Teledyne 804A User Manual page 87

804 Series Video Test Generator – User Guide
Command supported?: Y
Sets the number of line periods (width) of the vertical sync pulse (VSYNC).
Requires FMTU or ALLU to activate.
Query returns the number of line periods (width) of the vertical sync pulse (VSYNC) for the loaded format.
Example:
VSPW 4 // sets the vertical pulse width to 4 lines.
VSPW? // returns the current value.
VSPP
Command supported?: Y
Sets the polarity of the VSYNC pulse. Setting polarity to 1 causes the leading edge of vertical sync to be a low-to-high
transition. Setting polarity to 0 causes the leading edge of vertical sync to be a high-to-low transition.
Requires FMTU or ALLU to activate.
Query returns current setting of the polarity for the VSYNC pulse for the loaded format.
Example:
VSPP // sets the vertical pulse polarity to low to high.
VSPP? // returns the current value.
VSPG
Command supported?: Y
Sets the enable gate of the VSYNC signal. Enter a value of 0 to disable the VSYNC gate. Enter a value of 1 to enable the
VSYNC gate.
Requires FMTU or ALLU to activate.
Query returns the current status of the gate of the VSYNC.
Example:
VSPG // enables the vertical pulse.
VSPG? // returns the current value.
X3DM
Command supported?: Y
Enables you to enable 3D and to set the 3D frame structure to send out the HDMI outputs.
X3DM: enable method sampling
Refer to the EIA/CEA-861-E standard for details.
Where enable is:
0 = disable 3D
1 = enable 3D
Where method is:
0 = Frame Packing
2 = Line Alternative
3 = Side by Side (Full)
4 = L + Depth
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Query supported?: Y
Query supported?: Y
Query supported?: Y
Query supported?: N
Revision B3