7.3.5. Transfer Unit Settings Set the parameters to send to the Serial Communications Unit. 30 1 From the Menu select [Controller] - [Operating Mode] - [PROGRAM Mode]. 2 The Confirm dialog is displayed. Click [Yes]. 3 In the [Controller Status] pane, [PROGRAM Mode] is displayed. 4 Double-click [CPU EXPANSION RACKS] under "Configurations and Setup" in the Multiview Explorer. Select the Serial Communication Unit at the top of the screen. Click [Unit Editor]. 5 The [0[Unit 0] : ] Tab is displayed. Click the [Transfer to Controller] Button.