3 - Connections
TASCAM DA-78HR
19
apart from the audio connections (either digital or
analog).
If more than one DTRS unit is to be used, the first
unit in the c hain must have its M achine ID set to “1”,
(“0” in the case of DA-88s) and subsequent units
must have their IDs set in order with no gaps in the
numbering sequence. Note that the diagram below
does not show a ny audi o conne ction s.
See 8.2, “Machine ID and master/slave settings” for
details of setting the Machine ID using the menu
system
NOTE
The last unit in the chain must be terminated (a
TASCAM termi natio n plug must b e plug ged in to the
SYNC OUT
of the last machine in the chain. Once
again, only use TASCAM cables for connection of
equipment to and from the DA-78HR.
3.3. 4 “Ind irec t” w ord sync
As mentioned earlier, there is usually no need to use
a word clock when connecting DTRS units together.
There is, however, an occasion when it is necessary
to carr y external wor d sy nc be t we en DTRS units .
This is when a slave DTRS unit is recording digitally
from an ot h er digital audi o device:
Though the slave will receive its word clock from the
master unit, the master itself must receive its word
clock f r om the ot h er dig ital au dio devi c e.
In this case, the master unit will have its clock source
set to WORD, and the slave will receive its clock
from the master unit through the SYNC IN.
Machine ID 1
(maste r) Machine ID 2
(slave 1) Mach ine ID 3
(slave 2)
Termination
plug
PW-88S PW-88S
Machine ID 1
(master, but
CLOCK set to
WORD)
Machine ID 2
(slave 1)
Termination
plug
PW-88S
IF-88SD
TDIF-1 d igital
audio
Digital SDIF-2
device
SDIF-2
digital aud io
Word clock signal