Furuno FCR-2107 series, Operator'S Manual

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2. Radar Operation
2-19
2.13 Pulse Length
The pulse length in use is displayed at the upper-left position of the screen using the indications shown in the table
below.
Label and pulse length
Indication Pulse length (µs)
S1 (Short pulse 1) 0.07
S2 (Short pulse 2) 0.15
M1 (Medium pulse 1) 0.3
M2 (Medium pulse 2) 0.5
M3 (Medium pulse 3) 0.7
L (Long pulse) 1.2
Appropriate pulse lengths are preset to individual range scales and function keys. If you are not satisfied with the
current pulse length settings, you can change them as shown below.
2.13.1 Choosing pulse length
You can select the pulse length for the 0.5 to 24 nm range scales as below.
1. Use the trackball to select the PICTURE box at the left side of the screen.
2. Push the right button to show the PICTURE menu.
3. From the Pulse window, select the option of the range for which you want to adjust pulse length, spin the
scrollwheel to choose setting then push the scrollwheel.
4. Click the Close window button (X) to finish.
2.13.2 Changing pulse length
1. Use the trackball to select the PULSE box at the left side of the screen.
XX=Pulse length setting
PULSE XX
2. Push the left button to shorten the pulse length or the right button to widen the pulse length. You can also select
the pulse length by spinning it pushing it to confirm selection.