Kolpak DA-98 ユーザーズマニュアル
Section 14 – Maintenance and memory setups
14-2 – 1.00 – 06/97
•
Do not attempt to rewind or fast forward the
cleaning tape, either in the DA-98 or in a video
unit. Simply insert it into the DA-98 when you
use it the next time.
cleaning tape, either in the DA-98 or in a video
unit. Simply insert it into the DA-98 when you
use it the next time.
•
Excessive cleaning can cause excessive wear
on the heads. Do not clean the heads too fre-
quently, and never perform the head cleaning
procedure more than 5 times running.
on the heads. Do not clean the heads too fre-
quently, and never perform the head cleaning
procedure more than 5 times running.
•
In addition to cleaning the heads, we recom-
mend that you have the DA-98 checked by an
authorized TASCAM service technician every
500 hours or so of use.
mend that you have the DA-98 checked by an
authorized TASCAM service technician every
500 hours or so of use.
14.1.2 Checking error rates
If you hear noise and distortion on playback, even
after cleaning the heads, or if you are presented
with a tape of dubious quality, you may want to
check the error rate of the tape.
after cleaning the heads, or if you are presented
with a tape of dubious quality, you may want to
check the error rate of the tape.
You can check the error rates at two tape posi-
tions, edge and center, for each of the two heads.
tions, edge and center, for each of the two heads.
1) Use the cursor keys [25] so that the cursor is by
menu group 9:
2) Press
ENTER
:
3) Use the
UP
and
DOWN
keys to select between
Edge
and
Center
.
Block errors are shown by a solid block. It is inev-
itable that there will be a few errors, but if the dis-
play consists mainly of solid blocks while the tape
is playing, something is wrong (and you will
almost certainly be able to hear it!).
itable that there will be a few errors, but if the dis-
play consists mainly of solid blocks while the tape
is playing, something is wrong (and you will
almost certainly be able to hear it!).
Use this display to show where the tape is in error,
and which head is causing errors. In this way, you
can pinpoint the cause of trouble.
and which head is causing errors. In this way, you
can pinpoint the cause of trouble.
If playing another tape seems to remove the errors,
the problem is with the tape, otherwise you may
want to clean the heads (see 14.1, “Head and trans-
port cleaning”). Remember not to clean the heads
more than 5 times in a row.
the problem is with the tape, otherwise you may
want to clean the heads (see 14.1, “Head and trans-
port cleaning”). Remember not to clean the heads
more than 5 times in a row.
14.1.3 Checking head time
This function allows you to check the number of
hours that the head has been used in play or record
mode.
hours that the head has been used in play or record
mode.
1) Use the cursor keys [25] so that the cursor is by
menu group F, and then press
ENTER
2) Within menu group F, move the cursor so that
it is by the
Dr total
field. The number of
whole hours that the head has been in use will
be shown on the bottom line of the display.
be shown on the bottom line of the display.
14.1.4 Checking head search time
This allows you to check the number of hours that
the head has spent in fast forward and rewind
modes:
the head has spent in fast forward and rewind
modes:
1) Use the cursor keys [25] so that the cursor is by
menu group F:
2) Press
ENTER
.
S e l e c t
M e n u
G r o u p
0
1
2
3
4
5
6
7
8
9
-
-
-
-
E
F
V e r s i o n / D r u m
t i m e
B l o c k
E r r o r
R a t e
A H e a d
B H e a d
T a p e
E d g e
NOTE
If, after trying different tapes and cleaning the heads,
you still see many errors, you should contact a TAS-
CAM service technician to check your DA-98.
you still see many errors, you should contact a TAS-
CAM service technician to check your DA-98.
S e l e c t
M e n u
G r o u p
0
1
2
3
4
5
6
7
8
9
-
-
-
-
E
F
V e r s i o n / D r u m
t i m e
S y s
v e r
F r o n t
v e r
S e r v o
v e r
S y n c
v e r
D r
t o t a l
D r
s e a r c h
0 0 1 4
S e l e c t
M e n u
G r o u p
0
1
2
3
4
5
6
7
8
9
-
-
-
-
E
F
V e r s i o n / D r u m
t i m e