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Operating Instructions
28
• Audio features such as camera microphone sensitivity and mute during pan/tilt
can be set up on the Audio page (see page 68).
• If you are running other applications or opening multiple windows, the audio
may be interrupted or delayed.
• When the image is refreshed during any operation such as preset registration
or a web browser refresh, the volume is reset to the default (midrange)
position. Audio that was muted is enabled.
• The audio may be interrupted due to your PC's performance or network
environment. Reduce the max. bandwidth (see page
40 and page 44).
• If the camera is accessed while the PC user visits other websites, the active
microphone may pick up audio from the PC's speakers. Be careful with it.
• If you cannot listen to the audio or talk from your PC, see 2.5 Audio Problems
in the Troubleshooting section of the Installation/Troubleshooting.
• If you use external microphone, excessive length or poor quality microphone
cable can cause a degradation in audio quality.
• To talk to the camera from your PC, an external amplified speaker must be
connected to the camera. The speaker connects to the camera with a stereo
audio cable similar to that used by your PC. Though the connector is stereo,
the audio is not.
• If you install the camera outdoors, external microphone or external speaker
must be outdoor compatible.
MIC
EXTSP
For Microphone
For Speaker
External Microphone
(Plug-in power +3.3 V)
GND
External Speaker
Not
Connected
Signal
GND
Signal
(Output impedance 560 line level)
3.5 mm mini plug
3.5 mm stereo mini plug
Cable diameter 2 0.3 mm or below