Tektronix Grass Valley 3000 - Manual (Page 142)

4-4
Section 4— Switcher Operations
Clearing the Switcher
It is best to reset the switcher to a known state before beginning
any of these procedures. Step #2 below clears all switcher areas
except crosspoints.
To bring the switcher to a “known” state, you will want to clear
either all, or just certain parts of the switcher. The
Clear Working
Buffer (CWB) button is used to clear selected areas of the
switcher’s work buffer. The CWB controls the areas that are
delegated on the E-MEM Subpanel. First, you must delegate the
levels you wish to clear. (You can use
ENABL ALL to insure you get
all of them.)
The CWB is located on the E-MEM Subpanel. The following clear
functions are available:
1. First recall the GVG defaults to the Clear Working Buffer.
(Select top menu Config, User preferences, Define default,
GVG defaults and Do save).
2. Second, enable all areas of the switcher to be cleared by
selecting them in the E-MEM Subpanel, or press
ENABL ALL
to select all areas of the switcher.
3. To clear the Current Working Buffer — except Keyers:
Single press of the CLEAR WORK BUFR button: (E-MEM
Subpanel)
Clears Current Working Buffer (CWB) to user-defined
defaults. The key memory portion of the CWB is unaffected
(for example, video processing or clip and gain). All non-key
memory parameters are cleared for enabled levels.
CLEAR
WORK
BUFR
PASTE
PUT
MARK
KF
DUR
CONST
DUR
EFF
DUR
GET
MARK
CURSR
TIME
CURSR
PREV NEXT
INSRT
AFTER
MARK
BLOCK
COPY
CUT
GO
TO
KF
GO
TO
TIME
INSRT
BEFOR
MOD
Part of E-MEM Subpanel