CHAPTER
95
14
Troubleshooting
COMMON PROBLEMS AND SOLUTIONS
My DA-88 or DA-38 just sits there and doesn’t
respond to cueing commands.
Is the DA-88’s MMC device ID on the rear panel set
to zero (0)? If so, set it to any other number besides
zero (which is reserved for the master device of the
DA-88 chain, which is the Digital Timepiece in this
case). If you have a chain of DA-88s, make sure you
give it an ID number that isn’t being used by any
other DA-88. If you have a DA-38, set its ID to 1.
When I try to engage play from the console (or any
other time base master), my Sony 9-pin deck
doesn’t go into play. It appears to shuttle between
rewind and play.
You are likely trying to locate to a frame location
that the 9-pin cannot locate to. This might happen
if, for example, the 9-pin was striped with its LTC
card at 10:00:00:00, but you are trying to play from
1:00:00:00. To correct this, temporarily put the 9-
pin in “local” mode (or your 9-pin device’s
equivalent mode), and engage play from the front
panel. The 9-pin device’s display should tell you the
current frame location. Adjust the console’s offset
appropriately. If you are slaving the DTP to VITC,
try adjusting the VITC calibration.
When using my ADAT or ADAT/BRC as master
time base, I am unable to send record commands to
other MMC devices. Why?
With the ADAT or ADAT/BRC as master, at least
one track on the master ADAT must be record-
enabled in order for record commands to pass to
other MMC devices. All other transport
commands will function, however.
I can’t get my MMC controller to control the Digital
Timepiece. Why not?
Check the device ID setting in your MMC
controller for the Digital Timepiece. And watch out
for zero-based numbering schemes, which
consider the range of MMC IDs to be from 0-127
instead of 1-128. See “Zero-based numbering
schemes” on page 60 for further information.
I’m having trouble with setting the MMC device ID
for the Digital Timepiece in my sequencer or MMC
controller. What am I doing wrong?
See above.
Why does the time code display on slaving MMC
devices run much faster than the time code display
in the console?
You probably do not have matched sample rates. If
you are in internal mode, be sure that the Digital
Timepiece’s sample rate matches slaving devices’
sample rate. Also note: DA-88 tapes are formatted
with a particular sample rate, so if the DA-88’s
sample rate is not matched, you may want to
change the Digital Timepiece’s sample rate to
match or reformat the tape.
I accidently edited one of my device’s soft ID
numbers, now when I try to do any function from
the console (like record-enable), the wrong MMC
device responds. Is there an easy way to fix this?
Yes. Simply power cycle the Digital Timepiece. This
forces the Digital Timepiece to re-identify MMC
devices and reassign soft ID numbers.
I’m trying to set a negative offset for my ADAT in
ClockWorks, but the ADAT doesn’t seem to
respond.
Check the amount of the offset. ADATs do not
support more than a negative one hour offset.
Содержание Digital Timepiece
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