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Offset is used to define the positional relationship between machines. In an ideal world it would not
exist! The slave timecode position when locked to a master is calculated as follows:-
Slave Position - Slave Offset = Master Position - Master Offset
Slave Position = Master Position + Slave Offset - Master Offset
6.01 DIRECT ENTRY OF OFFSETS
To write an offset:-
1) Select machine
2) Key in offset
3) store offset by keying Store followed by Chase/Offset
To recall an offset:-
1) Select machine
2) recall offset by keying Recall followed by Chase/Offset
6.02 AUTO OFFSET CALCULATION
Where the offset value is not known there are three ways to automatically calculate the offset as
follows:-
AUTO SLAVE
This will calculate the offset between the master and slave for their current positions and tell the slave
to chase.
1) Select and position the Master
2) Select Slave, ensure that chase is OFF, then position the slave.[SHIFT]followed by [CHASE]
MARK SYNC
This allows the user to define a specific point on both the master and slave as the sync point.
1) Select the master and enter a known time code value from keyboard or by using the Mark key.
2) Hit Store followed by Mark, this sets the master MARK SYNC point
3) Select slave machine and enter the timecode value for the equivalent point from the keyboard
or using Mark.
4) Hit Store followed by Mark, this sets the slave MARK SYNC point and calculates the OFFSET
5) Hit [Chase/Offset] this will tell the slave to chase the master.
VIDEO EDITOR
If the video editor mode is selected (Root | Unit | Record |Menu 12: Record In & Out Mode 1=
Editor) then the SR-4 may be used as a video editor by defining the Master and slave record in points
as follows:-
1) Select the master and define the record in point.
2) Select the Slave and define the record in point.
16.03 TRIMMING THE OFFSET
The Trim- and Trim+ keys may be used to adjust the offset register as follows:-
To add 10 frames to the current offset.
1) Select the machine using a A, B, C, or D key.
2) Enter 00:00:00:10 in the Keyboard display
3) Depress the Trim+ key followed by the Chase/Offset key.
4) The unit should now display the new offset
6.04 ENTERING A NEGATIVE OFFSET
On the SR series remotes all offsets are calculated on a twenty-four hour clock. To enter a negative
offset either calculate the required offset by subtracting from 00:00:00:00 (-01:00:00:00 =
23:00:00:00) you can use the SR-4 to perform the calculation as follows:-
1) Zero the keyboard display: Shift followed by Clear/0
2) Zero the offset: Store followed by Chase/Offset.
3) Type the required negative offset.
4) Subtract: Trim- followed by Chase/Offset.
6.05 SUB-FRAME OFFSETS
CB ELECTRONICS LTD
6.00 OFFSET
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