Huawei VPC620 Manual page 13

FAQs
Question Why can't I rotate the camera from an HD videoconferencing endpoint?
Answer 1. The serial connection between the camera and the HD videoconferencing
endpoint is incorrect.
2. The serial port of the HD videoconferencing endpoint or the camera type is set
incorrectly.
Question The camera startup diagnosis fails along with one of the following symptoms:
(1) the camera fails to start; (2) the PTZ generates abnormal noise; (3) nothing is
displayed on the camera screen. Why?
Answer 1. A nonstandard power adapter may be used. The standard one provides a 12 V
DC output.
2. The connector at the low-voltage side of the camera's power adapter has been
reconstructed, or the cable of this power connector has been extended. If the
cable of the camera adapter is not long enough, extend the cable of the power
socket.
Question The camera has been connected to the HD videoconferencing endpoint, but the
video captured by the camera is not displayed on the display connected to the
HD videoconferencing endpoint. Why?
Answer 1. The video input source selected for the HD videoconferencing endpoint is
incorrect. Press
2. The HD videoconferencing endpoint and camera are not connected correctly.
3. The HD videoconferencing endpoint does not support the camera's video
output format.
4. The display does not support the video output format set on the HD
videoconferencing endpoint.
Question Why does the display fail to display any video after the camera has worked for a
period of time?
Answer Check the camera's working environment. For example, check whether the
cables are connected securely, whether the voltage is stable, and whether heat is
dissipated properly.
Question Why is the camera video displayed unclearly or why cannot the camera
automatically adjust its focus after the camera is powered on?
to select the camera as the video input source.
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