Finding the map version or to enable/disable a map set varies with the GPS model.
If the maps have been combined with gmaptool or SendMap the version might not show under the map set. You can only enable/disable map sets, not the individual maps in the set.
Nuvi & StreetPilot
go to Tools > Settings > Maps > Map Info, tick/untick the checkbox to enable/disable the map set
Garmin Mobile XT (not possible to enable/disable maps)
go to Tools > Manage My Data > Map Sets, select the map to see details
Handheld - 60 series/76 series
- Press MENU button twice to get to the Main Menu
- select Setup and press ENTR button to get to the Setup Menu
- select Map and press ENTR to get ot Map Setup
- use the rocker to go to Information (5th icon from the left)
- Scroll up or down and tick/untick the checkbox to enable/disable the set.