Configuration and Activation 4-47
trained ADS personnel. Therefore, ADS recommends
leaving the default settings in place.
Advanced Parameters dialog
x Blanking
helps prevent pops in installations where there are
problems with the sensor reading near-ranges (nearly full manhole
depths). Leaving Blanking at the default value of 0.00 allows the
monitor to use a built-in function of the manhole depth. A
Blanking value other than 0.00 represents the distance (in inches or
millimeters) from the face of the sensor which will be used to
calculate those ranges the monitor should ignore while the sensor is
firing. For example, choosing a value of 10 will cause all ranges
measured within ten inches (254 millimeters) from the face of the
sensor to be ignored.
x Temperature Choose the method for computing the air
temperature in the manhole as it relates to sensor signal.
ADS
recommends leaving this at the default Compensated setting.
Compensated Select this option to use a normalized
temperature setting to approximate the difference between
the top and bottom of the manhole. This setting is the
default setting and is sufficient in most cases.
Sensor Select this setting in cases where the temperature
is uniform throughout the manhole.
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