Furuno FSS-3BB, Operator'S Manual

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2. GRAPH FUNCTIONS
2-16
2.3.4 Specific range
1. Switch to a screen containing the normal echo display ([MODE] indication: [LF] or
[HF]).
2. Click the [Sounder] icon ( ) from the InstantAccess bar™ to show the [Sounder]
menu bar, then click the [Fish Size Measurement] icon ( ) to show menu op-
tions.
3. Click the [Specific Range] icon ( ).
Two measurement markers indicating the measurement start depth and measure-
ment end depth (horizontal solid yellow lines) and a measurement marker indicat-
ing the time direction (vertical dashed yellow line) are displayed. In the case of the
dual frequency display, the measurement markers are displayed on the normal
echo screen with high frequency priority.
4. The measurement markers can be moved with drag and drop to adjust the mea-
surement range.
•
Change the starting depth : Drag and drop the measurement starting depth
marker up or down.
• Change the ending depth : Drag and drop the measurement ending depth
marker up or down.
• Move the measuring range up or down : Set the cursor between the measure-
ment starting and ending depth markers, then drag and drop to move the mea-
suring range up or down.
• Adjust the horizontal width of the measuring range: Drag and drop the mea-
surement marker for time direction.
Measurement marker for start depth
(horizontal solid yellow line)
Measuring
range Measuring
range
Measurement marker for end depth
(horizontal solid yellow line)
* The measurement marker for time
direction cannot be moved within the
range of 30 dots from the right edge of
the screen. * The measurement marker for time
direction cannot be moved within the
range of 30 dots from the right edge of
the screen.
Measurement marker
for time direction* Measurement marker
for time direction*