Genex GX9000 - SRTalumni.com

GX9000 User manual Rev 2.1 Timecode
Chase Synchronization
Flywheel
Timecode
.Flywh’l
10fr
20fr
30fr
4 Sec
Infinite
The GX9000 can chase or follow an external timecode in forward or reverse.
1. Press the Chase button. The timecode generator will automatically go into
External Input mode. If the incoming timecode is stationary or otherwise
invalid, the LED above the chase button will flash indicating ready to
chase. When the GX9000 detects a valid timecode, lock is instantaneous.
Playback will stop when the unit detects more stationary frames than
selected in the Flywheel menu heading.
2. Chase mode can be cancelled by pressing the Stop button or the Chase
button.
For Chase mode to operate correctly the GX9000 and the timecode source
machine must be locked using either word clock, video clock or AES clock.
This is to ensure that the unit’s timecode generator and the source machine
generator are counting at exactly the same rate.
The GX9000 will “Flywheel” if the input timecode that it is chasing drops out.
This means that playback will continue at the current rate until the timecode
reappears.
The flywheel value represent how many frames must be lost before the
GX9000 will assume that the incoming timecode has stopped and will stop
playback. In Infinite Flywheel mode the GX9000 will forever ignore the
incoming timecode once lock is achieved.
• Press the Setup button.
• Use the Rotary Wheel and Parameter Up and Parameter Down buttons
to select the Sync | .Flywh’l menu heading.
• Press the Value Up and Value Down buttons to select a flywheel gap
size. 30fr is a good choice for most applications. Then the unit stops
quickly in response to the input timecode.
• Press the Enter button to confirm the change.
Adding an Offset to the Incoming Timecode
• You can add an offset to the incoming timecode so that the GX9000 will
lag or lead the source machine.
• Press the Offset button.
Automatically Calculating an Offset
• Use the Numeric Keypad or Rotary Wheel to enter an offset. A positive
offset is added to the input timecode, a negative offset is subtracted from
the incoming timecode. To enter a negative offset use the -/Clear button
at any time.
• The Offset button LED turns on and stays on when an offset has been
entered. The status of the Offset button LED has nothing to do with
pressing the offset button, it simply indicates a non zero offset.
• Press the Offset button to return to the default timecode display.
• Press the Chase button to turn Chase mode off if it is on.
• Check that the existing offset is 00:00:00:00 by pressing the Offset
button
• Press the Offset button twice or until DIFF (Difference) is displayed.
The displayed timecode is the difference between the current off disk
timecode and the external timecode.
Genex Audio Inc Page 53