Furuno FE-800, Руководство оператора

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2. SYSTEM MENU
22
2.2 How to Set Transducer Parameters
1. Press the MENU/ESC key to open the Main menu.
2. Select [System] using

or

, then press the ENT key.
3. Select [Parameters] using

or

, then press the ENT key.
4. Select [FE-8020 No. 1] or [FE-8020 No. 2] as appropriate using  or  , then press the ENT
key.
5. Select the parameter you wish to set using

or

, then press the ENT key. This will open a
pop-up window. The table below shows the available menu items and their available settings.
6. Adjust the parameter using

or

, then press the ENT key to apply the settings and close
the pop-up window.
To keep the default setting, press

or the MENU/ESC key.
7. Press the MENU/ESC key four times to close the menu.
2.2.1 Bottom level
If the depth indication is unstable or the seabed cannot
be displayed steadily notwithstanding the adjustment of
the control panel, you may adjust the bottom echo level.
To adjust the bottom level setting, see section 2.2.
Note: Do not switch transducer (frequency) at the
Junction Box when setting the bottom level. If it is nec-
essary to set bottom level for a different frequency, turn
off the FE-800, switch transducer at Junction Box and
then turn on the FE-800 again.
Menu item Available setting range Default
TVG 0 to 9 5
TVG Distance 1 m to 100 m 1 m
Echo Offset -20 to +20 0
Bottom Level -10 to +10 0
CAUTION CAUTION
If the level is set too low, the FE-800
may not be able to distinguish the
bottom from fish echo and the depth
indication may be unstable.
If set too high, the depth indication
does not appear.