A5E32243983 The Probe – INSTRUCTION MANUAL Page 9
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English
4 mA calibration
20 mA calibration
Blanking
• To change the stored blanking value, obtain the `bL' display.
• Press the "20" key to increase or the "4" key to decrease the blanking value.
• When the display has scrolled to the desired value, stop pressing the key. The display
automatically returns to the Run mode (6 sec).
4 mA calibration initiated
view stored 4 mA calibration value i.e. 4.50 m
press”20” to increase to new calibration value i.e. 4.60 m
new calibration value
20 mA calibration initiated
view stored 20 mA calibration value i.e. 0.50
m
Note: For faster scrolling, hold the
key depressed during the
calibration adjustment and release
when desired value is obtained.
press “4” to decrease to new calibration
value i.e. 0.45 m
new calibration value
3 sec
blanking
stored blanking value i.e. 0.25 m
press “20” to increase blanking i.e. 0.36 m
Note: For faster scrolling, hold
the key depressed during the
blanking adjustment and release
when desired value is obtained.
press “4” to decrease to desired blanking
value i.e. 0.35 m
6 sec
new blanking value
The Probe
blanking
Blanking is used to ignore the zone in front of the
transducer where false echoes are at a level that
interfere with the processing of the true echo. It is
measured outward from the sensor face. The minimum
recommended blanking value is 0.25 m (0.82 ft) but can
be increased in order to extend the blanking.
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