Betacam Rec Adjust Mode (A1) - Sony BVW-55 Maintenance Manual

2-2. TAPE Maintenance Mode (M0)

2-2-3. BETACAM REC ADJUST Mode (A1)

2-2-3. BETACAM REC ADJUST Mode (A1)
A1 : BETACAM REC ADJUST mode is used to adjust the
recording system.
This unit has the five menus.
A1 : BETACAM REC ADJUST
A12 : REC CURRENT
A18 : MODULATOR VR 1
A19 : MODULATOR VR 2
A1A : MODULATOR VR 3
A1F : NV-RAM CONTROL
n
Do not change the adjustment data carelessly. This may
cause a trouble. For the actual adjustment, refer to the
adjustment method described in Section7.
If you have changed the adjustment data carelessly,
execute ALL DATA PREVIOUS in an A1F: NV-RAM
CONTROL menu or turn off the power of this unit without
selecting an A1F: NV-RAM CONTROL menu.
Never execute SAVE ALL ADJUST DATA.
To change the adjustment data manually
(1) Turn the JOG dial on the LCD monitor and move the
* mark to the adjustment item.
Turn the JOG dial in the sub LCD and display the item
to be adjusted.
(2) Turn the JOG dial while pressing the search button.
The adjustment data then increases or decreases.
To return the adjustment data to the former state
Execute ALL DATA PREVIOUS in A1F : NV-RAM
CONTROL menu.
n
The current adjustment data can not return to the former
state after executing SAVE ALL ADJUST DATA.
To save the adjustment data
Execute SAVE ALL ADJUST DATA in A1F:NV-RAM
CONTROL.
2-18
A12 : REC CURRENT
This menu is used to adjust the recording electric current
of the REC head.
There are adjustment items for metal and oxide tapes. Each
adjustment item is provided proportionally to the number
of heads (Y-A, Y-B, C-A and C-B).
Example of display
BETACAM REC ADJUST MODE
A12:REC CURRENT
*
METAL-Y-A 40
METAL-Y-B 40
METAL-C-A 40
METAL-C-B 40
OXIDE-Y-A 40
OXIDE-Y-B 40
OXIDE-C-A 40
OXIDE-C-B 40
A18 : MODULATOR VR 1
This menu is used to adjust the modulator circuit of the
metal mode (MD-122 board).
Example of display
BETACAM REC ADJUST MODE
A18:MODULATOR VR1
*
METAL-Y WHITE CLIP 80
METAL-Y DARK CLIP 80
METAL-Y LEVEL FINE 80
METAL-Y SRL 10
METAL-Y HF SLICE C0
METAL-C HIGH CLIP 80
METAL-C LOW CLIP 30
METAL-C HF SLICE C0
BVW-55 P2