Pressing the button splits the screen into two main digital categories: Navigation (Left Side - Green/Blue Icons)
Eclipse units are known for their (Advanced Sound Adjustment). The English manual provides the translation for the Japanese EQ terms:
General manual aggregators are hit-or-miss, but they are worth checking.
: The manual will describe GPS functions, but users often find that the pre-loaded Japanese maps and language settings cannot be easily changed to English even with an English guide. Comprehensive Setup
Uses SD cards for map data and system software, which improves durability against heat and vibration.