Avtech AVT2406 User Manual - Page 5

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CONNECTION

1. DC12V Input Terminal

Connect the power terminal of the camera to a DC 12V regulated power supply.

Note: Please use the correct power adaptor, DC12V (regulated), to operate this unit. The power tolerance of

this unit is DC12V ± 10%. Over maximum DC 12V power input will damage this unit.

2. Video Output Connector

Connect the camera video output to the video input of a DVR with 75Ω coaxial cable.

There are two connectors: the white one is for TVI output, and the gray one is for CVBS output.

Note: To ensure the camera has sufficient protection against moisture, an extra waterproof measure, such as

by using an insulating tape, must be used to cover the power and video connectors after connection.

3. Alarm wires

Please see the section, "WIRE INDICATION FOR ALARM CONNECTION", for details.

FOCAL LENGTH & FOCUS ADJUSTMENT

This camera supports remote focal length and focal adjustment remotely from our HD CCTV DVR.

Note: The icons described below are available only when the camera is used with our brand's HD CCTV DVR,

and you might need to upgrade your DVR to see these icons.

There're two ways to open the control panel. On the DVR live view, click the channel which connects this

camera to display in the full screen mode, and

1) Click

on the bottom left side of the channel, OR

2) Click

on the bottom left side of the channel, and choose

＋

－

Zoom in / out max

Zoom in / out

Focus near / far

Lens Reset

IR LED BRIGHTNESS CONTROL (PWM)

This function is used to control the brightness of IR LEDs.

For example, if you feel the image is too bright when the night mode is on, resulting a little bit overexposure,

you can use this function to modify as you wish.

Note: The icons described below are available only when the camera is used with our brand's HD CCTV DVR,

and you might need to upgrade your DVR to see these icons.

There're two ways to adjust the IR brightness level. On the DVR live view, click the channel which connects

this camera to display in the full screen mode, and

1) Click

on the bottom left side of the channel to show the control panel, and choose

(IR INTENSITY), OR

2) Click

on the bottom left side of the channel, and choose

There're 5 levels in total. The higher the value, the stronger the IR light at night. However, setting the value

to the highest might jeopardize the lifetime of IR LEDs. It's not recommended to set the value to the highest

for too long.

Click to zoom in on the image to the largest / zoom out on the image to its

original size.

Click to zoom in / out the image.

Click to adjust the focus of the image.

Click for lens calibration when you feel the focus is not clear after each

zoom-in / -out.

(ZOOM).

(IR MANAGEMENT).