Furuno CH-500, Руководство оператора

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3. VERTICAL SCAN MODE
3-2
3.2 Vertical Menu Overview
The [VERT] (Vertical) menu contains the settings and adjustments for Vertical scan
mode.
To access the VERT menu, do the following:
1. Press the MENU key to open the menu.
2. Press
S
to select the menu bar.
3. Press
X
or
W
to select [VERT].
The Vertical menu appears.
The table below lists the menu items with a brief explanation, along with the settings
and ranges available.
Menu item Description Settings/Ranges
[TVG Level] Time Varied Gain. Compensates for propagation loss of
sound in water. See section 2.13.3. 0.0 to 10.0; default: 4.0
[TVG Distance] Time Varied Gain. Compensates for propagation loss of
sound in water. See section 2.13.3. 0.0 to 10.0; default: 4.0
[Gain ADJ.] Adjust the level of gain. -10 to +10; default: 0
[RES. Color] Sets the color scheme for echo display, based on echo
strength.
• LOG: Weak to strong echoes are displayed in colors
respective to their echo strength.
• Linear: Downplays weak echoes, compared to LOG.
Effective for suppressing weak echoes such as
plankton.
• Square: Strong echoes are emphasized more than in
Linear.
• Cube: Strong echoes are emphasized even more
than in Square.
LOG, Linear, Square,
Cube; default: LOG
[Clutter] Suppresses low intensity echoes, such as sediment.
The higher the number (setting) the weaker the echoes
which are erased. 0, 1, 2, 3; default: 0
[HOR. Range] Sets the horizontal range expansion factor for horizontal
scan mode.
Note: This feature is not adjustable when the target lock
function or vertical search function is active.
u
1,
u
2; default:
u
1
Menu
TVG Level
Gain ADJ.
RES. Color
HOR. Range
: Select : Change Menu: Apply
Clutter
TVG Distance
4. 0
0
LOG
X 1
0
4. 0
COM1 COM2 HOR. VERT ES FUNC Key System
Note: The CH-600 can set [TVG Level], [TVG Distance], [Gain ADJ.],
[RES. Color] and [Clutter] for LF or HF respectively.