Pelco C3447M-B (8/09) Audio signal is, Weak Matching transformer, Distance, Too long, Adjusted

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Table B. Trouobleshooting the Spectra Mini IP Dome System

Problem

Possible Cause

Suggested Solution

 

 

 

Audio signal is

Incorrect type of transformer

Be sure you are using a 600-ohm impedance

weak.

 

matching transformer

 

 

 

 

Wiring distance connecting

Test the equipment using a shorter wiring

 

the audio equipment may be

distance.

 

too long

 

 

Speaker gain is not properly

If you are using an external amplifier and it has

 

adjusted

an adjustable gain, increase the gain until the

 

 

signal is acceptable.

 

 

 

 

Microphone gain is not

Increase the microphone volume on your PC

 

properly adjusted

until the signal is acceptable (refer to the

 

 

documentation shipped with your PC's sound

 

 

card).

 

 

 

Echoes when

Speaker volume is too high

Lower the speaker volume.

audio is received

 

 

Microphone and speaker are

If your call station does not have built-in echo

 

 

too close

cancellation, move the microphone and speaker

 

 

farther apart.

 

 

 

 

Call station does not have

Use a call station with built-in echo

 

built-in echo cancellation

cancellation.

 

 

 

REVISION HISTORY

Manual #

Date

Comments

C3447M

7/08

Original version.

C3447M-A

9/08

Corrected default static IP address and subnet mask.

C3447M-B

8/09

Added bidirectional full-duplex audio information per CN23055.

Pelco, the Pelco logo, Camclosure, Digital Sentry, Endura, Esprit, ExSite, Genex, Intelli-M, Legacy, and Spectra are registered trademarks of Pelco, Inc. Spectra III and Endura Enabled are trademarks of Pelco, Inc.

DLP is a registered trademark of Texas Instruments Incorporated.

All product names and services identified throughout this document are trademarks or registered trademarks of their respective companies. The absence of a trademark or registered trademark from this document does not constitute a waiver of intellectual property rights.

© Copyright 2009, Pelco, Inc. All rights reserved.

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C3447M-B (8/09)

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Contents Spectra Mini IP Dome System Contents C3447M-B 8/09 List of Illustrations Video Quality Caution Important NoticesLegal Notice Open Source Software NoticeWelcome Getting StartedOpen the Web browser Using a Web BrowserAccessing the Dome System Home Live Video page IconsChanging the Video Format MPEG-4 Image Quality Changing the Image RATE/QUALITYMjpeg Image Rate Patterns AlarmsPresets Auxiliary ControlsCapturing a Still Image Using the Live Video PaneUsing the CAMERA’S PTZ Functions Expanding the Video to FullAccessing the Camera Menus Click the drag and zoom buttonUsing Mouse and Keyboard Shortcuts Receiving AudioConfiguring Camera Settings Transmitting AudioChanging the Device Name SettingsGeneral TAB Changing the LanguageListen mode, the Talk button is not displayed on the Home Audio SettingsReset to Factory Defaults Changing the Host Name Network SettingsNetwork TAB Users TAB Adding a NEW User ProfileModifying a User Profile Deleting a User ProfileRoles TAB Roles TabDeleting a Role Creating a NEW RoleModifying a Role First Name Last Name Password Edit ProfileLog Off TroubleshootingHelp Network not Faulty cable connection No dome system powerDuring dome system power-up ConfigurationSignal is acceptable Audio signal isAdjusted Properly adjustedProduct Warranty and Return Information

C3447M-B (8/09) specifications

The Pelco C3447M-B, released in August 2009, is a powerful and versatile dome camera designed for robust surveillance solutions. This camera is particularly tailored for situations that require high-quality video capture in various lighting conditions and environments.

One of the standout features of the C3447M-B is its 1/3-inch CCD sensor, which provides exceptional image clarity and detail. The camera supports a resolution of up to 540 TV lines in color, ensuring that even the smallest details are captured accurately. Coupled with its advanced digital signal processing, the C3447M-B offers superior image quality with great color reproduction and reduced noise in low-light settings.

The C3447M-B is equipped with a 3.8 to 9.5 mm Varifocal lens that delivers a wide field of view, making it suitable for monitoring large areas. This feature allows users to adjust the lens to achieve the desired focal length, providing versatility for various surveillance applications. Moreover, the camera offers a 24-hour operation capability through its automatic infrared cut filter, which enhances performance during both daylight and nighttime conditions.

In terms of construction, the Pelco C3447M-B is built to withstand challenging environments. It features an IP66 rating for weather resistance, which means it can operate effectively in adverse weather conditions, safeguarding it against dust and heavy rain. This robustness makes it ideal for outdoor installations, as well as in high-traffic indoor areas.

The camera also boasts features such as backlight compensation, automatic gain control, and privacy masking. Backlight compensation helps to enhance image quality when there are significant differences in lighting, while automatic gain control adjusts the image brightness, offering clarity and detail. Privacy masking enables users to obscure specific areas of the surveillance footage, ensuring confidentiality while maintaining security.

In summary, the Pelco C3447M-B is a reliable and adaptable surveillance solution, combining high-resolution imaging technology, robust construction, and user-friendly features. It caters well to a variety of surveillance needs, making it a staple in modern security systems. With its impressive performance and durability, the C3447M-B continues to be a preferred choice for professionals seeking effective video surveillance solutions.
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