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| Technical specifications |
| Microprocessor | ARM9 S32442MSP3 300 Mhz | ARM9 S4C2410 Samsung 300 Mhz | ARM9 S32442MSP3 300 Mhz |
| Display | 5" Colour LCD | 7” (16:9 format) Colour LCD | 7” TFT LCD Colour |
| Resolution | 240x320 | 480x234 | WVGA 800x480 |
| Power supply | 10-35 Vdc | 10-35 Vdc | 10-35 Vdc |
| Power consumption | 6W (0.5 A@12V) | 7.5 W (0.63 A @ 12V) | 11W (0.9 A @ 12 V) |
| Cartridge | 1xC-Card | 1xC-Card | 1 x SD-Card |
| Rotation | North-up, Track-up, Course-up | North-up, Track-up, Course-up | North-up, Track-up, Course-up |
| Operating temperature | 0-55 °C | 0-55 °C | 0-55 °C |
| Weight | T-50.02: 550g, T-55.02: 600g | 1100g | 1300g |
| Installation | bracket, panel or flush mounted | bracket, panel or flush mounted | bracket, panel or flush mounted |
| Weather overlay | yes | yes | yes |
| Second station repeater | yes | yes | yes |
| Guardian Technology | yes | yes | yes |
| Dimensions | no | W 152.4 H 91.4 mm | W 152.4 H 91.4 mm |
| Contrast ratio | no | no | 300 |
| Apparent wind functioning | no | no | AWD, AWS |
| Connectors |
| I/O | 3 x Nmea 0183 ports | 3 x Nmea 0183 ports | 5 x Nmea 0183 ports |
| USB | 1 x For internal use only | | no |
| GPS | 6 pin (T50.02) | | no |
| Power I/O | 8 pin | Quick disconnecting bracket | Quick disconnecting bracket |
| Video input | no | no | 1 x PAL or NTSC composite video |
| Aux I/O | no | no | 1 x 8 pins connector |
| Functions |
| BBFF compatible | yes | yes | yes |
| AIS / DSC | yes | yes | yes |
| WAAS/EGNOS/MSAS compatible | yes | yes | yes |
| Worldwide Background Cartography | worldwide coverage with 2 Nm zoom range | worldwide coverage with 2 Nm zoom range | worldwide coverage with 2 Nm zoom range |
| Sunlight viewable Display | yes | yes | yes |
| C-Cards Slots | 1 | 1 | 1 |
| MOB (Man Over Board) | yes | yes | yes |
| Time to Destination | yes | yes | yes |
| Distance to Destination | yes | yes | yes |
| Selectable track color | yes | yes | yes |
| Compass Calibration | yes | yes | yes |
| Tide Info | yes | yes | yes |
| Port Info | yes | yes | yes |
| Navigation Info | yes | yes | yes |
| Find Tide Station | yes | yes | yes |
| Find Port | yes | yes | yes |
| Find Wrecks | yes | yes | yes |
| Find Obstructions | yes | yes | yes |
| User Points | 5000 | 10000 | 10000 |
| Routes | 25 | 50 | 50 |
| Max User Points per Route | 5000 | 10000 | 10000 |
| User Points Icons | 16 | 16 | 16 |
| Tracks | 5 | 5 | 5 |
| Trackpoints | 5000 | 10000 | 10000 |
| Automatic Info on cartographic objects | yes | yes | yes |
| Arrival Alarm | yes | yes | yes |
| XTE Alarm | yes | yes | yes |
| Anchor Alarm | yes | yes | yes |
| Depth Alarm | yes | yes | yes |
| Grounding Alarm | yes | yes | yes |
| Grounding Depth Limit | yes | yes | yes |
| Grounding Alarm Range | yes | yes | yes |
| Simulation Mode | yes | yes | yes |
| Depth Graph Page (Split & Full) | yes | yes | yes |
| 3D Road Page | yes | yes | yes |
| GPS Status Page | yes | yes | yes |
| GPS Data Page | yes | yes | yes |
| User Points List Page | yes | yes | yes |
| About Page | yes | yes | yes |
| RADAR compatible | no | yes | yes |
| Radar Page (Split, Full & Overlay) | no | yes | yes |
| Wind Functions | no | yes | yes |
| Video Camera | no | no | yes |
| GOTO key | no | no | yes |
