level of the display use the magnetic switches to enter the
password
RLLR LLLR
all of the LEDs will come on. Hold the magnet against the RIGHT switch and the
display will either brighten or dim. Release the magnet and again hold it against
the RIGHT switch and the display’s brightness will move in the opposite direction.
When the dim level is at the desired point activate the LEFT switch. Each unit
has its own calibrated dim level and dim input.
Self Testing the Unit
The Tank Level can check its hardware for proper operation by entering the
password
RLLR LLRR
the unit will then cycle each LED on individually starting with the bottom LED and
then all LEDs will come on and begin flashing between full bright and the
calibrated dim level for 5 seconds. The display will then show the condition of
the self test for 5 seconds.
A PASS condition is indicated when only the top LED (LED 4) is on.
A FAIL condition exists if LED 4 is off and any other LED is on.
LED 3 ON Memory failure.
LED 2 ON Data line error.
LED 1 ON Transducer signal line out of tolerance or shorted to
+5V.
LED 1 Flashing Transducer signal shorted to ground (too low).
If the self test password is used on a Master unit all Remote units will also
perform their self test.