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- Definition of time data

# Definition of time data

#### Time code

It can be switched between [REC RUN] and [FREE RUN] in the main menu → [RECORDING SETUP] → [TCG].

- [FREE RUN]: The time code always advances even when the power is turned off, and it can be handled in the same way as time. It can also be slaved to the time code input to the <TC IN/OUT> terminal.

- [REC RUN]: Can be regenerated and recorded into the time code of clips recorded to P2 cards as a continuous value.

NOTE

- In the following case, the values are not continuous.

  - When deleting recorded clips

  - When switching to 24PN and 30PN (25PN)

  - When recording is interrupted due to a malfunction of [REC WARNING], etc. during recording.

#### User bits

Two types of user bits are built in.

- LTC UB: Recorded as LTC and output from the <TC IN/OUT> terminal. It is also output as LTC of the HD SDI signal.

- VITC UB: Recorded as VITC (recorded to VIDEO AUX area by DVCPRO). It is also output as VITC of the HD SDI signal.

LTC UB can select and record user set values, time, year/month/day, the same value as time codes, camera frame rate information, and input value of external signals from the <TC IN/OUT> terminal, etc.

VITC UB records the camera frame rate information.

The LTC UB value of the recording start time can be recorded on the user bits of the clip metadata.

#### Date/time (real time)

- By means of the internal clock, year, month, day, and time can be displayed on the viewfinder/LCD monitor and on the output image of the <GENLOCK IN/VIDEO OUT> terminal, etc.

- The internal clock is used for measuring the free run time code while the power is off and as time and year/month/day data of the user bits. It is also used as the reference for file generation times during clip recording, which determine the sorting order of thumbnails and the order of playback.

- It is also used to generate clip metadata and UMID (Unique Material Identifier).

  For details, refer to “Setting the date/time of the internal clock”.

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