Sync hronization and t imecode 6 – Sound Devices 788T User Manual

Page 76

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Free Run Jam Once

The onboard time code generator will re-jam from external time code whenever a valid, running
time code signal is connected to the TC input. Similar to Free Run mode, the generator runs continu-
ously without regard to Record mode. For a jam to occur, the time code signal must be disconnected
and re-connected to the time code input. Free Run Jam Once is useful when using the recorder as a
slave, although one of the External TC modes may be more appropriate for slaved operation.

24 Hour Run

Identical to Free Run with the exception that the generator will automatically jam itself from the
time-of-day clock on power-up. The generator will also re-jam if the time-of-day clock is reset. Once
jammed, the generator will run continuously from the time code clock, not the time-of-day clock.

Ext TC

The internal time code generator follows an external time code signal appearing at the time code
input. In all of the external time code modes, the time code value set on the 788T appears as the
recorded fi le’s time code rate value.

Ext TC/cont

The internal time code generator follows an external time code signal appearing at the time code in-
put. If the external time code is removed, the internal generator continues to run to preserve continu-
ous time code. Useful for time code transmission over RF where RF “hits” may interrupt time code.

Ext TC-Auto Record

The internal time code generator follows the external time code signal appearing at the time code
input. When external code advances, the 788T enters Record mode automatically. When the external
code is stationary, the 788T generator pauses and recording is stopped. This is appropriate when
dual-system sound is used with video cameras set for Rec Run time code. The video camera will
function as master time code and the recorder “transport” will follow the video camera transport.

Ext TC/cont-Auto Record

The internal time code generator follows the external time code signal appearing at the time code
input. When external code advances, the 788T enters Record mode automatically. When the external
code is stationary, the 788T generator pauses and recording is stopped. If the external time code is
removed the internal generator continues to run to preserve continuous time code. Useful for time
code transmission over RF where RF “hits” may interrupt time code. This is appropriate when dual-
system sound is used with video cameras set for Rec Run time code. The video camera will function
as master time code and the recorder will follow.

Free Run - Auto Output Mute

Like Free Run mode, the internal time code generator runs continuously without regard to the Re-
cord mode. However, time code signal is only output during record and playback. Time code signal
is muted while transport is stopped. Although time code signal is muted while transport is stopped,
the time code generator is not stopped. When recording is started again, time code will refl ect the
amount of time elapsed since the last recording was stopped.

Since time code is muted when transport is stopped, Free Run - Auto Output Mute mode will not trigger
recording of Sound Devices products that are set to an external auto-record / continuous mode. The 552
and PIX 240 external auto-record modes are always continuous.

788T/788T-SSD User Guide and Technical Information

68

v. 3.02

Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.

Sync

hronization and T

imecode

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