Garmin Venture Cx Can I Install Both The Topo Map Aswell As Metro?

I have a Garmin eTrex Venture CX, I already have TOPO map installed in the SDcard. Need help from an experienced Venture CX user.
Q1) Can I install both the Topo map as well as the Metro guide in the same GPS and have them both running and available for use any time I need them?
Q2) Does the Metro Guide allow you to search an address and waypoint it from the GPS?

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