Dahua A5A21M/CG9, Руководство пользователя

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Parameter Explanation
GevCCP
Controls application’s access to the camera.

ExclusiveAccess: application connected to the
camera can modify the registers.

ControlAccess: application connected to the
camera can only read the registers but can’t
modify them.
GevPrimaryApplicationSocket
Displays the UDP source port of the application
connected to this camera.
GevPrimaryApplicationIPAddress
Displays the IP address of the application connected to
this camera.
GevMCPHostPort Sets the destination port of the message channel.
GevMCDA Sets the destination address of the message channel.
GevMCTT The time-out time of the message channel.
GevMCRC The max retransmission count of the message channel.
GevMCSP Displays the source port of the message channel.
GevStreamChannelSelector
Selects the stream channel number when the camera
supports multiple stream channels.
GevSCPinterfaceIndex
Displays the logical channel number corresponding to
the device.
GevSCPHostPort The source port used by the camera stream channel.
GevSCPSFireTestPacket Sends a test packet.
GevSCPSDoNotFragment
The state of this feature is copied into the "do not
fragment" bit of IP header of each stream packet. It can
be used by the application to prevent IP fragmentation
of packets on the stream channel.
GevSCPSPacketSize The stream packet size in bytes.
GevSCPD
Controls the delay (in timestamp counter unit) to insert
between each packet for this stream channel.
Change this value can lower the standard of the
network card, but it will affect the max bandwidth and
increase the single frame acquisition time.
GevSCDA Stream channel destination address.
GevSCSP Stream channel destination port.