70(6) [Echo Canceller]If [Enable] is selected, echo between the microphoneand speaker is suppressed.This setting is available only when [AudioTransmission from the Camera] is set to [Enable] and[Audio Reception from Viewer] is set to [Enable].(7) [Audio Input]Set the microphone input. Select [Line In],[Microphone In (dynamic microphone)] or[Microphone In (condenser microphone)].HTTP Server(1) [Authentication Method]Set the authentication method used with the HTTPserver to [Basic Authentication] or [DigestAuthentication].(2) [HTTP Port]Set the HTTP port number to 80 or in the range of1024 to 65535.Normally [80] (factory default setting) is used.(3) [HTTPS Port]Set the HTTPS port number to 443 or in the range of1024 to 65535.Normally [443] (factory default setting) is used.FTP Server(1) [Use FTP Server]Set FTP Server to [Disable] or [Enable].WS-Security(1) [Check Time on Authentication]Select whether to check the time information in datasent from the client by selecting [Check] or [Do notcheck].CautionSwitch line in and microphone in on each setting pageaccording to the specification of the microphone (p. 70).Using the wrong input may damage the camera and/ormicrophone. Be sure to configure settings correctly.Important• Video and audio can be distributed to up to 30 clients.However, when there are many clients or they are connectedto the camera over an SSL connection, the video frame ratemay slow down and the sound may drop out if audioreception from the camera is enabled.• The volume, sound quality, etc., may change depending onthe characteristics of the microphone used.• If [Input Volume] or [Echo Canceller] settings are changed aftersetting volume detection, check the detection setting again.• Connect a speaker with amplifier to the camera (“InstallationGuide” > “Audio Input/Output Terminals”).• If [Enable] is selected under [Echo Canceller], the soundquality or volume may be affected. Utilize this function asnecessary according to the installation environment and howthe camera is used.• The video and audio may not be synchronized.• The audio may be temporarily interrupted, depending on theperformance of the computer and the network environment.• The audio may be interrupted if anti-virus software isenabled.• Communication may be temporarily interrupted, cutting offthe audio, if the LAN cable is unplugged and plugged inagain. If this occurs, reconnect from the Viewer.ImportantIf the setting of [HTTP Port] or [HTTPS Port] is changed, thecamera may become inaccessible from the active webbrowser. Check beforehand the precautions in “Important” in“[Reboot Item] Setting Items Requiring Rebooting” (p. 87).
