SI-TEX ColorMax 15 Chartplotter
$1,035.00
SI-TEX ColorMax 15 Chartplotter is a 15-inch GPS/WAAS chartplotter with a large daylight-viewable display, dual C-MAP card support, and Guardian grounding alerts. It is designed for larger helms that need more chart area and integration options.
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Overview SI-TEX ColorMax 15 Chartplotter
SI-TEX ColorMax 15 Chartplotter is a large-screen 15-inch chartplotter for operators who want more viewing area and navigation data on one display. The active matrix LCD combines 1024 x 768 resolution with 500 nit brightness to support readability on larger helm installations.
The unit pairs an ultra-fast processor with GPS/WAAS positioning, dual C-MAP card support, Guardian anti-grounding alerts, and storage for a large number of waypoints, routes, and track points. Two video inputs, second-station capability, multiple NMEA-0183 dataports, and optional fishfinder or radar expansion make it well suited to more complete bridge systems.
Key Features
- 15-inch active matrix color LCD with 1024 x 768 resolution and 500 nit brightness provides a broad charting workspace.
- GPS/WAAS 18-channel receiver supports accurate positioning for route and waypoint navigation.
- Dual C-MAP card slots expand charting flexibility for different cruising areas.
- Stores up to 3000 waypoints or marks, 50 routes, and 5000 track points for extensive navigation history.
- Guardian anti-grounding, Depth Graph input, Tide Info, Find, GOTO, and MOB functions support practical operation underway.
- Two video inputs, second-station capability, and multiple NMEA-0183 dataports broaden integration with other onboard electronics.
Applications
- Bridge and pilothouse installations that benefit from a large dedicated charting screen.
- Vessels running longer coastal or offshore passages with heavier route and waypoint use.
- Systems that need to integrate cameras, radar, fishfinder modules, or other navigation electronics.
Specifications
| Display | 15-inch active matrix color LCD |
| Resolution | 1024 x 768 |
| Brightness | 500 nit |
| GPS receiver | GPS/WAAS 18-channel receiver |
| Chart compatibility | C-MAP MAX with dual C-Card slots |
| Memory | 3000 waypoints/marks, 50 routes, 5000 track points |
| Navigation features | Guardian anti-grounding, Tide Info, Find, GOTO, MOB |
| Video input | Two inputs |
| Connectivity | Multiple NMEA-0183 dataports |
| Construction | Weatherproof |
What’s Included
- Owner’s manual
- Mounting bracket
- Power cable
- External antenna
Frequently Asked Questions About SI-TEX ColorMax 15 Chartplotter
Who is the SI-TEX ColorMax 15 Chartplotter intended for on board?
SI-TEX ColorMax 15 Chartplotter is designed as a helm navigation display for mariners who need clear chart viewing and reliable onboard integration. Its 15-inch display and preloaded C-MAP coverage for lakes, rivers, and coastal routes support route planning and day-to-day navigation, while the stated processing platform helps keep helm use responsive.
How does this chartplotter handle screen readability and speed?
This chartplotter centers navigation around a 15-inch display that gives chart data enough working space without overcomplicating operation. The processor is intended to keep chart browsing and panning responsive during routine navigation.
Can this display work as part of a wider helm system?
This chartplotter is intended to work within a broader electronics layout by supporting camera input support, radar connectivity where stated, and WAAS-enabled GPS positioning. This gives the display a stronger role as a central charting screen when other sensors or onboard data also need to be viewed at the helm.
Who is this display most relevant for?
This chartplotter is most relevant for cruising boats and general navigation helms who need a dependable navigation screen at the helm. Its preloaded C-MAP coverage for lakes, rivers, and coastal routes also helps reduce setup time for boats that want charting ready from the start.

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