1. INSTALLATION & WIRING
1-11
• [
Main/Sub Radar
]: Set up the FR-10/12 display units as main or sub.
See section 1.4.3 for details.
• [
NMEA LAN Output
]: Enable/disable the output of NMEA sentences to the LAN
network.
Note:
When two display units on the same network are set as main display units,
turn off either one or the other.
• [
TTM Output Setting
]: Set the output format for TTM sentences. Select [Normal]
for output to external equipment using NMEA0183 V4.1 or later. Select [Legacy] for
external equipment using serial input.
[Normal]: Output "TT number: 01-99, 100" as "TTM: 01-99, 00".
[Legacy]: Output "TT number: 01-99, 100" as "TTM: 01-99, 100".
• [
Own Ship Length
]: Set the length of your vessel. This is normally completed at in-
stallation.
• [
Own Ship Beam
]: Set the beam (width) of your vessel. This is normally completed
at installation.
• [
RV. Alert Hysteresis
]: Sets the history effect duration of the Risk Visualizer.
• [
Demo Mode
]: Normally, set to [Off]. To view simulated radar data, select [Internal].
If a USB flash memory containing compatible radar data is connected, the USB data
is automatically selected for demonstration.
• [
Demo Echo Type
]: Select the type of radar antenna to use for the simulation. This
selection is only applied if [Demo Mode] is set to [On] and only affects the demon-
stration.
Note:
When [DRS X-Class] is selected, the demo echo (normal echo) of DRS X-
Class is displayed. When [DRS-NXT] is selected, the demo echo of the DRS-NXT
target analyzer is shown (For NXT, the Target Analyzer echo is fixed instead of the
normal echo).
• [
Antenna Rotation
]: Select [Rotate] to rotate the antenna and transmit radar puls-
es. The [Stop] setting, which transmits radar pulses without rotating the antenna, is
for use by the service technician.
• [
Rotation Speed
]: Set the rotation speed of the antenna unit. This menu item is in-
tended for service technicians only; do not change this setting.
• [
STC Range
]: Set the range from which Near STC (Sensitivity Time Control) is ap-
plied. Unavailable with the .
• [
Near STC Level
]: Set the STC level. Sets the slope of the STC curve for short dis-
tances, from 1 to 4, where the slope becomes steeper and closer clutter is sup-
pressed to a greater extent.
• [
A/C Auto Adjust
]: Set the amount of adjustment to be automatically applied to the
anti-clutter features (A/C Rain and A/C Sea). This adjustment is applied before the
operator’s adjustments. Unavailable with the /DRS-NXT series.
• [
Sweep Timing
]: This adjustment gives correct radar performance on short ranges.
The radar measures the time required for a transmitted echo to go to the target and
return to the source. The received echo appears on the display according to the
measured time. The sweep must start from the center of the display.A trigger pulse
created in the display unit goes to the antenna unit through the signal cable to acti-
vate the transmitter (magnetron). The time taken by the signal to move to the anten-
na unit changes, according to the length of the signal cable. During this period, the
display unit must wait before the radar starts the sweep. When the display unit is
not adjusted correctly, the echoes from a straight object will not appear as a straight
Содержание FR-10
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