Lowrance electronic Lowrance iFINDER H2O C - Manual (Page 87)

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You can benefit from switching back and forth between North Up and
Track Up settings, depending on the circumstances. If you are in an
area you know fairly well, run the unit in North Up. But when you are
in unfamiliar territory and want to instantly coordinate your sur-
roundings with what is displayed on the screen, switch to Track Up.
Try all three modes to find what works best for you.
To change map orientation from the Map Page, press MENU |
↓ to
M AP O RIENTATION
| ENT . Press
↑ or ↓ to select an orientation option, then
press EXIT | EXIT to return to the main page display.
Map Menu (left) with Map Orientation menu (right).
Navionics

Charts
Your unit can display Navionics

electronic charts on MMCs. Both the
GOLD
 and CLASSIC format charts are accepted. They work just
like a MapCreate custom map on an MMC.
Entrance to Aransas Pass in a MapCreate 6 custom map, 4-mile zoom
(left). Remaining images (left to right): same position on Navionics
GOLD
 chart at 8-mile, 4-mile and 1-mile zoom ranges.
WARNING:
You should never format the MMC containing your
Navionics chart. Formatting the MMC will permanently
erase the chart from the card.