Salto ROM ProAccess 100 Software. 100 Users. Use with all Salto ROM Contact locksets, E-cylinders and Wall readers and XS4 Proximity Contactless when used in the Scaleable ROM mode. Intuitive, user friendly application enables easy setup and on-going administration. It offers a good range of features and tools that make it easy to control all the off-line door and user access rights for a property from one central location.