If you wish to use Sanction II with Summation as an image viewer, copy the Sanction II.idf file located in the program directory to your Summation program subdirectory.
From Summation's Options menu, select Imaging Connection and then select Sanction II.
IMPORTANT - You must have DDE enabled in Sanction II prior to setting up the imaging connection in Summation. Set the DDE option from the General Options Setting.