MOTU PCI-424, User Manual

Page: 261 / 270

M O T U S M P T E C O N S O L E
119
SMPTE Source
Choose the analog input that will be receiving the
SMPTE time code from this menu. The
2408mk3:SMPTE setting refers to the RCA input
jack on the rear of the 2408mk3 interface that
doubles as both a dedicated (analog) SMPTE time
code input and a SPDIF input. As soon as you
choose the
2408mk3:SMPTE setting, the jack
automatically switches internally to an analog time
code circuit.
Freewheel Address
Freewheeling occurs when there is a glitch or
drop-out in the incoming time code for some
reason. The PCI-424 system 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 PCI-424 system to
freewheel before it gives up and stops altogether.
The PCI-424 system 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.
The ‘Infinite’ freewheel setting
The
Infinite
freewheel setting in the
Freewheel
Address
menu causes the PCI-424 system to
freewheel indefinitely, until it receives readable
time code again. To make it stop, click the
Stop
Freewheeling button.
Freewheel clock
Freewheeling occurs when there is glitch or
drop-out in the incoming SMPTE time code or
video signal for some reason. The PCI-424 can
freewheel past the drop-out and then resume
lockup again as soon as it receives a stable, readable
clock signal.
The PCI-424 system 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 PCI-424 system to
freewheel indefinitely, until it receives readable
time code again. To make it stop, click the
Stop
Freewheeling button.
Stop Freewheeling
The Stop Freewheeling button stops the system if it
is currently freewheeling.
GENERATOR SECTION
The Generator section (on the right-hand side of
the window in Figure 14-1) provides setting for
generating SMPTE time code.
Tach light
The Tach light blinks once per second when the
PCI-424 system is generating SMPTE time code.
Level
Adjusts the volume of the SMPTE time code
output.
Destination
Lets you choose any available analog or digital
output in your PCI-424 system. The choices you
see in this menu correspond to the banks (and
individual outputs) you’ve enabled in the MOTU
PCI Audio Console. See “Interface settings” on
page 70.