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JLN-650 / 652 Current Meter Malfunction Confirmation List
(Asking) Please contact about the repairing or ordering, and after confirming and filling in the
following item.
Please inquire to the mother ship, and fill it in as accurately as possible when there is an
uncertain item upon filling in.
Ship Name
TEL.
Fax.
Model JLN-650 / JLN-652
Production No.
Please confirm the following confirmation item in numerical order, and apply the check mark (✓) to the
side where either "Yes" or "No" corresponds.
Please fill it in as specific as possible on "Other content" of the end when not corresponding to either.
No. Confirmation Item Result
The power supply doesn't turn on. (When the key on the keyboard is
pushed, the touch sound is not generated. )
Yes No
Nothing is displayed in the indicator though the power supply is turned
on and the operation sound rings.
Yes No
The power supply doesn't turn off.
Yes No
The display doesn't change like the first stage screen.
Yes No
An warning and the update screen are displayed next to an initial screen.
Yes No
When using it, a warning is displayed usually.
Yes No
Nothing is displayed on the [FISH] screen.
Yes No
The sensitivity of a specific screen is low among four screens of the
[FISH] screen.
Yes No
Among four screens, a lot of noises of the [FISH] screen are displayed
on a specific screen.
Yes No
The color is displayed to 400m of current 3 echo display in the quay
excluding the backing color(First color) and Second color.
Yes No
Depth in bottom of the sea is not displayed shallowly of 250m or less.
Yes No
The bottom tracking speed is not displayed. Or, the error is large.
Yes No
A Port/Starboard ship speed at the bottom tracking speed is always
biased to one direction and it is displayed.
Yes No
The water tracking speed is not displayed. Or, the error is large.
Yes No
The current is not displayed. Or, the error is large.
Yes No
The current is biased in a specific direction of the ship and it is displayed.
Yes No
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