Teledyne 804A User Manual page 83

804 Series Video Test Generator – User Guide
HSPD? // returns the current value.
HSPW
Command supported?: Y
Sets the number of pixel periods (width) of the horizontal sync pulse (HSYNC).
Requires FMTU or ALLU to activate.
Query returns the horizontal sync pulse width in pixels.
Example:
HSPW 44 // sets horizontal sync pulse width to 44 pixels.
HSPW? // returns the current setting.
HSPP
Command supported?: Y
Sets the polarity of the HSYNC pulse. Enter 0 for negative going pulse. Enter 1 for a positive going pulse.
Requires FMTU or ALLU to activate.
Query returns the polarity of the sync pulse.
Example to set the horizontal sync pulse to a positive going pulse:
HSPP 1 // sets horizontal pulse to positive polarity.
HSPP? // returns the current setting.
HSPG
Command supported?: Y
Sets the enable gate of the HSYNC signal. Enter a value of 0 to disable the HSYNC gate. Enter a value of 1 to enable the
HSYNC gate.
Requires FMTU or ALLU to activate.
Query returns the current state of the HSYNC gate.
Example:
HSPG 1 // enables horizontal sync output.
HSPG? // returns the current setting.
HTOT
Command supported?: Y
Sets the number of total pixels in a line of video.
Requires FMTU or ALLU to activate.
Query returns the number of total pixels in a line of the currently loaded format.
Example:
HTOT 2200 // sets horizontal total to 2200 pixels.
HTOT? // returns the current setting.
IFGC
Command supported?: Y
Enables or disables HDMI Infoframe checksum calculation. This enables you to send corrupted infoframes.
Example:
Page 83
Query supported?: Y
Query supported?: Y
Query supported?: Y
Query supported?: Y
Query supported?: Y
Revision B3