Tascam Digital Multitrack Recorder DA-78HR Owners Manual

8 - Synchronization with other  DTRS  units
 TA SCA M DA -7 8 HR 51
3
Press the C HAS E ke y o n all of  th e sl ave  D TR S 
u nits . Th e indi ca tor will fla sh.
4
P ress 
FORMAT/Fs twice within  five  seconds ,  on 
each of the DTRS units (m aster and all s laves) 
s o al l ma c hine s ar e  re a dy t o st ar t  fo rm at tin g.  
If you press the 
CLE AR key while the FORMAT 
in dicator is lit stea dily, yo u will cancel the fo r-
mat operation.
5
S elect the same samp ling rate (48 kHz or 
44.1 k...

52 TASCAM DA-78HR
9 -  Operations  related  to timecode
The DA-7 8HR con tains  s yn chron ization  facilities, 
in clud ing  a SMPTE/ EBU timecod e g en erato r, wh ich 
allow it to act either as  a timecode master or a time-
code slave when connected i n a ti mecode chain.
If timecod e is  recorded   on  tap e,  a  sp ecial  d iscrete 
s ubcode track is us ed, which leaves all eight  tracks 
free for recording and playback of audio material. 
No te th at this su bco de is available bo th as analo g...

9 -  Operations  related  to timecode
53 T A SC AM  D A- 78 HR
2
Press the S UB M ENU key  until the displa y 
briefly shows 
TAPE. T C (TAPE T C),  fo l l ow e d 
b y th e current setting.
3
Us e the s a nd t keys to change the value of 
this  parameter  between 
TC  TRK (TC TRK) a nd 
C ONV ABS (CONV  A BS).
TC TRK means  that timecode recorded on the 
ta pe will be used a s the so urce fo r the 
timecode.
CONV ABS mea ns tha t th e ABS time (s ubcode) 
will  be converted to  timeco de a nd output as...

9 - Operations related to timecode
 TA SCA M DA -7 8 HR 54
9 .4 .1 Sh owin g i npu t tim e co de
There are two primary reasons  for the DA-78HR to 
receive ti mecode: when the DA-78HR is  chasing to 
ti mecode,  and  must receive the master timecode,  and 
wh en th e DA-7 8HR is  to  record  timecod e from 
another unit (but see 9.5.5, “External timecode 
s ources” below).
To view  incoming t imecode,  follow the  procedure 
below:
1
Press the 
SHI F T  key so that the SHIFT in dicator 
is fla shing ,...

9 -  Operations  related  to timecode
55 T A SC AM  D A- 78 HR
To s et th e MTC ou tpu t on  o r o ff:
2
Press the 
S UB M ENU key  until the displa y 
shows 
MTC O N (MT C ON) or  MTC O FF (MT C 
OFF
).
3
Us e the s a nd t keys to change the setting to 
the requ ired value (on or off).
To s et th e  M T C ou tpu t w he n  f a st or  sto ppe d :
2
Press the 
S UB M ENU key  until the displa y 
s hows either 
FA ST. MTC (FA S T MTC) or 
S TOP. MTC (STOP MT C), followed by the cur-
rent s etting (on
 or of...

9 - Operations related to timecode
 TA SCA M DA -7 8 HR 56
If you are recording timecode only, we suggest  that 
you do not use external sources for recording time-
code.
S et th e s ou rce to 
TA P E T C a s de s cr ib e d imm e dia te ly  
a b ove ,  an d u se  
AB S  ( s e e  9 .2 . 2,  “A B S  s e t t i ng ”)   as  t h e  
tap e t imecod e sou rce. Th is will ensu re an  accurate 
match  between  th e timecod e an d  the  ABS  timing  ref-
erence (the fact that the generat or mus t be started 
manu...

9 -  Operations  related  to timecode
57 T A SC AM  D A- 78 HR
9.5.5 External timecode sources
T he  f ollo wi ng  n ote s sh ou ld  h e lp yo u w h en  yo u mu st 
record timecode on the DA-78HR from an external 
source (analog or digital). 
As men tion ed earlier, yo u sho uld  o nly  n eed to record  
timecode from an external  source  when  the audio and 
timecod e tracks have to be tran sferred to gether, keep-
in g a strict relation sh ip b etween  th e au dio  and  time-
code tracks.
In all other...

9 - Operations related to timecode
 TA SCA M DA -7 8 HR 58
9 .5 .8 C he ck in g th e  fra m e  mo de  of 
s tr ipe d tim ec od e
To view the frame mode of a tape which has  been 
s trip ed  with  timecod e,  follo w th e s teps  b elow:
1
Press the 
SHI F T  key so that the SHIFT in dicator 
is fla shing , then press the 
MENU key   until  the 
displa y sho ws 
TC-- (TC--).
2
Press the 
SUB MENU key so that the display 
briefly  s hows 
FRM  MODE (F RM MO DE ), fol -
lowed by the s ystem fra me mode a s...

9 -  Operations  related  to timecode
59 T A SC AM  D A- 78 HR
4
Us e the s a nd t ke y s to  s e t t he  o f fs et  fo r  t he  
s lave  DA - 7 8H R,  an d t he  
SH IF Ted  s and  t 
k e y s  to  m ov e t h e  cu rs or  t o th e d i f f e re n t  fi e l d s .  
You  can also use the 
OFFSET key as a right 
curs or key.
The front panel 
OFFSET in dicator will light 
when an offs et value has been set.
S ee  4. 3 .5 ,  ““L ef t ” and  “ r ight ” ke ys ” fo r de t ails  
of setting values in a time field....

9 - Operations related to timecode
 TA SCA M DA -7 8 HR 60
absolute  difference.  The “relative difference” is  
expressed as below:
Relative difference = Absolute difference – Offset
Th us, if th e offset is set o n a s lav e machin e to  
+00:10:00.00 (10 minutes) and while chasing, the 
two machines’ counters  read as follows :
the slave is now 10 minutes and 4 frames behind the 
master.
S ince the slave is meant to be exactly 10 minutes  
behind the master, the difference, + 4 frames , is  the...