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10. VIDEO SOUNDER OPERATION
10-15
10.7
Erasing Weak Echoes
Sediments in the water or reflections from plankton may be painted on the display in
green or light-blue. These weak echoes may be erased as below.
Appearance of weak echoes
1. Push the [ENTER] knob to show the SENSITIVITY window.
Sensitivity menu
2. Rotate the [ENTER] knob to choose SIGNAL LEVEL and then push the [ENTER]
knob to show the signal level window.
Signal level window
3. Rotate the [ENTER] knob to choose level of erasure or OFF as appropriate. The
higher the number the stronger the echo that will be erased.
4. Push the [ENTER] knob and [MENU] key in order to close the menu.
Note:
Unlike "clutter," signal level reduces display colors. Therefore, if you do not wish
to reduce colors, use clutter instead.
Weak
echoes
GAIN 50* 000
NOISE LIMITER
HIGH
CLUTTER
0
WHITE MARKER
OFF
SIGNAL LEVEL
OFF
*: For menu operation, both
of 50 and 200 frequencies appear.
OFF
SL1
SL2
SL3
SL4
OFF
SL1
SL2
SL3
SL4
SL5
SL6
SL7
SL8
SL9
PALETTE settings
on GENERAL menu: NOAA
PALETTE settings
on GENERAL menu: other than NOAA
www.reelschematic.com
www.reelschematic.com
Содержание GP-7000F
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