Enlarging Close-In Targets (R-Type Only); A/D Converter Curve Setting (R-Type Only) - Furuno FR-1500 MARK-3 Series User Manual

1.49 Enlarging Close-in Targets (R-type only)

All targets within the first range ring can be enlarged as follows:
1. Press the [MENU] key to open the menu.
2. Press the [5] key twice to display the ECHO SIG menu.
ECHO SIG
1. COLOR
2. CLTR SWEEP
3. SWEEP LEVEL
4. ENHANCE
ND
5. 2 ECHO
6. PULSE 1
7. PULSE 2
8. A/D CURVE
9. CNTR ENHANCE
0. REALTIME HU
3. Press the [9] key to select OFF or ON from the CNTR (Center) ENHANCE field as
appropriate.
4. Press the [ENTER/SELECT] key followed by the [MENU] key.

1.50 A/D Converter Curve Setting (R-type only)

You may select an A/D curve according to objective, referring to the table below. The default
setting is A.
1. Press the [MENU] key to open the menu.
2. Press the [5] key twice to display the ECHO SIG menu.
3. Press the [8] to select desired curve referring to the table below.
4. Press the [ENTER/SELECT] key followed by the [MENU] key.
A A lot of green but little red.
Noise is green in color.
B Between A and C.
C Little green but lot of red.
Fine noise.
Noise in yellow and red.
D Little green but lot of red.
Fine noise.
Noise in red.
YEL GRN *
OFF ON (LINK) ON(FIX)
1 2 3
OFF ON
OFF ON
A B C D
OFF ON
OFF ON
Float detection.
Reduce sea reflections.
General navigation.
Normal use: Useful for target
discrimination.
Long range detection.
Buoy detection.
Long range detection.
Buoy detection.
Longer range detection than C
*Color available on R-type
8., 9., 0. R-type only
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