
SP - 2
3. RADAR FUNCTION (OPTION)
(1) Color
3 colors or 8 levels of tone selectable
(2) Range scales
0.125, 0.25, 0.5, 0.75, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 64, 72, 96, 120
(3) Off-center
Cursor position off-centered
(4) Minimum range
Radar range + 11.6 m
(5) Range Accuracy
Radar Ac 11.6 m
(6) Bearing Accuracy
±1º
(7) Other Functions
Echo trail, Interference Rejection
4. GPS RECEIVER (GP-280/380/680 ONLY)
(1) Receiving Channels
12 channels, 12 satellite tracking, Parallel tracking
(2) Rx Frequency
1575.42 MHz
(3) Rx Code
C/A code
(4) Position Fixing System
All in view, 8-state Kalman filter
(5) Position Accuracy
Approx. 10 m, 95% of the time,
horizontal dilution of position (HDOP)
≤
1
Note: All GPS receiver are subject to degradation of position and
velocity accuracy under the U.S. Department of Defense.
Position may be degraded.
DGPS: Approx. less than 5 m, 95% of the time
(6) Tracking Velocity
900 kts
(7) Position-fixing Time
Warm start: 12 seconds, Cold start: 90 seconds
(8) Position Update Interval
1 second
(9) DGPS Data Receiving
RTCM SC-104 Ver 2.1 formatted
5. DATA I/O
(1) I/O Port
NAVAID 2 port, Auto-pilot, Log, GPS buoy
(2) Input Data Sentences (NMEA0183 Ver. 1.5/2.0)
Own Ship’s position (GP)
RMC>RMA>GLL>GGA
Own Ship’s position (others)
RMA>RMC>GLL>GGA
Bearing and Ship’s speed (GP)
RMC>RMA>VTG
Bearing and Ship’s speed (LC, LA, DE, DR, OM)
RMA>RMC>VTG
Date and Time
**ZDA
Depth **DPT>**DBT
Water temperature
**MTW
Wind Speed and Direction
True: **MWV (T)>**VWT>**MDA
Apparent: **MWV (R)>**VWR
Water current speed and Direction **CUR>**VDR
Содержание GD-280
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