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Time code/user bit
The time code is used when the time code signal
generated by the time code generator (time code
signal generator) is to be recorded on the tape, its
values are to be read by the time code reader (time
code signal reader), and the absolute position of the
tape is to be displayed in increments of hours,
minutes, seconds and frames.
The time code is written in the sub-code area (data
area) of the helical track. This enables insert editing to
be conducted independently using the time code
alone. In addition, the VTR’s playback speed can be
read from the stop mode to slow-motion playback up
when using DVCPRO tape).
The time code values are indicated using the display
and superimpose functions.
“User bit” refers to the 32-bit (8-digit) data frame
among the time code signals which has been released
to users. It enables operator numbers values to be
The alphanumeric characters which can be used for
the user bit are the figures 0 to 9 and the letters A to
Setting the internal time code
Set the VTR to stop mode.
Set the run mode for the time code generator using
setup menu No. 513 (RUN MODE).
The internal time code generator is advanced
When the power is on, the internal time code
generator is advanced regardless of the
Set the TCG switch to REGEN mode.
In this mode, the continuity of the original time
code prior to editing is maintained.
A more detailed setting can be performed
using setup menu No. 503 (TCG REGEN)
and No. 504 (REGEN MODE).
In this mode, recording is commenced from the
value which was set by the TC PRESET button.
During automatic editing, whatever has been
selected for the menu No. 504 setting is used
for regeneration even when the TCG switch
has been set to PRESET.
Use the TC PRESET button to set the start number
of the time code or user’s bit.
Press the TC PRESET button. The left-most set
of digits starts flashing.
To change the value, turn the search dial while
holding down the SEARCH button.
Turn the search dial to select the set of digits
that is to be set.The digits selected start
The setting ranges are as follows:
00:00:00:00 to 23:59:59:29
00:00:00:00 to 23:59:59:24
00:00:00:00 to FF FF FF FF
to change any other
Once the start number has been set, press the
In the FREE RUN mode, the time code begins
Proceed with the recording or editing.
Select “TC” using the COUNTER button.