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©2013 Technical Marine Service, Inc. LC-100 V2.97
SURE? SURE? appears when the user has entered a section of the program that will erase
or overwrite the configuration. The LevelCom 100 queries the user to allow time for the user
to consider if he is certain of his actions. If SURE? appears on the display at any point in
programming and you do not know why - Don’t press ENTER!
WAIT: Appears when a new reading has been manually requested, as in Flashing Numeric
Display above. A new reading is requested by pressing the Up or Down button. When the
new reading is complete the display will return to normal showing the new reading.
Lights
On the machine front panel there are individual LED lights to indicate alarm and fault
conditions.
The High Alarm and Low Alarm lights are used to indicate existing alarm conditions. There
are four possible alarm setpoints available on the machine, High High, High, Low, and Low
Low alarm. High and High High alarm conditions are indicated by the High alarm light. Low
and Low Low alarm conditions are indicated by the Low Alarm light. When an alarm
condition occurs, the respective alarm light will flash to indicate the alarm. If the ACK button
is pressed to acknowledge the alarm, the light will quit flashing and remain lit until the alarm
condition clears.
The TROUBLE light indicates fault conditions, such as a plugged sense line, low supply air
pressure, or leaking sense line system. When the condition occurs, the TROUBLE light will
flash to indicate the condition. If the ACK button is pressed to acknowledge the fault, the light
will quit flashing and remain lit until the fault condition clears, or another fault condition
occurs.
The ULLAGE light is lit to indicate that the current value shown on the digital display is an
ullage value, indicating how much of the tank remains to be filled. Typically an ullage reading
will indicate 0 for a full tank, and the maximum value for an empty tank.
Buttons
The front panel buttons are used in normal operation to view the display units, to switch
temporarily to different display units, to locally acknowledge alarms, and to manually trigger a
new reading.
To view the present display units, press the SHOW UNITS button. While the button is
pressed the current display units will be shown in text on the digital display, “FEET” for
instance.
The machine may be configured with more than one display unit. For instance it might be
desired to display depth as FEET, but it is also desired to display the Volume, in BARRELS.
In normal operation the machine will display depth information. Press the ALTERNATE
UNITS button to display the volume information. The new unit name will be shown briefly on
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