194 Optional Flash UnitsWhen an SB-5000 is mounted on the cameraaccessory shoe as a master unit for radio flashcontrol, compatible remote flash units can becontrolled by radio signals (radio AWL) from aWR-R10 wireless remote controller.Establishing a Wireless ConnectionBefore using radio AWL, establish a wireless connectionbetween the WR-R10 and the remote flash units.1 C: Connect the WR-R10.Connect the WR-R10 to the camera. For more information,see the documentation provided with the WR-R10.2 C: Choose a channel.Set the WR-R10 channel selector tothe desired channel.Radio AWL Using the Controls on anSB-5000A The WR-R10Be sure to update the WR-R10 firmware to the latest version; forinformation on firmware updates, see the Nikon website for your area.