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4.1.28 Switch Speed: -10/-5/-2/-1/0/1/2/5/10/20
Function It is a menu for servicemen.
Use the 0 position usually.
Operation Standard Menu: [MENU] key/Menu screen/ Measure setting≫/[ENT] key
/ Switch speed: -10/-5/-2/-1/0/1/2/5/10/20
About stabilization of current
It is a setting item which functions on the operation of a current.
In the following case, a setup of a current operation filter is changed to a preliminary
setting group.
- In the case of the setting value (ship speed value) is a minus value, when ship
speed is slower than the value
- In the case of the setting value (ship speed value) is a plus value, when ship speed
is quicker than the value.
Preliminary setting group: The head of a setting subject name has a notation of "+."
Example: + BT average time 1
As for this function, a good result may be obtained in the following situations.
- Usually navigate at 5 knots or more, and when carrying out a fishery, it becomes
less than 5 knots.
- While carrying out the fishery, the echo by fishing gears can check with an echo
screen.
- Or while carrying out the fishery, the muddiness generated with fishing gears etc.
can check with an echo screen.
- Although it is usually satisfactory, when a fishery is begun, a current value differs
from a true value.
- The current value which became once unusual does not show a true value easily
in the usual movement state.
In the situation of fulfilling these conditions, switch speed is set as "-5", and the usual
filter setting is set as tracking performance serious consideration, and a preliminary
setting group is set as stability serious consideration.
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