You may need to combine it with an Fn key. See https://www.addbalance.com/word/functionkeys.htm#hijackedFnKeys.
Here is my full web page on function keys in Word.
https://www.addbalance.com/word/functionkeys.htm
Here is my list of keyboard shortcuts dealing with fields.
https://www.addbalance.com/usersguide/fields.htm#Function