Roland VR-120HD Direct Streaming AV Mixer - Manual (Page 19)

19
Video Input/Output Settings
Specifying a Reference Clock
You can specify a clock to which operation of the VR-120HD is referenced
(a reference clock).
1 . [MENU] button Ó “SYSTEM” Ó select “Reference”, and press
the [VALUE] knob.
2 . Use the [VALUE] knob to specify the reference clock, and
press the [VALUE] knob.
Value Explanation
Internal
The VR-120HD’s internal clock is used as the
reference clock.
External
A synchronizing signal input via the REFERENCE
IN connector is used as the reference clock.
Black-burst (frame synchronization), bi-level, and
tri-level synchronizing signals are supported.
SDI 1–6
A signal input via one of the SDI IN 1–6
connectors is used as the reference clock.
The VSYNC (vertical synchronizing) signal output
from the VR-120HD is synchronized to the VSYNC
signal input via SDI.
When set to “External” or “SDI 1–6”
Adjust the following menu items as needed.
Menu item Explanation
Clock Adjust
This adjusts the phase horizontally.
Adjust this when output is horizontally out of
sync with the operation of other devices using
the same clock.
Line Adjust
This adjusts the phase vertically.
Adjust this when output is vertically out of sync
with or field-shifted from the operation of other
devices using the same clock.
3 . Press the [MENU] button to close the menu.