Sony DVS-7300 System User Manual page 434

Setting the communications port linkage of the DME3 to DME6
buttons
Use the following procedure.
Note
It is not possible to link the DME3 and DME4 buttons to different
communications ports. The same applies to the DME5 and DME6 buttons.
1
In the PANEL PORT ASSIGN menu, press F1 (I/F SELECT).
The I/F SELECT menu appears.
F1 F2 F3
Function key indications in the I/F SELECT menu
2
To select the port assignment for the DME3 and DME4 buttons, press F4
(DME) or F5 (GPI), and for the port assignment for the DME5 and
DME6 buttons, press F7 (DME) or F8 (GPI).
F4/7 (DME): Link to the REMOTE2 and REMOTE3 ports.
F5/8 (GPI): Link to the GPI output ports.
3
Press F10 (EXEC).
This resets the control panel and changes the settings.
DME 3&4 DME 5&6
DME GPI DME
F4 F5 F6 F7
GPI EXEC
F8 F9 F10
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Chapter 13 Setup