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Appendix B
Installing and Removing
Data Cards
Once the data card has
been read, a summary
screen appears. Press
ENTER to acknowledge.
Installing and Removing Data Cards
The GPSMAP 188/188C/238 Sounder uses optional Garmin marine BlueChart and MapSource
data cards to display digital charts and maps on-screen. You may also transfer user data to data cards
(pg 82) Data cards are installed in the card slot located at the bottom right of the unit. Data cards may
be installed or removed at any time, whether the unit is on or off.
To install a data card:
1. Open the card door by pressing together on the two handles at the bottom of the door and lifting it
up and open.
2. Insert the card into the slot, with the label facing front and the handle bottom.
3. Firmly push the card into the unit. It in not necessary to force the card and about 1/2” will still be
exposed when it is properly inserted. If the unit is on, a confi rmation tone sounds and a
message displays on the screen noting the card details when the card has been properly installed
and accepted.
4. Close the cover.
If you insert a data card and get a ‘card format not recognized’ message, try removing the card and
reinserting it. If the card is still not recognized, contact the Garmin or your Garmin dealer for assis-
tance. Data cards are not waterproof, should not be exposed to moisture or excessive static charges,
and should be stored in the case supplied with the card.
To remove a data card:
1. Open the card door by pressing together on the two handles at the bottom of the door and lifting it
up and open.
2. Grasp the card handle at the bottom and pull down fi rmly.
3. If the unit is on, a confi rmation tone will sound when the data card has been removed.
The fi rst time you insert
a data card, the unit will
take a few seconds to read
the card.
188188C238 Manual Part 2.indd 100 6/30/2003, 3:32:45 PM