Furuno FR-2125V Manual De Usuario

The display range scale is changed by pressing the [+] and [-] keys. The selected range
scale and range ring interval are shown at the upper left corner on the screen. When a
target of interest comes closer, reduce the range scale so that it appears in 50–90% of the
display radius. The range scales are:

0.25–0.5–0.75–1–1.5–2–3–4–6–8–12–16–24–32–48–96 SM

The pulsewidth in use is displayed at the upper left-hand position of the screen using the
abbreviations shown in the table below.

Appropriate pulsewidths are preset to individual range scales and function keys. There-
fore, you are not usually required to select them. If you are not satisfied with the current
pulsewidth settings, however, it is possible to change them on the RADAR 1 menu as
shown in paragraph 1.12.2.

You can choose the pulsewidth 1 or 2 on the scales 0.5 to 24 SM ranges.

1. Press the [RADAR MENU] key to display the FUNCTIONS 1 menu.

2. Press the [6] key to select PULSE WIDTH 1 or 2 as appropriate.

3. Press the [RADAR MENU] key to close the FUNCTIONS 1 menu.

Table 1-1 Available pulsewidths

)

1

e

s

l

u

p

t

r

o

h

S

(

1

S

s

µ

7

0

.

0

)

2

e

s

l

u

p

t

r

o

h

S

(

2

S

s

µ

5

1

.

0

)

1

e

s

l

u

p

m

u

i

d

e

M

(

1

M

s

µ

3

.

0

)

2

e

s

l

u

p

m

u

i

d

e

M

(

2

M

s

µ

5

.

0

)

3

e

s

l

u

p

m

u

i

d

e

M

(

3

M

s

µ

7

.

0

)

e

s

l

u

p

g

n

o

L

(

L

s

µ

2

.

1

Pulsewidth 1 and 2 can be preset on the PULSE WD 1 and 2 menus. Shown below are
examples of the pulsewidth setup procedure.

1. To enable selection of S1 (0.07 

µ

s) and S2 (0.15 

µ

s) pulsewidth on the 0.5 SM range,

select S1 at 0.5 SM on the PULSE WD 1 menu and S2 at 0.5 SM on the PULSEWIDTH
2 menu.