Kramer Electronics 123V user manual Video Signal, Technical Specifications, 11.2, Problem, Remedy

11.2		Video Signal
		Problem		Remedy
	No video at the		!	Confirm that your source and output devices are turned on
	output device			and connected properly. The input of your machine
				should be of an identical signal format to the output of
				your source. Signals at the output of your machine should
				be of an identical signal format as at the input of your
				display.
			!	Confirm that any other device in the signal path have the
				proper input and/or output selected.
			!	Use the Video Tester to test the video path leading
				to/from your machine (see section 4.1"Video Tester")
	Video level is too		!	Verify that the lines are well matched through 75ohm
	high or too dim.			impedances.
			!	Confirm that the connecting cables are of high quality and
				properly inserted.
			!	Check level controls located on your source input device
				or output display.
			!	Adjust, only if absolutely necessary, the video level
				and/or cable equalization using the LEVEL and EQ.
				adjustment trimmers of the machine.
12		TECHNICAL SPECIFICATIONS
	INPUT			1 Video, Differential, 1Vpp / 75Ω on a BNC connector.
	OUTPUTS			3 Video, 1Vpp / 75Ω on BNCs.
	VIDEO BANDWIDTH			55 MHz -3dB.
	COUPLING			AC.
	DIFF. GAIN			0.25%.
	DIFF. PHASE			0.35 Deg.
	S/N RATIO			-76dB.
	K-FACTOR			<0.05%.
	MAX. VIDEO OUTPUT			2 Vpp.
	POWER SOURCE			12 VDC, 30mA.
	WEIGHT			0.3 Kg (approx.), (0.66 Lbs.)
	DIMENSIONS			12cm x 7.5cm x 2.5cm (4.7" x 2.95" x 0.98"), (W, D, H.)

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