User's Manual
Table Of Contents
- General Safety Precautions
- List of Contents
- 1 Overview
- 2 Basic Settings; General Remarks about Operating
- 3 PPI Settings
- 3.1 Screen Stabilisation of the PPI: True Motion, Relative Motion
- 3.2 PPI Orientation: Head-Up, North-Up, Course-Up
- 3.3 Centering / Off-Centering of the Display (Center, Off-Center)
- 3.4 Range Selection (Range)
- 3.5 Range Rings, Grid
- 3.6 Own Ship Symbols and Target Symbols, Vectors, Past Position Plots
- 3.7 Trails
- 3.8 Setting the Display of Pre-planned Tracks
- 3.9 Defining the System Track and the Next Waypoint; System Track Display
- 3.10 Setting the Display of User Chart Objects on the RADARPILOT
- 3.11 Setting the Display of Charts and User Chart Objects on the CHARTRADAR
- 3.12 Setting the Display of the Map
- 3.13 Adjusting the Chart or Map to the Radar Video
- 4 Setting the Radar Function
- 4.1 Radar Function On/Off, Interswitch Functions, Master/Slave Switch-Over
- 4.2 Basic Setting of the Radar Video
- 4.3 Selection of the Antenna Revolution Rate
- 4.4 Radar Setting for High Speed of Own Vessel (HSC)
- 4.5 Radar Setting for the Display of RACON Codes
- 4.6 Radar Setting for SART Detection (X-Band only)
- 4.7 Suppression of the Synthetics and Video
- 5 Heading, Speed, Position
- 6 Bearing and Range
- 7 ARPA Functions
- 7.1 Symbols Used
- 7.2 Procedure of the Target Acquisition
- 7.3 Manual Target Acquisition
- 7.4 Automatic Target Acquisition; Settings of the Acquisition/Guard Zone
- 7.5 Deletion of Targets, Loss of Target
- 7.6 Target Data Display
- 7.7 Target Labels
- 7.8 Selecting the Reference Targets for Reference Target Tracking
- 8 EPA Functions (Electronic Plotting Aid)
- 9 Collision Avoidance (TCPA, CPA)
- 10 Trial Manoeuvres
- 11 Editing of Pre-planned Tracks
- 12 Editing the Map
- 13 Displays in the Multidisplay
- 14 Quick Info Box
- 15 Evaluation of the Radar Video
- 16 The Radar Keyboard
- 17 Alarm Management
- 18 List of Alarms
- 19 List of the Alarm Signal Outputs
- 20 Care and Maintenance Work
- 21 Performance Monitor
- 22 System Maintenance Manager
- 22.1 Determining the Versions of Software, Hardware and Documentation
- 22.2 Listing the System Faults
- 22.3 Off-Line Selfcheck
- 22.4 Checking / Correcting the Computer Time
- 22.5 Distribution and Deletion of Map Data; Data Saving
- 22.6 Exchanging Track Files between the Indicators; Data Saving
- 22.7 The Handling of Diskettes
- 22.8 Aborting and Restarting the Program of the Radar System
RADARPILOT / CHARTRADAR
ED 3038 G 232 / 01 (2002-06)
Operating Instructions
5 Heading, Speed, Position
5.3 Position Sensor
b_r1_e23.fm / 21.06.02
62
Check of the Accuracy of the Position Data
In the PPI, any inaccuracy in the position data causes displacement between
- the own ship symbol and the radar video on the one hand, and
- the tracks and the maps on the other hand.
The position used by the radar is normally accurate enough if the symbols of a map that may have been
generated for this purpose coincide with the videos of the radar targets when the display range is set to
a small value.
Correction of a Constant Position-Error (Position Offset)
If the displayed position is incorrect, the videos of fixed point-targets (e.g. buoys) do not coincide with the
symbols of these targets that are entered at the correct positions in a map. The position error is corrected
manually by making the video of a fixed target coincide with its map symbol:
1. Switch on a sufficiently small radar range.
2. Click on the ADJUST button. By flashing, the button indi-
cates that the cursor in the PPI now has a special func-
tion.
3. Click on a map symbol whose radar echo is clearly recog-
nisable and identifiable.
If the cursor is now moved, the distances of the cursor
position from the clicked symbol in the north/south and
east/west directions are displayed behind the ADJUST
button.
4. Click on the radar echo of the map symbol on which you have clicked. As a result, the correction
values displayed behind the ADJUST button (= position offset) take effect and is added to the posi-
tion of the sensor.
☞ The entire track and map synthetics move by an amount equal to the position offset. The posi-
tion offset that is entered continues to be displayed behind ADJUST.
1)
☞ In this way, each direction can be corrected by up to 999 m.
1)
5. Check that the other symbols of the map too now coincide as well as possible with their radar
echoes. If necessary, processes 2 to 4 can be repeated on the basis of the position offset that exists
at that time.
☞ If the entire video has a rotational displacement relative to the map, this indicates that there is
probably a compass error. Either the synchronisation with the compass system is inadequate
(this must then be corrected – see page 57) or the compass system itself has a static or
dynamic course error. This should, if possible, be corrected in the compass system.
Deleting the Position Offset
The position offset is deleted automatically as soon as a
different position-sensor is selected.
The position offset is deleted manually by clicking on the
ADJUST button by means of the MORE key and by then
clicking RESET ADJUST by means of the DO key.
1)
If the EP position is being used, the position data are modified by an amount equal to the position offset. No limitation takes place.
DO
POS
LAT
LON
COG
SOG
55:35. 285 N
008:36.437 W
51.6 °
18.3 NM
GPS1
ADJUST
–– – ––
–– – ––
REF
RADAR
ADJUST
135 N
368 E
1.MORE
RESET ADJUST
2.DO
ADJUST
– – – –
– – – –
m
m