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1. OPERATIONAL OVERVIEW
1-18
1.14 Picture Advance Speed
The picture advance speed determines how quickly the vertical scan lines run
across the screen.
1. Rotate the [FUNCTION] switch to choose ADVANCE/A-SCOPE.
For picture advance
and A-SCOPE setting.
[-/+]: Change setting
[EXIT]: Exit
PIC ADVNC/A-SCOPE
PIC ADVNC : 1/1
A-SCOPE : OFF
PIC ADVNC/A-SCOPE menu
2. Press the [-] or [+] key to choose the speed desired.
1/16STOP 1/8 1/4 1/2 1/1 2/1 3/1 4/1
Picture advance speed setting window
The fractions in the window mean the number of vertical scan lines produced
per transmission. For example, “1/2” means a vertical scan line is produced
every two transmissions. These fractions also appear at the top of the
screen for your reference.
When choosing an advance speed, keep in mind that a fast advance speed
will expand the size of a fish school horizontally and a slow speed will
contract it.
1/1 S
"S" means picture advance speed is
synchronized with ship's speed.
Speed indication
3. Rotate the [FUNCTION] switch fully counterclockwise to choose EXIT.