25ConnectionCaution:• ONLY CONNECT 12 V DC CLASS 2 POWER SUPPLY (UL 1310/CSA 223) or LIMITEDPOWER SOURCE (IEC/EN/UL/CSA 60950-1).Before starting the connection, turn off the power of this camera and the devices to be connected.Before start the connection, prepare the required devices and cables.z Connect the RCA pin cable to the monitoroutput connector for adjustment on therear (only for adjustment of the angle fieldof view).IMPORTANT:• The monitor output connector is provided only for checking the adjustment the angle field ofview on the video monitor when installing the camera or when servicing. It is not provided forrecording/ monitoring use.• Black bands may appear at the top, bottom, right and left of the screen. (There is no problemwith adjustment since the angle field of view is not affected.)• The video output on the monitor for adjustment does not guarantee the video performance orimage quality.x Connect the microphone to MIC/LINE IN (for use of the audio reception function). SP509Input impedance: Approx. 2 kΩRecommended cable length: 1 m {3.3 feet} or less (for microphone input)10 m {33 feet} or less (for LINE input)Recommended microphone: Plug-in power type microphone (option)Connect a monaural mini plug (ø3.5 mm).• Supply voltage: 2.5 V ±0.5 V• Recommended sensitivity of microphone: –48 dB ±3 dB (0 dB=1 V/Pa, 1 kHz)IMPORTANT:• Connect/disconnect the audio cables and turn on the power of the camera after turning off thepower of the audio output devices. Otherwise, loud noise may be heard from the speaker.c Connect an external speaker with amplifier to the audio output connector (for use of the audiotransmission function). SP509Connect a stereo mini plug (ø3.5 mm) (Audio output is monaural.).• Recommended cable length: 10 m {33 feet} or less(This illustration represents WV-SP509.)POWER10BASE T/100BASE-TXAUDIO OUT MIC/LINE INEXT I/OSD CARD/ABFMONITOR OUTACT LINK12V = INGND 4 3 2 1INITIALSETALARM IN 1/DAY/NIGHT INALARM IN 3/AUX OUT ALARM IN 2/ALARM OUTConnect tothe videomonitor, etc.