Furuno FR-2125V Radar Detector User Manual


 
1-13
1.11 Selecting the Range Scale
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
1.12 Selecting the Pulsewidth
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.
1.12.1 Selecting pulsewidth 1 or 2
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
lebaLhtdiwesluP
)1esluptrohS(1Ssµ70.0
)2esluptrohS(2Ssµ51.0
)1eslupmuideM(1Msµ3.0
)2eslupmuideM(2Msµ5.0
)3eslupmuideM(3Msµ7.0
)eslupgnoL(Lsµ2.1
1.12.2 Presetting pulsewidth 1 and 2
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 µs) and S2 (0.15 µs) 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.