3.12 Vertical Menu Overview
This section presents an overview of the items on the VERT menu.
1. Press the [MENU] key to open the menu.
7. Press 
to select MENU and then press 
or 
to select the VERT menu.
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| MENU |
| COM1 COM2 HORZ | VERT | ES PRESET SYS |
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| TVG LEVEL | 4.0 |
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| TVG DISTANCE | 4.0 |
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| GAIN ADJUST | 0 |
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| RES. COLOR | LOG |
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| CLUTTER | 0 |
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| HORZ RANGE | x1 |
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: SELECT | : CHANGE MENU: END |
Figure 3-16 VERT menu
8.Press 
or 
to select item desired.
9.Press 
to show corresponding dialog box.
10.Press 
or 
to select option desired.
11.Press the [MENU] key to register your selection and close the menu.
3.12.1 Vertical menu description
TVG LEVEL: Compensates for propagation loss of sound in water. The default setting is 4.0.
TVG DISTANCE: As above. Default setting is 4.0.
GAIN ADJUST: Compensates for too weak or too strong echo level. Adjust it when the gain on the vertical fan mode is not the same as that on the horizontal and echo sounder modes. Setting range:
RES. COLOR: Sets transfer characteristics of input signal level versus display echo level. Echo strength is emphasized in order of CUBE, SQUARE, LINEAR, LOG. You can see the characteristics of each by watching the color bar as you change the setting. Default setting is LOG.
LOG: | Displays weak to strong echoes in their respective levels. This setting is suitable |
| for general use. |
LINEAR: | Downplays the weak echoes when compared with 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. |
