4-14
4.1.22 Filter setting 1:A0/A1/A2/B0/B1/B2/C0/C1/C2/C3
Function The balance of the stability of a current display, accuracy, and tracking
performance is adjusted.
Use the B1 position usually.
When it gives top priority to the tracking performance in the low current flow velocity,
use the A1 position.
Operation Standard Menu: [MENU] key/Menu screen/ Measure setting≫/[ENT] key
/ Filter Setting 1: A0/A1/A2/B0/B1/B2/C0/C1/C2/C3
About Filter Setting 1
It is a setting item which functions on the operation of a current.
It is used when removing the influence of direct and indirect acoustical disturbance
especially.
If it is set as B from A and set as C from B, it is in the tendency in which a current
value is stabilized.
If it is set as 1 from 0, is set as 2 from 1 and is set as 3 from 2, it is in the tendency
in which a current is stabilized.
By judging the current value in the middle of calculation to be unusual, and making
low the threshold value to delete, a current is calculated with a value with little
variation, and this stability is stabilized directly. And, as for this, it acts that average
time gets longer equivalently because the number of the data to use for operation
decreases.
4.1.23 Filter Setting 2: D0/D1/D2/E0/E1/E2/F0/F1/F2
Function It is a menu for servicemen.
Use the D1 position usually.
Operation Standard Menu: [MENU] key/Menu screen/ Measure setting≫/[ENT] key
/ Filter Setting 2: D0/D1/D2/E0/E1/E2/F0/F1/F2
About Filter Setting 2
It is a setting item which functions on the operation of a current.
It is used when removing the influence by fishing gears or a shoal of fish
especially.
A setting of the filter setting 2 becomes effective when a setting of the filter setting
1 is C position.
If it is set as E from D and set as F from E, it is in the tendency in which a current
value is stabilized.
If it is set as 1 from 0, is set as 2 from 1 and is set as 3 from 2, it is in the tendency
in which a current is stabilized.
By judging the current value in the middle of calculation to be unusual, and making
low the threshold value to delete, a current is calculated with a value with little
variation, and this stability is stabilized directly. And, as for this, it acts that average
time gets longer equivalently because the number of the data to use for operation
decreases.
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