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NMEA sentences output by the Colorado series

The Colorado series handhelds can output the following NMEA 0183 sentences:

  • GPAPB
  • GPBOD
  • GPBWC
  • GPGGA
  • GPGLL
  • GPRMC
  • GPRMB
  • GPVTG
  • GPXTE
  • HCHDG
  • PGRME
  • PGRMZ
  • PGRMM

To enable or disable certain NMEA 0183 sentences on the Colorado, please follow these instructions:

  1. With the device powered ON, press the top right button
  2. Choose Setup
  3. Choose System
  4. Press the top left button labeled Options
  5. Choose Advanced NMEA Setup

Once inside the Advanced NMEA Setup there are multiple options.

  • NMEA Sentences will allow you to turn toggle groups of sentences
    • Status will turn toggle the sentences GPGSA and GPGSV
    • Wpts/Routes will toggle the sentences GPRTE and GPWPL
    • GRMN Proprietary will toggle the sentenced PGRME, PGRMM, and PGRMZ
  • Autopilot Mode will toggle these sentences:  GPRMC, GPRMB, GPAPB, GPBWC, and GPXTE

For more information about the Garmin proprietary sentences, please visit this link.

With regards to the USB cable pin outs, the powered wire harness will contain a wiring diagram.