MOTU Digital Timepiece User's Guide download pdf (Page 20)

100

101

INSTALLATION

Using a DA-88 with an SY-88 sync card as the

SMPTE time code master

If you would like to use the SMPTE time code track

on a DA-88 deck equipped with an SY-88 card,

then the DA-88 cannot operate as a slave to the

Digital Timepiece. Instead, the DA-88 acts as the

master and the Digital Timepiece slaves to it, a

shown below in Figure 3-13. The word clock

connection from the SY-88 card to the Digital

Timepiece is optional, although it is highly

recommended for tighter sync and faster lockup

time.

This scenario requires an SY-88 card. The DA-88/

SY-88 combination serves as the master, feeding

SMPTE time code (LTC or MTC) to the Digital

Timepiece and other devices. You control the

Digital Timepiece, along with everything else

attached to the Digital Timepiece, from the DA-88.

This scenario allows you to sync the DA-88 — and

the Digital Timepiece — to time code from other

sources, such as a video deck, or the time code sub-

track on a DA-88 tape.

DA-88/SY-88 as SMPTE and word clock master

This scenario is identical to the SMPTE-only

scenario just discussed, except that you also feed

word clock from the SY-88 card into the Digital

Timepiece, in addition to SMPTE time code, as

shown below in Figure 3-13. This produces faster

lock-up times and tighter sync than the SMPTE-

only scenario above.

Figure 3-13: To use the time code track on a DA-88 equipped with an SY-88 sync card, the DA-88 serves as the time code master. In this setup,

it also serves as the time base master. The Digital Timepiece slaves to the word clock and SMPTE it receives from the DA-88. The MMC remote

control from the computer as shown here is optional. Figure 3-14 on page 21 shows this setup with everything referenced to house sync.

Digital Timepiece

DA-88 with SY-88 Sync Card

DA-88

Word clock out

Word 1x IN

SMPTE IN

(LTC or MTC)

SY-88 Card

SMPTE out

(LTC or MTC)

Digital Timepiece

time base mode:

Word 1x/LTC

MMC compatible

sequencer or audio

software

bi-directional MIDI

for MMC and MTC

Various forms of word clock and SMPTE time code distributed by the Digital Timepiece to other devices.

DA-88/SY-88 setup notes

1. If you are using MTC, make sure the SY-88 is

programmed to send MTC by checking the SY-88

card’s S2 location DIP switches (on the board

itself). The 8th switch should be “On”.

2. Make sure the Digital Timepiece’s frame rate and

sample rate match the DA-88/SY-88. (Note: the

DA-88 sample rate is visible on the front panel; the

frame rate can be set by depressing the up/down

arrows simultaneously. Use the up/down arrows

to change the frame rate, if necessary. Depress

DISPLAY & down arrow to exit.)

3. The SY-88’s rear panel MODE DIP switches must be

set to enable MIDI Machine Control. All switches

should be in the down position, except for #2

MMC remote control setup notes

To control this entire rig from your computer:

1. Set the Machine ID on the SY-88 card using

the ﬁrst four DIP switches at location S2 on

your SY-88 card. Refer to your DA-88

manual for details.

2. Connect a MIDI Out from your MIDI inter-

face to the MIDI In on the SY-88 card so

software can send MMC commands to the

SY-88 card.

3. Be sure to feed MTC back to the computer,

either from the SY-88 MIDI OUT port or

from the Digital Timepiece (but not both!).

4. Make your software send MMC commands

with the same ID you gave the SY-88 (not

the Digital Timepiece). See “Controlling a

DA-88/SY-88 with Performer” on page 72.

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MOTU Digital Timepiece User's Guide Page 20

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