2. HORIZONTAL MODE
2-14
2.7.4
How to shorten pulse length
The pulse length determines the length of the transmission pulse emitted into the wa-
ter. While a longer pulse is advantageous for long-range sounding, it has the disad-
vantage of being poor in discrimination of targets, that is, the ability to separate several
closely located targets. When searching bottom fish, therefore, it is useful to shorten
the pulse length in order to separate fish echoes from bottom reflections.
Note:
For search of surface and midwater fish in which bottom reflections are not so
strong, use the longest pulse length "9".
1. Press the
MENU/ESC
key to show the main menu.
2. Select [TX/RX Setting] then push the left-
click button.
3. Press the
H/V/S
key to select [H1] or [H2]
tab.
4. Select [TX Pulse Length] then push the left-
click button.
5. Select
S
or
T
then push the left-click button
to change the setting. The setting range is 0
to 9. The higher the setting, the longer the
pulse length.
6. Select [Quit] on the setting box then push the
left-click button to close the box.
7. Long-press the
MENU/ESC
key to close all menus.
Содержание FSV-35S
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