NorthStar 957 Operator's Manual page 19

The Navionics chart cartridge
must remain free from debris
and moisture at all times. To
ensure that you do not expose
the cartridge to any environ-
mental damage, please use
caution when changing the
cartridge. Be careful when
inserting the cartridge into the
957 (see description and illus-
tration at right). When you're
not using the cartridge, store it
in a clean, dry place away
from heat, humidity, and dust.
Improper handling and stor-
age of the cartridge may dam-
age the Northstar 957. Such
damage is not covered under
the 957 warranty.
957 Operator's Manual, Rev. B
then move the cartridge again, it may get stuck in an awkward
position.
Figure 1: Properly inserting a chart cartridge
Chapter 1 - Getting Started
Page 11