Pioneer DVD-V5000 RS-232C - Manual (Page 78)

DVD-V5000 DVD Player
RS-232 Command Protocol
9.2 Function User Setting
Function assignment for Numbers1 through 30 can be changed in Advanced
Setup.
The procedure is given below for an example of GROUP 3 setting change to
“MENU”.
Open ADV SETUP and switch EXTEND TERMINAL to User and press Enter.
And then the following window opens.
DOWN button to select "GROUP 3"
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