Filter
Top Products
2. HORIZONTAL MODE
2-16
5. Press the [MENU] key to register your selection and close the menu.
6. To suppress reflections from the sea surface or plankton, choose TVG LEVEL and
then press ►.
4.0
200 m
TVG LEVEL
Hi
Lo
GAIN
7. Press ◄ or ► to adjust TVG LEVEL, considering sea conditions. The setting range is 0
to 10, however a setting between 2.0 and 5.0 should provide satisfactory results. The
higher the figure the less the gain over distance.
8. Press the [MENU] key to register your selection and close the menu.
Watch a distant fish echo which is approaching own ship. Observe the color of the fish
echo while adjusting tilt angle so the fish echo is within the sounding beam. If the color
and size of the echo stay the same as the echo approaches own ship, the TVG setting is
proper. If the echo suddenly becomes smaller, the TVG level may be too high.