Cisco Systems 4300E, 4500E Adjusting Back Focus on the IP Camera, Channel 1 and Channel, 2-10

Chapter 2 Getting Started

Adjusting Back Focus on the IP Camera

Table 2-3	Home Window Information (continued)
Field		Description
Output Port 1		Current state of output port 1 on the IP camera.
Output Port 1		Current state of output port 2 on the IP camera.
Channel 1 and Channel 2
User		IP camera user name of each user who is accessing the primary video stream
		(Channel 1) or the secondary video stream (Channel 2) through a client PC
		or a third-party device.
		Be default, users appear in order of start time. To displays users in ascending
		order of any information in any corresponding column, click the column
		heading. Click a column heading again to reverse the display order.
IP Address		IP address of the client device.
Start Time		Time and date that the client accessed the video stream for this session.
Elapsed Time		Length of time that the client has been accessing the video stream.

Adjusting Back Focus on the IP Camera

To obtain the sharpest image from the camera, you may need to adjust its back focus. This adjustment is useful if the focus control on a lens does not allow you to obtain a sharp enough image.

Note The 4300E and 4500E IP cameras can be placed in a housing that makes the back focus hex screw inaccessible. If you are placing the camera in a housing and adjusting the back focus is required, you must complete the procedure in this section before completing the procedure in the “Installing the IP Camera” section on page 2-1.

To adjust the back focus, perform the following steps while viewing video from the camera. For information about viewing video, see Chapter 4, “Viewing Live Video.”

Procedure

Step 1 With a lens attached to the IP camera, use the 0.9mm Allen wrench that is supplied with the IP camera to loosen the focus ring hex screw.

This screw is on the bottom of the camera just behind the focus ring.

Step 2 Adjust the back focus by aiming the IP camera at an object that is at least 15 feet (4.5 meters) away and rotating the focus ring to obtain a clear image as follows:

•For a variable-focus lens, obtain a sharp picture in both wide-angle and telephoto positions.

•For a zoom lens, ensure that the object of interest remains in focus throughout the entire zoom range of the lens.

Step 3 Use the Allen wrench to tighten the focus ring hex screw.

	Cisco Video Surveillance 4300E and 4500E High-Definition IP Camera User Guide
2-10	OL-25230-02