ViewSonic PRO8300 warranty Connecting a composite Video source device, About the microphone input

•If you have already made a Component Video connection between the projector and this S-Video source device using Component Video connections, you need not connect to this device using an S-Video connection as this makes an unnecessary second connection of poorer picture quality. See "Connecting Video source devices" on page 14 for details.

Connecting a composite Video source device

Examine your Video source device to determine if it has a set of unused composite Video output sockets available:

•If so, you can continue with this procedure.

•If not, you will need to reassess which method you can use to connect to the device.

To connect the projector to a composite Video source device:

1.Take a Video cable and connect one end to the composite Video output socket of the Video source device.

2.Connect the other end of the Video cable to the Video socket on the projector.

Important

•If the selected video image is not displayed after the projector is turned on and the correct video source has been selected, check that the Video source device is turned on and operating correctly. Also check that the signal cables have been connected correctly.

•You need only connect to this device using a composite Video connection if Component Video and S-Video inputs are unavailable for use. See "Connecting Video source devices" on page 14 for details.

About the microphone input

•If you wish to use a microphone, connect a 3.5 mini jack cable microphone to the projector.

•You can use a wireless microphone as long as a wireless module is attached to the projector's microphone input jack and it works well with the associated devices. To ensure a quality use of the wireless microphone, it is recommended that your microphone conforms to the specifications listed in the table below.

Signal	Parameter	Min	Type	Max
Microphone	Transducer Principle				Dynamic
	Impedance	300		1K	ohm
	Frequency response	600		16K	Hz

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