Axis P7304 User Manual page 34

Video encoder
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AXIS P7304 Video Encoder
The device interface
These settings are available for each audio input.
Sound level: Adjust the sound level to a value from 0–100, where 0 is the most sensitive and 100 the least sensitive. Use the
activity indicator as a guide when you set the sound level. When you create events, you can use the sound level as a condition.
You can choose to trigger an action if the sound level rises above, falls below or passes the set value.
Video input
Each video input is terminated using a coax/BNC connector and displayed as a numbered channel.
Connect a 75 Ohm coaxial video cable; the recommended maximum length is 250 m (800 ft).
Automatic: The default setting. The encoder detects the video standard and resolution automatically.
Manual: Lock the channel to the selected video standard and resolution.
Reload: Click to restore to the current encoder settings.
Mark as configured: Click to acknowledge the video input settings. The video input is shown as configured in the Status page.
Save changes & restart: Click to save the changes and restart the device. If you restart the device, it will affect ongoing recordings.
Accessories
I/O ports
Use digital input to connect external devices that can toggle between an open and closed circuit, for example PIR sensors, door or
window contacts, and glass break detectors.
Use digital output to connect external devices such as relays and LEDs. You can activate connected devices through the VAPIX®
Application Programming Interface or in the device interface.
Port
Name: Edit the text to rename the port.
Direction:
indicates that the port is an input port.
you can click the icons to change between input and output.
Normal state: Click
Current state: Shows the current state of the port. The input or output is activated when the current state is different from the
normal state. An input on the device has an open circuit when it's disconnected or when there is a voltage above 1 V DC.
Note
During restart the output circuit is open. When the restart is complete, the circuit goes back to the normal position. If you
change any settings on this page, the output circuits go back to their normal positions regardless of any active triggers.
Supervised
: Turn on to make it possible to detect and trigger actions if someone tampers with the connection to digital
I/O devices. In addition to detecting if an input is open or closed, you can also detect if someone has tampered with it (that is, cut
or shorted). To supervise the connection requires additional hardware (end-of-line resistors) in the external I/O loop.
Logs
Reports and logs
open circuit, and
for closed circuit.
indicates that it's an output port. If the port is configurable,
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