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HD24/96 Technical Reference 59
SYSTEM button. Appendix C contains information you’ll need to know when setting up your
HDR24/96 for file transfers over a network.
Digital I/O
When DIO•8 or PDI•8 cards are installed in the HDR24/96 I/O slots, a pulldown menu will
appear for each installed card. Setup options for each card are addressed in the Quick Start
Guide and in further detail in Appendix A. The equivalent setup options are available from
the front panel using the DIGI-I/O button.
Locator-MMC – Tempo Map and Tempo settings
This is a multi-function menu with functions described in detail in Appendix A. The tempo for
BBT scale calculation is set from this menu. A MIDI file with a tempo map can be loaded
from this Setup window, to allow the BBT display to follow tempo changes when the
HDR24/96 is synchronized to a MIDI sequencer. Song Offset (page 16) and Preroll (page
37) times are set from this window, as are device ID’s for MIDI Machine Control.
Sync
This menu contains setup parameters for sample clock source and rate, bit depth, time
code source and framing, activates time code output, and allows setting of time code offset.
Appendix D contains detailed information about both time code and sample clock
synchronization. All of these parameters can be set from the GUI menu or from the front
panel using the SYNC button.
Sample Clock
Selects the source for the sample (word) clock. Choices are Internal, Word Clock
(BNC), or Video (BNC). In the GUI, when Video (BNC) is selected, another pulldown
menu appears for selecting Video Frame Rate. The video frame rate (Video Field)
option is always present on the front panel display SYNC menu, but is only applicable
when video is selected as the clock source.
Sample Rate
This pulldown GUI menu selects a sample rate of 44.1 and 48 kHz. The SELECT
buttons are used to toggle the sample rate in the front panel SYNC menu.
Bit Depth
This pulldown GUI menu selects a bit depth (word length) of 16 or 24 bits. The SELECT
buttons are used to toggle the Bit Depth in the front panel SYNC menu.
Time Code Source
This pulldown GUI menu selects the source of incoming time code when the HDR24/96
is set to Time Code Chase (page 37). Choices are MTC (MIDI Time Code) and
SMPTE. From the front panel, Select Time Code Source from the SYNC menu, then
toggle between MTC and SMPTE using the Select buttons.
Time Code Frame Rate
This pulldown GUI menu selects the frame rate for incoming time code when the
HDR24/96 is set to Time Code Chase (page 37). From the front panel, Select Time
Code Rate from the SYNC menu, then the Select buttons to select the frame rate.