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SI-TEX T-721 // 741 // 740 COLOR LCD RADARS - Specifications |
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DISPLAY UNIT |
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Display |
6.5" LCD Color TFT |
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Resolution |
480 x 640 pixels |
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Quantization |
4 levels |
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Display Mode |
Head up, north up*, course up*, true motion** |
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Range Scales NM |
1/8, 1/4, 1/2, 3/4, 1, 1-1/2, 3, 6, 12, 24 // 36 // 48 |
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Range Rings NM |
1/16, 1/8, 1/4, 1/2, 1/2, 1, 2, 4, 8 // 12 // 12 |
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Off-centering |
Can be 100% off-centered over full range |
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Minimum Range |
Better than 25M on 1/8 NM range |
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Range Discrimination |
Better than 25M |
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Range Accuracy |
Better than ± 1 % |
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Tuning |
Automatic or manual |
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Echo Trail Interval |
Continuous, 15, 30 sec., 1, 3, 6 min. |
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Guard Zone |
Can be set at any desired distance and angle in any desired width. IN and OUT modes available |
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Alarm |
Entry or breakaway |
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Navigation Data Display |
Boat position (L/L,), speed, heading, range and bearing to waypoint, XTE |
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Other Functions |
Interference rejection, zoom, course error display, parallel cursors, Navigation data display, night display, POB key, ATA (optional) |
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Input Data Format |
NMEA-0183 |
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Power Requirement |
10.2~41.6V DC |
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Power Consumption |
45W // 55 W // 70 W or less |
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Temperature |
-13° to 131°F (Antenna) 32°to 131°F (Display) |
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Environmental |
Weatherproof |
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Case Dimensions/Weight |
9.5"H x 8.7"W x 3.9"D, (In Bracket) 8.7"H x 8.7"W x 3.9"D (Unit Only)
Weight 7.7 lbs. |
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*North up, course up mode: Bearing data from an electric compass, a gyro compass or a navigator is required.
**True motion: Speed data from a speed log, and bearing data from an electric compass, a gyro compass or a navigator is required. |
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ANTENNA UNITS -- RADOME (T-721/741) // OPEN ARRAY (T-740) |
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Scanner |
18" radome // 25" radome // 3.5 or 4.5ft Open Array |
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Peak Power Output |
2kW // 4kW // 4kW |
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Frequency |
9445 + 30 MHz // 9410 ± 30 MHz // 9410 ± 30 MHz |
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Beam Width |
Horizontal: |
6° // 3.9° // 2.5° (3.5'), 1.8° (4.5') |
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Vertical: |
25° // 25° // 22° |
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Pulse Length (μsec)
/PRF(Hz) |
S: 0.12/2000 // 0.08/2000 // 0.08/2000
M: 0.3/1500 // 0.25/1500 // 0.25/1500
L: 0.8/600 // 0.8/600 // 0.8/600 |
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Pulse Width |
0.08 - 0.8 μsec |
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IF Center Frequency |
60 MHz |
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IF Band Width |
Wide: More than 15MHz, 20MHz in average
Narrow: Less than 5 MHz, 2.5MHz in average |
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Receiver |
MIC |
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Modulator |
FET drive |
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Wind Velocity (relative) |
100 knots |
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Specifications subject to change without notice. |