BG7 Black Generator module
SOURCE. Use the
left (◄)orright(►) arrow button to select the timecode
source from the following choices. The default value is Disable.
Disable: Disa
bles the timecode function for the BG7 module.
Local (DST): Uses the local time of day as determined from the
GPS/GLONAS
S antenna with Daylight Saving Time offset as the timecode.
Local (No DST): Uses the local time of day as determined from the
GPS/GLONAS
S antenna without Daylight Saving Time offset as the
timecode.
UTC: Uses C
oordinated Universal Time as determined from the
GPS/GLONASS antenna as the timecode.
Program T
ime: Uses the program time counter as the timecode.
OFFSET. Use this menu item to set a time offset for the BG7 module outputs
from the timecode input from the GPS7 module. You can enter a time offset of
up to ±23:59:59:29 (maximum frame value depends on the frame rate of the
video signal) of the GPS/GLONASS timecode (hours : minutes : seconds : video
frame
s). Press the ENTER button, and then use the left (◄)orright(►) arrow
button to select a digit in the offset value to change. An underline character
appears under the selected offset digit.
After you select an offset digit, use the up (▲)ordown(▼) arrow button to
change the value of the digit. Repeat for each digit as required for you offset.
Press the ENTER to confirm the offset change.
NOTE. The Offset adjustment allows you to enter a time zone correction of up to
±23:59 hours. However, the ST309 standard only implements codes for time zones
in
the range of -12 to +13 hours. Therefore, when the GPS7 module is set to use
ST309 data as the Time of Day source, it is recommended that the combined
programmed offset from time zone and DST be restricted to the range of -12
to +13 hours.
30 DROP. Use the left (◄)orright(►) arrow button to enable or disable the 30
Drop mode. Use this mode to correct for frame-rate error in NTSC-rate signals or
to allow the timecode to run continuously and drift away from the correct time.
VITC. Allows inserting the same VITC signal on 1 or 2 lines of the vertical
interval. Select VITC 1 for one line and VITC 2 for the second line. Select the
VITC signal you want to configure, and then press the ENTER button to enter the
VITC submenu for the selected signal. (See page 3-73.)
3–72 TG8000 Multiformat Test Signal Generator User Manual
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