D62 OPERATORS’ MANUAL
3
DIGITAL CONNECTIONS
DIGITAL CLOCK SYNCHRONISATION
When clocking the D62 from an external, master clock source, there are two possible
methods of termination. When using the TEAC
®
TDIF-1 Digital Interface protocol, which
uses a 25 pin D-sub connector system, or ADAT
®
optical system, the Input Select button
should be in the Out position. Alternatively, external synchronisation may be achieved
via the 75
Ω
BNC connector, in which case the Input Select button should be set to its IN
position. The operation of the D62-A version is identical, except that the multitrack
interface is ADAT. When the unit is suitably connected, observe the Input Select LED
status to confirm the following clock conditions:
z
The LED will illuminate
brightly
and steadily if a reliable and compatible clock
source is recognised.
The LED will
blink
when External Clock is selected on the front panel, but no
external clock is detected.
'
The LED will flicker
dimly
if the clock signal is inadequate due to problems such
as level matching or signal corruption. Typical causes of such problems are: the
connected cable is too long or of an incorrect type; the external clock signal has
deteriorated in quality to a point where it cannot be read reliably.
When External Clock is selected on the front panel, a reconstituted version of the input
word clock is available at the Word Sync Output BNC connector.
Summary of Contents for D62
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