Confirming Data Sentences - Furuno FMD-1712 Operator's Manual

4. Press or to bisect the target
selected at step 1 with the dot-dash line
and press the [MENU] key. Then, the
target shifts to 0 as below.
0.25
NM
.125
Figure 3-12 Bisecting target
5. As a final test, move the boat towards a
small buoy and confirm that the buoy
shows up dead ahead on the display
when it is visually dead ahead.
3) Sweep timing
Sweep timing depends on the length of the
signal cable between the radar and the
antenna. Adjust it so that a straight target is
not pushed or pulled as in the examples
below.
Target pushed
Correct
inward
Figure 3-13 Examples of improper and
correct sweep timings
1. Transmit on 0.125 or 0.25 nm range and
adjust the sensitivity and STC.
2. Visually select a straight echo (harbor
wall, straight pier).
3. Press and hold down
(about 10 second) to display the
installation menu.
4. Select ADJ TMG from the installation
menu.
Target
Heading
line
9.4
0.015
NM
Target pushed
outward
and together
5. While looking at the target selected at
step 2, straighten it by pressing
pulled inward, or
outward.
4) Unit of range measurement for
VRM and cursor
The unit of range measurement for the VRM
and the cursor may be selected to nautical
miles or kilometers as follows:
1. Select NM/KM from the installation
menu.
2. Select unit of range desired.
3. Press the [MENU] key to close the
menu.

3.5 Confirming Data Sentences

You can confirm which NMEA data
sentences are being output from a navigator
and/or echosounder to the remote display.
Follow step 1 in paragraph 3.4 to display the
maintenance menu. NMEA data sentences
being output to the remote display are
highlighted at the bottom of the menu. (Be
sure to power navigator and/or
echosounder to confirm sentences.)
if it is
if it is pushed
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