Vivotek RX9401 User Manual page 22

VIVOTEK - Built with Reliability
PTZ control panel for ordinary
PTZ type
5. Why live view is unavailable?
The default live view receives a camera's stream #1. If a camera's stream #1 is configured using
MPEG-4 as the video codec, the following message will prompt.
You can use the Shepherd utility to locate the camera and open a web console with the camera.
Go to the Configuration > Media > Video window to configure the video codec of stream #1
into H.264 or H.265.
22 - User's Manual
PTZ control panel for joystick type PTZ