Furuno FSS-3BB, Operator'S Manual

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2. GRAPH FUNCTIONS
2-15
2
2.3.3 Entire area
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 [Entire Area] icon ( ).
The area of detection (the entire screen) is surrounded with the measurement
marker (yellow box), as shown in the example figure below. In a combination dis-
play, the marker appears on the normal echo screen with high frequency priority.
For example, when the [MODE] window shows [HF/LF], the measurement marker
is displayed on the high frequency screen.
Measurement marker
(yellow box)
Detection
range
Detection
range