Tascam Digital Multitrack Recorder DA-78HR Owners Manual

7 - Advanced operations
41 T A SC AM  D A- 78 HR
T he displa y will show the l ev el  a nd pan po si-
tion of the channel. For example, 
L. 02. P -C- 
wo uld indicate a level of 10 2 and  a  center pan 
position.
3
Us e the s a nd t key s and/o r the kno b to  
change the level of the active channel. 
4
To change the level of another chan nel, press 
that channel’s 
RE C FUNC TION key.
The meters may be used to show the value of 
the chann el levels  (the defau lt is fo r this  func-
tio n to  b e o n, a...

7  - Advanced operations
 TA SCA M DA -7 8 HR 42
2
Use the s a nd t keys to change the value 
(maximum +6.0%, minimum –6.0%, in 0.1% 
st ep s).
Res et the value to 0.00% by pressin g and  hold-
ing either of the s or  t keys , a nd press ing the 
ot he r.
3
Press the 
SHI F T key to turn off the setting 
mode. T he 
VARI SPEED ind icator will  continue 
to be lit, showing that varispeed is curren tly 
en ab l e d .
4
Turn off varispeed (when the 
VARI SPEED 
indicator is lit) by  pres sing  the 
VARI...

7 - Advanced operations
43 T A SC AM  D A- 78 HR
2
Press the S UB M ENU key  until the displa y 
shows 
RLs.  (RLS—release) and then ch anges 
to the  current  val ue for  th at s etting.
3
Us e the s a nd t keys to change the value 
b etween the FAST
 (
FA S T), SLOW
 (SL O W) 
a nd MED
 (
ME DIUM) settings.
7.9 Sine oscillator
The DA-7 8HR in corpo rates a dig ital oscillato r for 
lin eup  an d sig nal tracing  p urpo ses. This o scillator is 
a sin e-wave oscillato r at either the stan dard tun ing...

7  - Advanced operations
 TA SCA M DA -7 8 HR 44
(for instance 16, the DA-78HR’s non-HR tape word 
len gth ) to  imp ro ve qu an tization . 
Paradoxically, this technique of adding noise 
removes q uanti zatio n n oise and  dist ortion  at low sig -
n a l  lev els  a n d  im pr ove s  th e   ove r a ll d isto rt ion  f ig-
ures.
1
Though quantization nois e is  reduced,  there is  a  loss 
o f a few dB  in  the sig nal-to-n oise rat io. For th is rea-
s on, the DA-78HR does  not implement dither as a 
s...

7 - Advanced operations
45 T A SC AM  D A- 78 HR
Pr essin g th e s and t ke ys  s imu lta -
neously returns the output patchbay 
to the  normal s tate.
The meters dis play  th e cu rren t 
a ssi gn me nts  of  tr a c ks  to  the  ou tpu t 
channels. In this  cas e, each meter 
sh ow s th e a ss ign me n t s ta tus o f th e 
c or r e spo nd ing ly- n um be r e d ou tpu t 
channel (no t tr a c k) ,   as  s how n   he r e.
Pr ess 
SHIFT an d o ne  of  the  RE C 
FUN CTION
 keys (as described in 
4 .1.1,...

7  - Advanced operations
 TA SCA M DA -7 8 HR 46
2
Press the SHI F T  key so that the SHIFT in dicator 
is fla shing , a nd press th e 
MENU key  u ntil  the 
displa y sho ws system-- (
SYSTEM--).
3
Press the 
SUB MENU key  until the displa y 
shows  Load. OFF (
LOAD  OFF).
4
Press the s key to make the DA-78HR ready 
for lo ading  the setti ngs. The disp lay  will sh ow 
READY (
RE ADY).
5
Press the s key again to actuall y start the 
restore operation.
The DA-78 HR will auto matically  search to  the...

 TASCAM DA-78HR 47
8 - Synchronization with other  DTRS  units
Th is  section  d escrib es  the  tech niq ues  and  metho ds  to  
b e fo llowed when  the DA-78 HR is link ed to  o ther 
DTRS units (e.g. TASCAM DA-98, DA-38, DA-88 
and of course other DA-78HR units).
Up  to  1 6  DTRS  un its can  b e lin ked ,  fo r a  total  of 1 28  
d igi tal  tracks .
I f  you  a re  c on ne c tin g D TR S un its of  dif fe r e nt ty pe s 
to the DA-78HR, use the DA-78HR or a DA-98 as 
the master unit and the other...

8 - Synchronization with other DTRS units
48 T A SC AM  D A- 78 HR
standard sequence, working from the head of the 
c h ai n t o t he  en d.
8.2.2 Setting machine ID
1
Press the SHIFT key so that the SHIFT indicator 
is  fla shing , a nd pres s the 
ME NU key, un til the 
counter sh ows 
SYSTEM -- 
(
SYSTEM--).
2
Press the 
S UB M ENU key  until the displa y 
shows 
id. sel. ;; (ID SEL xx), where  xx is the 
current machine ID setting.
3
Us e the s a nd t keys to change the value 
b et w e e n 1 and  1...

8 - Synchronization with other  DTRS  units
 TA SCA M DA -7 8 HR 49
2
Press a nd hold do wn the s key  a nd  pres s  th e 
t
 key to  reset the  value.
Machi ne o ffset  will n ow  be ca ncelled a nd  the 
OF F SE T indicato r will g o out.
8.3.3 Setting machine offset “on the fly”
As  well  as  en terin g  an  ab so lute  nu mb er,  it is  also  p os -
s ible to enter a number “on t he fly” as  the tapes are 
playing. 
1
Loc a te  t he  t w o ta pe s (ma st e r  a nd s l ave )  s o th at  
they have the...

8 - Synchronization with other DTRS units
50 T A SC AM  D A- 78 HR
8.4 Digital dubbing
W hen  y ou  co py  t ap es between DTRS un its in  th e 
d igital d omain, there is  n o lo ss of qu ality. A “wo rk-
tap e” o r cop y is th erefore ind istin gu ishab le from t he 
o rig in al. Add itio nally, th e DA-7 8HR  u ses low-cos t 
m e dia  ( Hi 8 vid e o c a sse tte s) ,  wh ic h m a ke s it e as y to 
back up i mportant projects .
NOTE
W hen you copy tracks fr om DA-88 units, the word 
l e n gt h s ho ul...