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4.7 Tidal Profile Display Setting
The current (direction and speed) of each 2m is measured from the surface of the sea to bottom of the
sea (*1), and it displays in the graph in real time on the [PROFILE] screen.
For instance, 150m in depth, the graphical display of the current in about 50 layers can be done at the
same time in depth from 12m in depth to 112m in case of a standard measurement in five current layers.
As a result, can the twist of the current from the surface of the sea to bottom of the sea and the change in
swinging can be seen.
The profile screen is displayed with the [PROFILE] key on the keyboard. There are three screens (profile
1(graphical display) , profile 2(ellipse display)) and profile 3(Upwelling flow display), and the screen of
profile 1 , profile 2 and profile 3 changes into the profile screen whenever the [PROFILE] key is pushed.
4.7.1 Profile 1 Graph Setting (Graph Display / Ellipse Display Commonness
setting)
・Function・ Profile 1 screen displays the multilayer current data separately for 1) Current speed graph
and 2) Current direction graph.
Set item: Range of multilayer depth, range of multilayer Current speed, and display current
The setting of profile graph 1 and profile graph 2 is common.
Operation Standard Menu: [MENU] key/Menu screen/Picture setting≫ / [PROFILE] screen ≫/[ENT]
key/"Multi-Layer Profile Picture setting" menu
Selection Frame Menu: [□] key/ Enclose “Profile 1 graph” with the frame /[MENU] key/
"Profile 1 graph" menu
Multilayer Depth Range
・Function・ The range of depth in the profile current graph is set. Select the maximum display value to
be measured. (*2)
Set value: [ 100 200 300 500 ] m
The Multilayer Depth Range is common to profile 1 screen and profile 2 screens and
set. ･･･ Unit setting (*3)
Operation Standard Menu: "Multi-Layer Profile Picture setting" menu/Multilayer depth range: 200 m
Selection Frame Menu: "Profile 1 graph" menu/Multilayer depth range: 200 m
Multilayer Current Speed Range
・Function・ The range of Current speed in the multilayer current graph is set. Select the maximum
display value to be measured.
Set value: [ 1 2 5 10 ] kn
The Multilayer Current speed Range is common to profile 1 screen and profile 2 screens
and set. ･･･ Unit (kn)
Operation Standard Menu: "Multi-Layer Profile Picture setting" menu/Multilayer Current speed
range: 1 kn
Selection Frame Menu: "Profile 1 graph" menu/ Multilayer Current speed range: 1 kn
Display Current
・Function・ The current displayed in the graph is selected from [absolute/relative].
Absolute: The Absolute current is displayed.
Relative: The relative current is displayed.
The display current is common to profile 1 screen and profile 2 screens and set.
Operation Standard Menu: "Multi-Layer Profile Picture setting" menu/Display Current: Absolute
Selection Frame Menu: "Profile 1 graph" menu/Display Current: Absolute
*1 The maximum depth in which the current can be measured is about 160(JLN-650)/100(JLN-652)m of depth or about 75% value
of bottom of the sea depth. It changes by the oceanographic condition.
*2 The bottom of the sea depth that can be measured is about the maximum 400(JLN-650)/250(JLN-652)m.
It changes by the oceanographic condition.
*3 The unit within the range of depth can be selected from m/fathom. Refer to 7.1.3 “Depth Unit”.
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