Specifications
Displays
The following data can be displayed on the TFT LCD:
- Gyro 1 heading
- Gyro 2 heading
- Gyro 3 heading
- Magnetic compass heading
- Speed, manual or auto (when provided)
- Position in lat. and lon. (when provided)
- Date and time, manual or auto (when provided)
- Alarms
- Heading difference alarm threshold
- Off heading alarm threshold
- North speed error correction
Data Inputs
- Three gyrocompass headings: NMEA 0183 or PLATH protocol
- One magnetic heading, analogue: sine / cosine from fluxgate
- One magnetic heading, serial: NMEA 0183, PLATH protocol or NAVIPILOT protocol
- Autopilot set heading: NMEA 0183 or NAVIPILOT protocol
- Speed, position, time and date, magnetic variation from GPS: NMEA 0183
Signal and Status Inputs
- Magnetic compass heading from fluzgate (sine, cosine)
- Steering mode status (auto / man)
- External alarm acknowledgement ststus (mute)
- Heading offset 180°
- External dim
Alarm and Status Outputs
| Power failure / general alarm |
through potential-free |
|
| Heading difference alarm |
relay contacts rated |
|
| Off heading alarm |
30 W max. or 125 V, 1A |
|
| Watch alarm timer reset |
|
|
Type Approval
| NAVITWIN IV has been approved by Germanischer Lloyd to the Marine Equipment directive (MED) 96 / 98 / EC (Wheelmark) and fulfills IMO Resolution A.694 (17) as well as IEC 60945, IEC 61162 and NMEA-0183. |
Environmental Requirements and EMC
in accordance with EN 60945 (IEC 945 +A1)
| Magnetic clearance to: |
standard magnetic compass |
0.7 m |
|
steering magnetic compass |
0.4 m |
| Reduced magnetic clearance to: |
standard magentioc compass |
0.45 m |
|
steering magnetic compass |
0.30 m |
| Ambient temperature range: |
operation |
-15°C to +55°C |
|
storage |
-25°C to +70°C |
