
45
ULTRA-E-F
C, How to Obtain Good Signal Strength and Signal Quality
After installing two transducers, please use Menu 90 and 91 to check the signal strength and
signal quality, time ratio within the range of 97%-103%.
Screw one transducer or another transducer, let the value of Menu 90 at least
>
60.
The scale factor is used to modify the measurement results, factory default is 1.0 or other value
depends on calibration. The user can enter a numerical value other than 1.0 according to re-
calibration results.