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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
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6.5" LCD Color TFT
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Resolution
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480 x 640 pixels
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Quantization
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4 levels
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Display
Mode
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Head up, north up*, course
up*, true motion**
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Range
Scales NM
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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
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1/16, 1/8, 1/4, 1/2, 1/2,
1, 2, 4, 8 // 12 // 12
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Off-centering
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Can be 100% off-centered
over full range
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Minimum
Range
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Better than 25M on 1/8 NM
range
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Range
Discrimination
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Better than 25M
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Range
Accuracy
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Better than ± 1 °
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Tuning
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Automatic or manual
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Echo Trail
Interval
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Continuous, 15, 30 sec., 1,
3, 6 min.
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Guard Zone
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Can be set at any desired
distance and angle in any desired width. IN and OUT modes available
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Alarm
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Entry or breakaway
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Navigation
Data Display
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Boat position (L/L,),
speed, heading, range and bearing to waypoint, XTE
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Other
Functions
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Interference rejection,
zoom, course error display, parallel cursors, Navigation data display,
night display, POB key, ATA (optional)
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Input Data
Format
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NMEA-0183
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Power
Requirement
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10.2~41.6V DC
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Power
Consumption
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45W // 55 W //
70 W or less
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Temperature
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-13° to 131°F (Antenna)
32° to 131°F (Display)
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Environmental
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Weatherproof
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Case Dimensions/Weight
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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
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18" radome //
25" radome // 3.5 or 4.5ft Open Array
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Peak Power
Output
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2kW // 4kW //
4kW
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Frequency
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9445 + 30 MHz //
9410 ± 30 MHz // 9410 ± 30 MHz
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Beam Width
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Horizontal:
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6° // 3.9° //
2.5° (3.5'), 1.8° (4.5')
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Vertical:
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25° //
25° // 22°
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Pulse
Length (µsec)
/PRF(Hz)
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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
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0.08 - 0.8 µsec
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IF Center
Frequency
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60 MHz
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IF Band
Width
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Wide: More than 15MHz,
20MHz in average
Narrow: Less than 5 MHz, 2.5MHz in average
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Receiver
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MIC
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Modulator
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FET drive
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Wind
Velocity (relative)
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100 knots
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Specifications
subject to change without notice.
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