Model 5600MSC Master Clock/SPG Manual
Page 3-14
Revision 1.6
OPERATION
3.5.3. Setting The VITC Reader Line
INPUT
INPUT VITC LINE
Vitc in line 17
This menu item allows the user to set the video line that the VITC reader will
use to read time from vertical interval time code inserted on the genlock
video. This time may be used as the time reference by setting the
TIME
REF
menu item to one of the VITC time sources. See section 3.5.2.
3.5.4. Configuring the Genlock Capture Range
INPUT
GENLOCK RANGE
GL range narrow
GL range wide
The
GENLOCK RANGE
menu item is used to select the tolerance of the
master oscillator lock range when it is attempting to lock to a video
reference. The
FREQUENCY REF
menu item must be set to
Video freq ref
in order to lock the 5600MSC to an external video reference (see section
3.5.1).
Set this menu to
GL range narrow
when the frequency stability of the
genlock video is tightly controlled and within 0.1 ppm. The
LOCK
CONTROL
menu item is used to select whether the 5600MSC will abruptly
lock to its frequency reference or slowly rephase until it achieves a locked
condition. (See section 3.5.6.)
Set this menu to
GL range wide
when the frequency stability of the genlock
video is unknown.
When the
FREQUENCY REF
menu item is set to
GPS freq ref or 10 MHz
freq ref
or
Internal freq ref
the front panel display will show the message
N.A. GPS FRQ REF
or
N.A. 10 MHZ REF
or
N.A. INT FRQ REF
when
you enter the
GENLOCK RANGE
menu item. The
GENLOCK RANGE
menu item will be set to
GL range narrow
and the front panel display will be
dimmed to indicate that you can not change this menu item.
USO
RESTRITO
