DigiDesign SYNC HD, Руководство пользователя

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Chapter 4: Using SYNC HD 39
To resolve the SYNC HD to Linear Time Code from
Pro Tools:
„
In the Sync Setup section of the Session Setup
window, choose an LTC setting from the Clock
Reference pop-up menu. Choices include:
LTC 0 (fastest)
Allows the quickest resolving to
incoming LTC, but with greater jitter. This is the
default setting, and should be used when fast
lock ups are critical.
LTC 1
Provides an intermediate fast setting.
LTC 2 (average)
Offers a compromise of lock up
time and jitter quality.
LTC 3
Provides an intermediate slow setting.
LTC 4 (smoothest)
Offers the lowest jitter from
LTC resolve, but can take six to ten seconds to
achieve full resolve. This setting is most appro-
priate when loading audio from an analog mas-
ter, where reducing or eliminating jitter is more
important than lock speed. Be sure to allow ad-
equate pre-roll before punching in.
To resolve the SYNC HD to Linear Time Code from
the front panel:
„
Press the Clock Reference switch to select
LTC.
To resolve the SYNC HD to Linear Time Code using
the SYNC Setup software utility (Windows only):
„
Select Linear Time Code (LTC) from the SYNC
Setup Clock Ref pop-up menu.
Adjusting LTC Output Level
To adjust LTC output level from Pro Tools:
1
Choose Setup > Peripherals and click Synchro-
nization.
2
Choose a value from the LTC Output Level
pop-up menu.
3
Click OK.
To adjust LTC output level from the front panel:
1
Press Set until the LED Time Code Display
shows a parameter name. The first name is Set
Generator (SE7 6En), although you may see a
different name, depending on the previous
SYNC HD settings.
2
Press the Up or Down switches until the LED
Time Code Display shows LTC Level (L7C
LEUL).
3
Press Set. The LED Time Code Display shows
the current value for the LTC Output Level (in
dBu).
4
Press the Up or Down switches to scroll
through the available values (in 3 dBu steps).
5
Press Set.
Additional LTC Information
LTC can provide positional and clock reference.
LTC can be recorded onto and played back from
an analog track, or a VTR audio, address or cue
track.
The SYNC HD provides adjustable LTC
servo gain. See “Servo Gain” on page 62.
For further information on LTC signals, see
“LTC Signals” on page 70.