Parameter reference
8.6 Setup (2.)
HydroRanger 200 HMI
224 Operating Instructions, 06/2018, A5E36281317-AC
Narrow echo filter (2.11.2.6.)
Filters out echoes of a specific width.
Preset: 0 ( = OFF); the nearest acceptable value is returned; Greater = Wider
• Algorithm (2.11.2.2.) (Page 222)
• Spike filter (2.11.2.7.) (Page 224)
• Reform echo (2.11.2.5.) (Page 223)
• Echo marker (2.11.2.9.) (Page 225)
Use this for transducer acoustic beam interference (e.g. ladder rungs). Enter the width of
false echoes (in ms) to be removed from the long shot Echo Profile. When a value is keyed
in, the nearest acceptable value is entered.
Dampens spikes in the echo profile to reduce false readings.
• Algorithm (2.11.2.2.) (Page 222)
• Narrow echo filter (2.11.2.6.) (Page 224)
• Reform echo (2.11.2.5.) (Page 223)
• Echo marker (2.11.2.9.) (Page 225)
Use Spike Filter (2.11.2.7.) if interference spikes are on the long shot Echo Profile display.
Submergence detection (2.11.2.8.)
Used when the transducer is expected to be submerged on occasion.
• Empty (2.2.4.) (Page 170)
• Material level (2.4.5.) (Page 178)
When a transducer with a submergence shield is submerged, the shield traps an air pocket
that creates a special echo. The device recognizes the echo and advances the reading to
the highest level and operates displays and outputs accordingly. This feature is effective for
when power is returned while the transducer is submerged.
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