Data Translation DT3152-LS, User Manual

Page: 130 / 214

Chapter 4
114
Set the Standard Controls for the Input Source (cont).
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For area-scan mode only, use the key
OLC_FG_CTL_FIRST_ACTIVE_LINE to set the active
video signal within the field as a line offset from the
beginning of the vertical sync. The default value is 16 for
60 Hz and 20 for 50 Hz. This is not used for line-scan
mode.
Set the first active line with
OlFgSetInputControlValue.
For area-scan mode only, use the key
OLC_FG_CTL_ACTIVE_LINE_COUNT to set the
number of lines per field (or noninterlaced frame) in the
active area. The default value is 240 for 60 Hz and 288
for 50 Hz. This is not used for line-scan mode.
Set the active line count with
OlFgSetInputControlValue.
For area-scan mode only, use the key
OLC_FG_CTL_TOTAL_PIX_PER_LINE to set the total
number of pixels in a single horizontal line of video. The
default is 794 for 60 Hz and 960 for 50 Hz. This is not
used for line-scan mode.
Set the total pixels per line with
OlFgSetInputControlValue.
For area-scan mode only, use the key
OLC_FG_CTL_TOTAL_LINES_PER_FLD to set the
total number of lines in a single field of video. The
default is 262 for 60 Hz and 312 for 50 Hz. This is not
used for line-scan mode.
Set the total lines per field with
OlFgSetInputControlValue.