Kramer Electronics VP-350 user manual Coupling removing the DC offset of the input signal

Your VP-350 1:3 High Resolution UXGA DA

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Figure 3: VP-350 1:3 High Resolution UXGA DA Underside

Table 2: VP-350 1:3 High Resolution UXGA DA Underside Features

	Feature	Function
COUPLING	BLUE DC-AC Switch
		Switch to DC to select DC coupling1, switch to AC to select AC
	GREEN DC-AC Switch
		coupling (removing the DC offset of the input signal)
	RED DC-AC Switch
		Set both switches2 to Hi-Z (TTL3) if the source is, for example, a
Hs (Horizontal Sync) Switch
Vs (Vertical Sync) Switch		digital graphics card. Set both switches to 75￿ (ANALOG) if the
		source is analog based, for example, an RGBHV source with coaxial
		cable for sync
ID Bit Switch		Slide to the left to set to ON4; to the right to set to OFF

1 Achieving the best linearity and signal fidelity

2 Both the Hs and the Vs switches should be set identically since graphics cards do not have mixed (TTL and ANALOG) syncs. (No harm will occur to the graphics source if the switches are set to the wrong direction)

3 “Transistor-Transistor Logic” for syncs with digital logic levels

4 Enabling the notebook or laptop to output a VGA signal to an external VGA monitor

4 KRAMER: SIMPLE CREATIVE TECHNOLOGY