Vga Clock Settings Tab - Tascam SX-1 Reference Manual

VGA Clock Settings Tab

This screen is where you set the SX-1's clock set-
tings. If you wish to have the SX-1 communicate
with other digital audio devices, you must have the
Cur., Prim., and Sec.
different clock master scenarios, displayed as
and , utilizing any of the available I/O on the
Secondary
left side of the screen. If the first clock source is not
available ( ), it will automatically shunt to the
PRIM.
next available clock source (
selected as is not available, the SX-1 will
Secondary
shunt to clock and mute its output to let you
Internal
know something is wrong.
This displays the SX-1's internal clock
Internal
state.
This displays the sample rate of
Word Clock In
data coming in the SX-1's rear panel
jack.
IN
An added feature for this and the following I/O clock
displays is the error readout. Any variance from the
normal sample rate detected in the clock stream will
be shown in -/+ percentages, which can be an impor-
tant tool when troubleshooting clock errors.
This register displays the clock rate of the
ADAT In
audio coming in the SX-1's stock Lightpipe™ optical
ports (on the unit's rear).
Digital In 1 & Digital In 2
plays the clock rate of the audio coming in the SX-
1's stock SPDIF Digital In 1 and 2 jacks (on the
unit's rear).
This displays the clock rate of the data com-
Video
ing in the SX-1's stock video sync ports (on the unit's
rear).
Part VIII–Data Entry, System & File Management
The SX-1 can set up two
Primary
). If the clock source
Sec.
WORD CLOCK
This register dis-
parameters on this tab set correctly. From the
, press
DISPLAY MODE SETTINGS/ PREFS
click on the tab.
Clock Settings
Slot 1 Input 1 to Slot 3 Input 3
ters display the clock rate of the audio coming in the
option cards installed in the SX-1's expansion slots.
Knowing that the SX-1 can switch to
Auto Retry
another clock source if the Primary selection
becomes unstable, this setting determines whether or
not the master clock will be switched back to Pri-
mary if that clock again becomes stable.
Pressing this soft key causes
MANUAL RETRY
the SX-1 to manually search for a valid clock on the
Primary selection's port.
This pull-down tab sets the
Mixer Sample Rate
desired sample rate for the SX-1's mixer. If the
desired mixer sample rate differs from the selected
clock master, the
SAMPLE RATE
slanted front panel will flash.
There is no industry standard for
Word In Setup
word clock polarity; this field lets you choose to use
the rising edge or the falling edge of the word stream
when syncing to external word.
Determines whether the SX-1
Word Out Setup
outputs word clock that is referenced to the rising
edge or falling edge of its own clock reference.
Video Pull Up/Down
1 is syncing to an external souce that is pulled up or
pulled down. These settings are used when syncing
to timecode (generally produced from film) that is
running at a different rate from the standard. In gen-
eral, pull ups and pull downs are only used in certain
TASCAM SX-1 Reference Manual
MAIN
, then
These regis-
indicators on the
Use this tab when the SX-
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