Optical Zoom & FOV 

To determine the proper amount of optical zoom for your camera, you'll need to know the distance between your camera and the target. For a clear half-portrait picture, here's our recommendation:

                <30ft               5x optical zoom

                30ft - 80ft        10x optical zoom

                80ft - 100ft      20x optical zoom

                >100ft            30x optical zoom

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The field of view (FOV) represents the viewing angle the camera will capture. The FOV will change as you zoom the camera. Here's the FOV range for each camera:

                              View angle (H)        View angle (V)

AV-1563                65° - 2.34°           36.6° - 1.32°

AV-2020                60° - 3.23°           33.8° - 1.82°

AV-1560                60.7° - 3.36°        34.1° - 1.89°

AV-1362U              54.7° - 3.3°          30.8° - 1.86°

AV-1080/81/82     60.9° - 6.43°        34.3° - 3.62°

AV-1280/81           60.9° - 6.43°        34.3° - 3.62°

AV-1250/51           83.7° - 20°           47.1° - 11.25°

SDI / HDMI / USB / IP

Each camera has multiple video output ports. 

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SDI: works with BNC cable. Choose SDI option if you have a switcher w/ SDI inputs, SDI-USB capture card, or a monitor with SDI inputs;

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HDMI: works with HDMI cable. Choose HDMI if you have a switcher w/ HDMI inputs, HDMI-USB capture card, or a monitor / TV. Please note: HDMI does NOT work with computer directly. 

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USB: works with USB cable (included in the package) USB 2.0 and USB 3.0 use different cables. It works just like a webcam, easy to set up. Choose USB if you are new to PTZ IP cameras, or use software such as OBS, vMix, etc. for streaming and recording.

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IP: works with Ethernet (CAT5/6) )cable. All cameras has IP output. When use the camera through IP, you will need a computer (PC/MAC) that has an Ethernet port, and set the IP configuration accordingly.

PoE (Power over Ethernet)

Power over Ethernet delivers power, IP control and video over a single Ethernet (CAT5/6) cable. You will need a PoE Switch for PoE models. The PoE switch works as a power station and a hub for cameras and computer. There are different PoE standards, AV-2020 requires a PoE+ 802.3at standard for higher capacity, while other PoE models use PoE 802.3af standard.

Camera Control

There are 3 ways to control the camera:

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1. IR Remote controller: each PTZ camera comes with a IR remote controller in the package. You may control / set the camera using the remote;

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2. Control over IP: each camera can be controlled over Ethernet. You may connect the camera to a computer via CAT5/6 and access the camera by typing its IP address into the address bar of a browser. There you can find a control panel for PTZ and preset control.

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3. Joystick controller: joystick controllers provide more precise control of the camera. There're 2 ways of connecting: 

- via serial cable (RS232/485/422). RS232 cable is included in the camera package. The distance is limited to 50ft max using serial control. 

- via Ethernet. You will need a IP controller (e.g. AV-3104IP).

Audio

If there's a 3.5mm audio jack on the camera, it means the camera can accept a LINE level audio input. All models support embedded audio via Ethernet output.

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Please make sure you're using a LINE level audio input, usually it's from a powered mic, or an audio mixer. Then to enable embedded audio, log in to the camera interface (via IP, using a browser), under audio configuration, choose Encode Type->AAC; Sample Rate->48000.

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Please not AV-2020 does NOT support embedded audio over HDMI/SDI; AV-1560 does NOT support audio over HDMI.