Furuno FAR-2157 - Manual (Page 54)

3-12
LAND SIZE
Set the minimum echo size to be considered a landmass. The setting range is 100 to 1000 m, in
increments of 100 m.
ANT SELECT
Set the model of antenna radiator used.
AUTO ACQ CORRE
Set the number of consecutive echoes to receive from a target before initiating automatic acqui-
sition on it. The setting range is 3 to 10.
AUTO ACQ WEED
Set the number of consecutive "no echoes" from a target before canceling automatic acquisition
on it. The setting range is 1 to 5.
GATE SIZE
Set the gate size among S, M, L, or LL.
FILTER RESPONSE
Set the filter response function. The setting range is 1 to 4. Choose 1 for better trackability; 4 for
better stability.
LOST COUNT
Set the number of consecutive "no echoes" before an acquired target is declared as a lost target.
The setting range is 1 to 20.
MAX SPEED
Set the maximum tracking speed. The setting range is 40 to 150.
TRACKING MODE
Set the tracking mode among 1 to 4.
START TIME TGT VECT
Choose how to wait from time of acquisition to display of vector. Choose TIME to set by time (sec-
onds) or SCAN to set by number of antenna scans.