Functions

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6.9.3Timecode (LTC) and Biphase A/B (X3)

Timecode:

For sound synchronization of a DAT tape player with the LOCPRO 35, e.g. during transfer of film and sound onto video tape, a timecode signal is supplied on interface X3

➪photo (see page 39).

The timecode signal (80 Bit per picture) is only supplied in the forward running mode (to the right) with frame rates of 24 fps, 25 fps or 30 fps. The read-out timecode frame numbers correspond to those of the frame counter on the display. A frame counter reset on the LOCPRO 35 therefore also resets the timecode to zero.

The projection frame rate of the LOCPRO 35 has to be matched to the DAT speed. This is possible via ”Mode” Key (see chapter 6.4.2).

If the LOCPRO 35 is synchronized externally, ensure accurate synchronization frequency within ± 1%.

1)Run the LOCPRO 35 and DAT tape player separately to the sync point (starting position of transfer with appropriate leader).

2)Connect the DAT tape player via interface cable (9 pin Sub-D on XLP plug) with socket X3.

3)Reset frame counter to zero (”Reset” Key).

If necessary, set the timecode value supplied at the sync point of the DAT recorder to offset so that the the time code value ”0” emanating from the LOCPRO 35 corresponds to the value expected at the DAT recorder.

Start the transfer with the Master Control Knob.

Biphase:

Biphase operation is only possible with the Audio Sync Unit (ASU).

To synchronize with external units, a sync pulse (1 pulse per picture) is supplied on interface plug X3. When connected to a programmable ASU, a biphase signal is generated from this sync pulse.

(biphase A/B = moving direction recognition).

Plug type: 9-pin Sub-D socket.