JRC JLN-650, Instruction Manual, Page: 65 / 190

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3.1.3
Current Measuring Depth Setting
The depth of the measured current is set. I t set on all screens except fish finder screen.
1) "Setting of the depth of the current measurement layer" menu (*1) is displayed by the [DEPTH]
key.
2) Each depth of five layers of A-E that displays the current by the menu is set.
Ex.) Setting of A Layer: "30" is input with numeric key after A layer is selected by
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key
when the measurement depth of A layer is set to 30m, [ENT] key is pushed, and it fixes.
3) Similarly, B-E layer is set.
4) The depth menu is ended pushing [depth] key again.
3.1.4
Fish Finder Display Range Setting
The range of depth, sensitivity [GAIN], and the bubble cancellation [STC] etc. of the fish finder
screen are set. * It is not possible to set it on screens other than the fish finder screen.
1 Selecting display beam
Which screen is displayed among one screen display, two screen display, and four screen displays
is selected.
In one screen display, the direction of the displayed beam is selected from the following four
directions by menu (*2).
Beam Direction: Fore Starboard/Fore Port/After Starboard/After Port
The direction of the displayed beam is selected from the following three directions by menu (*2) on
two screen display.
Beam Direction: Fore/Starboard/Port
2 Setting Depth Range
1) After numeric key (1-9,0) on the keyboard is pushed, it changes within the depth range set to each
key.
2) A set value of ten numeric keys and a set value within the depth range can be confirmed by "Fish
finder screen depth range setting" menu. A set menu is displayed by the [DEPTH] key. (*3)
3 Adjustment of Sensitivity [GAIN]: Adjustable at the range of 0.0-10.0
The receiving sensitivity of the fish finder screen is adjusted with the [GAIN] knob of the keyboard.
Sensitivity rises by the display under the left of the screen, and the numerical value large as for the
sensitivity value.
4 Adjustment of Sensitivity in the shallow water [STC] : Adjustable at the range of 0.0-10.0
The noise removal under surface of the water level is adjusted with the [STC] knob of the keyboard.
The level by which the bubble is erased is displayed lower the left of the screen. The range of depth
to remove the noise broadens when the numerical value is large.
3.1.5
Power OFF
The [PWR] key and the [OFF] key are pushed at the same time for about one second.
It sounds with [pi--pi], and the power supply enters the state of determination.
*It takes about ten seconds until the power supply cuts completely. (*4) * Push the [PWR]
key and the [OFF] key at the same time for about ten seconds or more when you do not determine
the power supply by any chance. It compulsorily becomes power supply determination.
*1 Depth setting in current measurement layer: Refer to 4.2.3 “Current Measurement Layer Depth Setting”.
*2 Selection of Beam Direction: Menu/Picture Setting/Fish Finder It sets in the screen.
*3 Fish Finder Screen Setting Menu of Depth Range: It is displayed that the [DEPTH] key is pushed by the fish finder screen
displayed.
*4 When the [PWR] key is pushed at once after the power supply cuts, it is likely not to start normally.
Operation Procedure
Operation Procedure
End
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