Furuno FCV-1200LM - Manual (Page 29)

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1.13 Picture Advance Speed
The ADVANCE/A-SCOPE function selects picture advance speed.
1. Rotate the [FUNCTION] switch to select ADVANCE/A-SCOPE.
The PIC ADVNC/A-SCOPE menu appears.
For picture advance
and A-SCOPE setting.
[-/+]: Change setting
[EXIT (knob)]: Exit
PIC ADVNC/A-SCOPE
PIC ADVNC : 1/1
A-SCOPE : OFF
PIC ADVNC/A-SCOPE menu
2. Press the [-] or [+] key to select the speed desired.
1/16 STOP 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 selecting 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. The current speed appears at the
top of the display.
1/1 S "S" means picture advance
speed is synchronized with
ship's speed.
See the next page.
Speed indication
3. Rotate the [FUNCTION] switch fully counterclockwise to select EXIT.