2 controlling via the osd menu, 1 connecting to the vp-460 via rs-232, Controlling via the osd menu – Kramer Electronics VP-460 User Manual
Page 43: On 7.2.1, On 7.2

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VP-460 - Controlling the VP-460
7.2
Controlling via the OSD Menu
You can change PiP Window parameters, main window parameters and entire
system parameters via the OSD menu, as described in
Section 5
7.2.1
Connecting to the VP-460 via RS-232
You can connect to the
VP-460 via an RS-232 connection using, for example, a PC.
Note that a null-modem adapter/connection is not required.
To connect to the
VP-460 via RS-232, Connect the RS-232 9-pin D-sub rear panel
port on the
VP-460 unit via a 9-wire straight cable (only pin 2 to pin 2, pin 3 to pin 3,
and pin 5 to pin 5 need to be connected) to the RS-232 9-pin D-sub port on your PC