The DO (Digital Output) function of CF-4700 can be used for sync the VC-3200.
 Select “Analysis Done” on the Status Out of DO setting and connect the output to the GATE IN of the VC-3200.

Select the Analysis Done on the DO setting of the CF-4700

Connect the STATUS OUTPUT on the real panel of the CF-4700 to the GATE IN of the VC-3200/2200 as the above figure.