To control VP-440 via RS-232:
1. Connect your controlling device (e.g., PC) to the Input Select connector
(see Connecting the VP-440 via the INPUT SELECT Terminal Block Connector
on page 10).
2. Click RS-232 on the Navigation List.
The RS-232 page appears.
3. Set Use RS-232 Port for control of to Scaler.
4. For API details, see Protocol 3000 on page 42.
Controlling an External Device via the RS-232
Terminal Block Connectors
To control an external device via RS-232:
1. Connect your external device to the CTRL connector (see Connecting to the VP-440
via RS-232 on page 11).
2. Click RS-232 on the Navigation List.
The RS-232 page appears.
3. Set Use RS-232 Port for control of to External Device.
4. Set RS-232 External configuration parameters.
5. Add a command:
a. Create a command name and description.
b. Add a trigger (On, Off, Sync/Clocks, No Sync/No Clocks).
c. Select the delay time.
d. Click Add.
6. Check Enable.