American Magnetics 187 Self-Compensating Liquid Level Controller - Manual (Page 32)

21
Operation
Menu Reference
The RATE alarm may be set up to 9,999.9% per minute. The
default value is 10.0% per minute.
3.3.7 LEN (Length) Menu
The LEN menu is accessible by pressing the ‡/(1 key while in selected
units of inches or centimeters. The LEN menu provides access to two menu
screens, accessible by pressing the
0(18 key, for the zero offset and
measured span settings. For a complete discussion of the zero offset and
measured span settings, refer to paragraph 3.1.3 on page 14.
3.3.7.1 Zero Offset
Adjusts the value of the zero offset in the selected units. The zero
offset may not exceed the overall length of the sensor minus 1
millimeter. If the sum of the new zero offset and the previous
measured span exceeds the overall sensor length, the measured
span is automatically reduced to accomodate the new zero offset
value.
3.3.7.2 Measured Span
Adjusts the value of the measured span in the selected units. The
measured span may not exceed the overall length of the sensor
specified in the first page of this manual and on the calibration
label affixed to the bottom of the Model 187 chassis. If the sum of
the new measured span and the previous zero offset exceeds the
overall sensor length, the zero offset is automatically reduced to
accommodate the new measured span value.
3.3.8 FILL Menu
The FILL menu is accessible by pressing the ‡),// key. The FILL menu
provides two menu screens, accessible by pressing the 0(18 key, for
setting the fill mode and the fill timeout. See paragraph 3.1.3 on page 14
for more discussion of the fill mode and fill timer operation.
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