Overview

: Displays 5 lines, including specific "Navigation data" entries. 2. The Official "Download" Method

Q: Can I use a 32GB SD card for RNS 310 maps?

A: Yes, but only if formatted FAT32. However, maps never exceed 8GB. 16GB is the sweet spot.

  1. The unit will reject it (error: “No navigation data found” or “Invalid card”).
  2. The system may lock you out temporarily.

RNS 315

: Shows 5 lines of information and has an internal hard drive where maps are stored . 2. Official Update Process

. Newer maps for 2024-2025 are generally not available for this older hardware. Availability

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