The Ranger was left in a place where it could be bumped during next week's activities (near the crawl-space to access the inside of the "L" of the IFO on the Yarm). It has been moved a meter or so to a safer place.
Also, so that Steve can replace the battery in the SR560 that is used for the Ranger, I swapped it out with one of the ones which already has a new, charged battery. All of the settings are identical. For posterity, I took a pic of the front panel before unplugging the old SR560.