Timecode functionality (7600 mhd-ref), C menu. refer to, Timecode func – Grass Valley 7600REF User Manual
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7600 SD/HD/MHD-REF — Instruction Manual
Operation
Timecode Functionality (7600 MHD-REF)
Timecode is available with the 7600 MHD-REF model and provides the fol-
lowing:
•
2 outputs of Longitudinal Timecode (LTC) on the LTC 9 pin Sub-D con-
nector (refer to
LTC Output (7600 MHD-REF Model) on page 25
nector pinout information).
•
Vertical Interval Timecode (VITC) superimposed on analog video
waveforms. This is enabled or disabled in accordance with the current
group arrangement of the analog signal outputs.
•
Each SDI output offers a combination of:
•
Digital VITC (SMPTE S266) for standard definition signals only.
•
ATC (SMPTE PRP188) for standard definition or high definition SD
signals.
On the 7600 MHD-REF model, the LTC functions, Timecode JAM and LTC
menu branches are accessed from the Setup menu explained below and
shown in
.
Timecode Jam
This is the process of setting the time carried on the timecode stream. To
avoid discontinuity, it is important to carry this out carefully. The first
branch of this submenu list base oscillator frequencies (23.98Hz etc.) used
to drive the range of output signals. for example, to Jam the timecode for a
625 signal, select the 25 Hz option.
This submenu has the following modes:
•
Jam Source
•
Manual: enter values manually
•
RTC: uses the Real Time Clock, with the option to apply a manual
offset.
•
JAM Mode
•
Auto: sets a scheduled time
•
Manual: on command
•
JAM!: initiates the JAM procedure.
•
Show Clock: shows the time currently carried on the LTC stream.