A-Scope Display - Furuno FCV-1900 Operator's Manual

1. OPERATION
6. Select [HF TVG Level] or [LF TVG Level] as applicable, then push the ENTER
knob.
7. Select the TVG level, then push the ENTER knob.
The higher the level the less the gain at near distance.
8. Press the MENU/ESC key several times to close the menu.
1.21

A-scope Display

This display shows echoes at each transmission with amplitudes and tone proportion-
al to their intensities, on the right side of the screen. It is useful for estimating the spe-
cies of a school of fish and bottom composition.
Note: In the horizontal split dual frequency display the A-scope display appears on
both high and low frequency displays. In the vertical split dual frequency display the
A-scope display only appears on the high frequency display.
1. Press the MENU/ESC key, then open the [Setting] tab.
2. Select [Display], then push the ENTER knob.
3. Select [A-Scope], then push the ENTER knob.
4. Select the A-scope presentation desired, then push the ENTER knob.
• [Off]: The A-scope is not shown.
• [Normal]: Display shows echoes at each transmission with amplitudes and tone
proportional to their intensities.
• [Peak]: "Normal" A-scope display plus peak-hold amplitude echo in dots for last
five seconds.
5. Press the MENU/ESC key several times to close the menu.
1-26
Setting BBDS1 Telesounder
Sounder
A-Scope
Display
Temp Graph
Measurement
Temp Color
Alarm
Display Division
Data
Window Size
System
Zoom Mode
Zoom Marker
Colors
Hue
Back Ground
Window Color
Depth Size
Depth Scale
Distance Scale
Color Bar
Function Display
Mode&Gain Setting
Off
Off
Std
1:1
Bottom Lock
On
64
Std
Dark Blue
Day
Normal
Right
Top
On
Key(F1/F2)
On