An imaging system, comprising: a gantry that is configured to define an examination region; a subject support, including: a tabletop that is configured to support an object or subject in the examination region for a scan of the object or subject; and a base that is configured to support the tabletop; a support frame that is configured to support the base, wherein the base is moveably affixed to the support frame and is configured to move between a plurality of predetermined locations, which are based on corresponding distances from the gantry; and a support frame drive system that is configured to move the base alternatively to one of the plurality of predetermined locations in response to the input signal indicative of the one of the plurality of predetermined locations, which corresponds to a location of interest for the scan of the object or subject, characterized in that the imaging system comprises an activation device that is configured to generate an input signal in response to activation by a user, wherein the activation device includes a different physical control for each of the one or more positioning algorithms providing instructions to move the base to different predetermined locations; and the support frame drive system comprises a support frame controller configured to drive a support frame motor that is configured to drive a mechanism for moving the base, wherein the support frame controller is configured to execute a selected one of the one or more positioning algorithms stored in a storage based on the input signal from the activation device. a gantry that is configured to define an examination region; a subject support, including: a tabletop that is configured to support an object or subject in the examination region for a scan of the object or subject; and a base that is configured to support the tabletop; a tabletop that is configured to support an object or subject in the examination region for a scan of the object or subject; and a base that is configured to support the tabletop; a support frame that is configured to support the base, wherein the base is moveably affixed to the support frame and is configured to move between a plurality of predetermined locations, which are based on corresponding distances from the gantry; and a support frame drive system that is configured to move the base alternatively to one of the plurality of predetermined locations in response to the input signal indicative of the one of the plurality of predetermined locations, which corresponds to a location of interest for the scan of the object or subject, characterized in that the imaging system comprises an activation device that is configured to generate an input signal in response to activation by a user, wherein the activation device includes a different physical control for each of the one or more positioning algorithms providing instructions to move the base to different predetermined locations; and the support frame drive system comprises a support frame controller configured to drive a support frame motor that is configured to drive a mechanism for moving the base, wherein the support frame controller is configured to execute a selected one of the one or more positioning algorithms stored in a storage based on the input signal from the activation device.