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Navitron Systems Ltd |
Autopilot
Type NT777
Technical Specifications |
| Supply Voltage | 11-40Vdc |
Progammable LCD
Display (75 x 53mm Control Panel Window): - |
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| Actual Heading | ° MAG or TRUE |
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| Power Consumption | 12v |
24v |
Set Course | ° MAG or TRUE |
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| Off | 4.2W
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4.3W
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Rudder Angle | Bar Graph and 2 Digit |
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| Standby | 4.6W |
4.8W |
Rudder Control | Setting Value (1 - 9) |
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| On | 5.1W |
5.3W |
Yaw Control | Setting Value (1 - 9) |
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| Illumination (max) | +1.5W |
+1.5W |
Counter Control | Setting value (1 - 9) |
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| XTE Track Mode | XTE Amount (nM) XTE Direction (Left/Right) Data Type Update (every 18secs) |
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| Solenoid Switch Ratings: - | |||||||||
Voltage |
11-40Vdc |
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Current |
5A
(max) |
HTS Track Mode | Heading to Waypoint
(xxx.x°) ErrorValue
(xxx° Left/Right) Data Type Update (every 18sec)
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| Switchline Polarity |
Installation
Selectable
(Common +ve or Common -ve) |
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| Switch Type |
Solid
State |
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| Autopilot Operating Mode Displays | |||||||||
| Operator Controls: - | Standby - Manual Steering | ||||||||
| Yaw | Select keypad + illum |
Autopilot Steering (On) | |||||||
Rudder |
Select keypad + illum |
Auto Track Steering |
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| Counter | Select keypad + illum |
Remote Auto Steering (other station on) | |||||||
| Autopilot Mode (Off/Standby & On Keys) | |||||||||
| Track | Keypad On/Off |
Off Course Alarm |
Program. 3-30 °/Off |
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| Autotrim | Keypad Off/Set |
Watch Alarm |
Program. 3-12 min |
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Illumination |
Variable Red
LED Backlight |
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Screen Display Alarm Messages:- |
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| Custom Turns:- | 33 in total including:- |
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| Dodge/Custom | Keypad selectable | D.BOX FAIL | COMM FAIL | ||||||
| +/- 1 / +/- 5 Deg | Keypad selectable | SET DAT FAIL | TRACK +/- 30 | ||||||
| Cancel/Confirm | Keypad selectable | +7V FAIL | STEER'G FAIL | ||||||
| +3.5V FAIL | COMPASS FAIL | ||||||||
| Heading
Input Sentences from GPS / Mag Compass etc: - |
REMOTE FAIL | HDT 1 FAIL | |||||||
| HCC 1 FAIL | HDM 1 FAIL | ||||||||
NMEA 0183 |
MAG |
GPS |
NO XTE DATA | HDG 1 FAIL | |||||
| NO HTS DATA | R.R.U. FAIL | ||||||||
XX HDM XX HDG XX HCC XX HDT |
XX
HDT XX HDM XX HDG XX HCC |
DATA ERROR | CPS.HI FAIL | ||||||
| LIM/SWT OPEN | CPS.LOW FAIL | ||||||||
| Diagnostic Mode Display Messages | |||||||||
| 9 Diagnostic Display Sets (step selectable) | |||||||||
| XTE Input Data (from GPS/Plotter etc.): - | |||||||||
| NMEA 0180 | CTE
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Mechanical | |||||||
| NMEA 0183 | XX APA, XX APB XX RMB, XX XTE |
Width | 192mm |
270mm |
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| Height | 120mm |
175mm |
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| Depth - (C/U behind bezel) | 48.4mm |
66mm |
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Heading to Steer Data (from GPS/Plotter):- |
Bezel Depth | 14mm
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N/A |
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| NMEA 0183 | XX HTC, XX HSC, XX APB |
Compass Safe Distance | 0.4m |
0.4m |
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| Weight | 1.2Kg |
1.5Kg |
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| Heading Output to Radars / Track Plotters etc. | |||||||||
1Hz |
11Hz |
22Hz |
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| NMEA
0183 Sentence types @ 1, 11 & 22Hz |
MAG |
APHDG
APHCC HCHDG HCHCC |
HCHDG HCHDM |
HCHDM |
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GYRO |
HEHDT AGHDT |
HEHDT |
HEHDT |
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| Furuno Format | Selectable 0.1° or 0.166° resolution | ||||||||
| Selectable 5Vpp or 11Vpp output | |||||||||
| Selectable 5Hz or 40Hz update rate | |||||||||
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