Furuno GP-7000F - Manual (Page 103)

10. VIDEO SOUNDER OPERATION
10-17
10.9 Picture Advance Speed
The picture advance speed determines how quickly the vertical scan lines run
across the screen. When selecting a picture advance speed, keep in mind that a
fast advance speed will expand the size of the fish school horizontally on the
screen and a slow advance speed will contract it.
1. Open the SOUNDER menu.
AUTO MODE PRESET MANUAL
DISPLAY MODE NORMAL
FREQUENCY 50 KHz
PICTURE ADVANCE 1/1
TEMPERATURE GRAPH On
ZOOM MARKER On
A-SCOPE Off
SOUNDER SETUP
SENSOR SETUP
Sounder menu
2. Rotate the [ENTER] knob to choose PICTURE ADVANCE and then push the
[ENTER] knob to show the picture advance window.
STOP
1/16
1/8
1/4
1/2
1/1
2/1
Picture advance window
2. Rotate the [ENTER] knob to choose speed desired.
The fractions in the window denote the number of scan lines produced per
transmission. For example, 1/8 means one scan line is produced every eight
transmissions. STOP freezes the display and it is convenient for taking a picture
of the display.
3. Push the [ENTER] knob and [MENU] key in order to close the menu.
Note:
When using a plotter/sounder combination display, advancement of the
sounder picture may be temporarily interrupted while the plotter display is
being shifted or its display range is being changed.