Betacam Pb Check Mode (C3) - Sony Betacam SX DNW-A100 Maintenance Manual

4-2. TAPE Maintenance Mode (M0)

4-2-5. BETACAM PB CHECK Mode (C3)

4-2-5. BETACAM PB CHECK Mode (C3)
The C3 : BETACAM PB CHECK mode is used to check
the playback RF system based on a Betacam/Betacam SP
format.
In this unit, one menu is available.
C3 : BETACAM PB CHECK
C30 : CHANNEL CONDITION
Menu Tree of BETACAM PB Check Mode
n
Betacam/Betacam SP PB function of DNW-A100/A50/
A45 is for NTSC (525/60) system only.
Betacam/Betacam SP PB function of DNW-A100P/A50P/
A45P is for PAL (625/50) system only.
C30 : CHANNEL CONDITION
This menu displays the RF level condition of video
channels (Y and C) in three steps (GRN, YEL, and RED)
when the tape recorded based on a Betacam/Betacam SP
format is played back in the PLAY mode.
n
If abnormality exists in the servo system of a VTR, the
C30 : CHANNEL CONDITION menu does not function
normally.
To execute the check
(1) Press the SET button.
. A white square is displayed in the upper-right
position of the superimpose picture.
The time data display area displays an ordinary time
counter.
. To cancel the check, press the MENU button.
(2) Insert the cassette tape recorded based on a Betacam/
Betacam SP format.
(3) Press the PLAY button. (Playing back the tape in the
PLAY mode.)
. ">>>" is displayed on the superimpose picture.
n
No check can be performed in modes other than
PLAY. ">>>" is not displayed even if the portion
recorded based on formats other than Betacam/
Betacam SP or the non-recorded portion is played back
in the PLAY mode.
4-38
(4) Confirm that ">>>" is displayed in the "GRN" column
of Y and C channels.
. If ">>>" is displayed in columns other than "GRN",
refer to the "For Condition NG" on the next page.
To terminate the check
(5) Stop the tape playback operation and eject the cassette.
(6) Press the MENU button.
. The square displayed in the upper-right position of
the superimpose picture disappears.
The time data display area displays the former "C30-
CHANNEL COND".
Example of display and operation
BETACAM PB CHECK MODE
C30:CHANNEL CONDITION
Grn Yel Red
ENV Y
ENV C
(1) 0 [SET]
BETACAM PB CHECK MODE
C30:CHANNEL CONDITION
Grn Yel Red
ENV Y
ENV C
(2)
0
Insert a recorded tape
[PLAY]
(3)
0
BETACAM PB CHECK MODE
C30:CHANNEL CONDITION
Grn Yel Red
ENV Y >>>
ENV C >>>
(4)
0 Confirm
[STOP]
(5)
0
[EJECT]
0
[MENU]
(6)
0
DNW-A100/A50/A45
DNW-A100P/A50P/A45P