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Updating a unit

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sonar2000:
#1..Use a well charged battery. A/C converters can cause a problem if the a/c gets interrupted.
#2..only have 1 update on the card. And do not have the nav or map card in while updating.
#3..Follow the update step by step instructions to the letter. Wait for prompts before hitting any keys
#4..Have a downlevel copy stored where you can access it if needed. (on your computer)
#5..After the update goes successfully, bring your unit back up in small steps. (make sure it works in basic mode before putting in any waypoints or maps)

Topic is locked, if you have additions send to me via pm for inclusion.

Chuck

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