82
Raymarine H6 - Owner’s Manual
H6 provides automatic or manual color gain adjustment. Automatic adjustment
displays colors based on current conditions, using as many colors as possible,
whilst minimizing noise and clutter. You can manually adjust the color gain, but
will need to re-adjust it as conditions change.
TVG
Time Varied Gain (TVG) reduces surface clutter by reducing the gain in the top 100
ft of the display and is useful for reducing noise, such as that generated by boat
movement and floating debris that often appear in shallow water. A low TVG
value has little effect on gain in shallow water; a high TVG value decreases the
gain in shallow water so that only the strongest echoes are displayed. You can
adjust TVG manually or automatically.
To adjust the gain controls:
1. Select
Controls/Gain
. The gain softkeys are displayed.
2. Click the appropriate softkey to adjust the gain control settings.
Getting a clearer picture of the bottom
You can get a clearer picture of the bottom using the Bottom Lock function. The
normal scrolling bottom display provides a top-down view, referenced from the
surface of the water. Bottom lock shows a water column of fixed height,
referenced from the bottom that appears flat. It removes bottom detail to provide
an image of objects directly above the bottom and is useful when you are looking
for objects or fish that are feeding close to the bottom.
You can select the bottom lock image to be vertically split with the scrolling
bottom image, or to replace the scrolling bottom image.
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Summary of Contents for H6
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