How do I turn unused channels on my HI 3030 from on to off?

From the Keypad:
1. From the screen displaying weight, press the up or down button until the arrow ">" on the screen is on the channel you wish to change.
2. Press "Setup" (button #3).
3. Press the down button to "Setup" then press "Enter"
4. Press the down button to "This channel is" (On or Off)
5. If the channel is OFF, press the Right Arrow (>) once and ON will be displayed. If the channel is ON, press the Right Arrow (>) once and OFF will be displayed.
6. Now press "Enter" and the channel is changed.

From the web browser:
1. From the Instrument Home Page, click "Configuration".
2. From the Configuration page, click "Options".
3. From the Configuration - Options page, click "Smart diagnostic card configuration".
4. From the Configuration - Scale/Channel Card page, select either ON or OFF from the channel converter you wish to change.
5. Click "Save Parameters".