3)Press the ENTER/SELECT key.
4)Select ECHO AVG and press the ENTER/SE- LECT key.
5)Select 1, 2, or 3.
1:Distinguishes targets from sea clutter and suppresses brilliance of unstable echoes.
2:Distinguishes small stationary targets such as navigation buoys.
3:Displays distant targets as stable echoes.
6)Press the ENTER/SELECT key.
7)Press the MENU key.
a) Echo average OFF | b) Echo average 1 |
Figure 1-26 Echo average
WARNING
Do not use the Echo Average feature under heavy pitching or rolling; loss of true targets may result.
Echo averaging uses
The echo average feature is inoperable when a heading signal is not available. If you wish to use this feature without a heading signal, system ini- tialization is required. (Consult a FURUNO rep- resentative or dealer.)
Note: Echo averaging also requires ship’s speed information from a log or manual entry.
1.31Suppressing Second-Trace Echoes
In certain situations, echoes from very distant targets may appear as false echoes
To suppress them, turn on 2ND ECHO on the ECHO SIG menu.
1)Press the MENU key.
2)Select the ECHO SIG menu.
3)Press the ENTER/SELECT key.
4)Select 2ND ECHO and press the ENTER/SE- LECT key.
5)Select ON.
6)Press the ENTER/SELECT key.
7)Press the MENU key.
1 – 24