Will not lock on position or on 2d or 3d or wass
I have the same problem. Don't waste your money. Almost any of the outboard antennas will fit the jack but I bought one and it did nothing for the iFinder H2OC. The antenna works fine with my DeLorme PN30 so if your H2Oc won't lock on satellites, it's toast and NO antenna will help.
Make sure that the WAAS (Wide Area Augmentation System) required box in Not checked on. There is only one satellite available to acquire the WAAS position lock at this time. Remove the check if one is there. Also, if you haven't used your handheld for more than a month, you need to turn it on and leave it in an open area of the sky to allow it time to receive any GPS satellite updates. These can take 2-3 hours for an Ifinder unit to receive. You should use your handheld every month for at least six hours to keep in up with satellite transmissions for better position locks. If these suggestions do not help, contact Lowrance Customer Service CST 8:30a-4:45pm 800-324-1356 for US based users.
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