MOTU V4HD User Manual page 89

Address
The Address light glows continuously when the
V4HD has successfully achieved lockup to SMPTE
time code.
Freewheel
The Freewheel light illuminates when the V4HD is
freewheeling address (time code), clock or both.
For details about Freewheeling, see "Freewheel
Address" and "Freewheel clock" below.
SMPTE source
Choose SMPTE, or the analog input to which the
SMPTE time code source is connected. This is the
input that the V4HD "listens" to for time code.
Freewheel Address
Freewheeling occurs when there is a glitch or
drop-out in the incoming time code for some
reason. The V4HD can freewheel past the drop-out
and then resume lockup again as soon as it receives
readable time code. Choose the amount of time
you would like the V4HD to freewheel before it
gives up and stops altogether.
The V4HD cannot freewheel address without
clock. Therefore, the Freewheel Address setting will
always be lower than or equal to the Freewheel
Clock setting, and both menus will update as
needed, depending on what you choose.
Keep in mind that freewheeling causes the system
to keep going for as long as the duration you choose
from this menu, even when you stop time code
intentionally. Therefore, if you are starting and
stopping time code frequently (such as from the
transports of a video deck), shorter freewheel
times are better. On the other hand, if you are
doing a one-pass transfer from tape that has bad
time code, longer freewheel times will help you get
past the problems in the time code.
M O T U S M P T E S E T U P
The 'Infinite' freewheel setting
The Infinite freewheel setting in the Freewheel
Address menu causes the V4HD to freewheel
indefinitely, until it receives readable time code
again. To make it stop, click the Stop Freewheel
button.
Freewheel clock
Freewheeling occurs when there is a glitch or
drop-out in the incoming SMPTE time code for
some reason. The V4HD can freewheel past the
drop-out and then resume lockup again as soon as
it receives a stable, readable clock signal.
The V4HD cannot freewheel address without
clock. Therefore, the Freewheel Address setting will
always be lower than or equal to the Freewheel
Clock setting, and both menus will update as
needed, depending on what you choose.
The 'Infinite' freewheel setting
The Infinite freewheel setting in the Freewheel
Clock menu causes the V4HD to freewheel
indefinitely, until it receives readable time code
again. To make it stop, click the Stop Freewheel
button.
Stop Freewheel
The Stop Freewheel button stops the system if it is
currently freewheeling.
GENERATOR SECTION
The Generator section (on the right-hand side of
the window in Figure 10-1) provides settings for
generating SMPTE time code.
Tach light
The Tach light blinks once per second when the
V4HD is generating SMPTE time code.
Destination
In the Destination menu, choose SMPTE from the
menu to generate time code from the LTC output
on the V4HD rear panel, or choose any other
analog output for LTC output.
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