GPSMAP 2106/2110 Owner’s Manual 83APPENDIX > INSTALLING AND REMOVING DATA CARDSInstalling and Removing Data CardsThe GPSMAP 2106/2110 uses optional Garmin BlueChart® and MapSource® datacards. You can use optional preprogrammed BlueChart g2™ data cards.Insert data cards in the card slots located on the left side of the unit. You caninstall or remove data cards at any time, whether the unit is on or off.To install a data card:1. Open the card door by pressing the locking tab on the door toward theoutside (left) of the unit and lifting the door open from right to left.2. Insert the card into the slot, with the label facing to the right and the handlefacing toward you.3. Push the card into the unit. It in not necessary to force the card, andabout 1/2" is still exposed when it is properly inserted. If the unit is on, aconfirmation tone sounds, and a message appears on the screen notingthe card details when the card is properly installed and accepted.4. Close the cover until it locks.If you insert a data card and receive a “card format not recognized” message,remove the card and reinsert it. If the card is still not recognized, contact GarminProduct Support or your Garmin dealer for assistance.NOTE: Data cards are not waterproof, should not be exposed to moisture orexcessive static charges, and should be stored in the case supplied with thecard.The first time you insert a data card, the unit takes a few seconds to read thecard. After the data card is read, a summary page appears. Press ENTER toacknowledge.To remove a data card:1. Open the card door by pressing the locking tab on the door toward theoutside (left) of the unit and lifting the door open from right to left.2. Grasp the card handle, and pull out firmly.3. If the unit is on, a confirmation tone sounds when the data card isremoved.