Hitachi FP-Z31 Operation Manual page 11

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HIGH GAIN switch
This switch can be set to increase the gain by 9 dB
I.
or 18 dB simultaneously for each channel ( R, G,
1-
B). It should be set appropriately when there is
, .
not enough I ight. When set to 9 dB or 18 dB, the
"A" indicator inside the 1.5-inch viewfinder lights
to indicate high gain operation.
CV
BAR/CAM selector switch
When this switch is set to the BAR position,* the
camera output signals are switched into the color
bar signals. Use them for camera and color
monitor adjustments. The camera signals are fed
out when the switch is set to the CAM position.
'
L_
Note: When the BAR/CAM switch is SE;!t to the
BAR position, the lens iris automatically
closes.
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MONITOR
I
i
SELECT
f
I-
,.
([D
GAIN PRESET/
AUTO mode switch
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MONITOR SELECT switches [-G, ENC,
R.G.B., R/G/8)
These switches are used to switch the viewfinder
and MON OUT (monitor output) signals and to
{�,
select the ENC, R, G, B, R-G and B-G signals.
J
When ENC is selected, the ENC signals are output
to the MON OUT and the Y signal is output to
the viewfinder.
Note 1: ENC signal selection takes priority and so
the switch should be set to R.G.B to
select the R, G, B signals.
Note 2: The -G signal is output when G and -G are
selected si mu ltaneousl y.
Note 3:
When the -G signal is selected, the detail
signal is cut off .
(U)
GAIN PRESET/AUTO switches
The switch sets the gain control mode to preset or
auto.
PRESET: At this position the camera operates on
the white balance adjusted with a 3,200
MON OUT connector@ only when the MONITOR SELECT switch
t!,p � l\lr. P. f' (',it. f'1'l.
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� CHARACTER
switches
(ti)\
\!SI M BLK
master black
@ AUTO CENT/
AUTO SETUP
switch
F ig. 5.3
,.
K color temperature set at (under a
halogen lamp) the factory (with the filter
disc at "1 ").
Set the switch to this position when
there is no time to adjust the white
balance. Auto
centering* and auto setup* do not func­
tion at this position.
* The FP-231 L does not have these
functions.
AUTO: The switch is normally �et to this posi­
tion. The data in the memory, set during
the auto white operation, are produced
for the white balance adjustment.
When the camere. is being used with the
O. P -Z31 remote operation panel or with
the DU-22 digital command unit, th is
switch should be set to AUTO.
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M BLK control
This control is provided for simultaneous adjust­
ment of the black level of the R, G and B channels.
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AUTO CENT/AUT·
only)
The auto centering functions are activated by set­
ting this switch to the AUTO CENT position,
and red and blue pictures are automatically super­
imposed onto the green picture.
When the switch is set to the AUTO SETUP posi­
tion, the black level setting, black balance and
white balance are adjusted automatically with the
BAR/CAM selector switch
CV
the switch is at B�R: the black setting and
black balance are adjusted automatically, the built­
in test pulse is fed to preamplifier inputs, a check
is automatically conducted to see if anything is
wrong with the gain control system and the video
levels of the R, G and B channels, and the results
of this check are indicated in characters on the
viewfinder and MON OUT. For further details,
refer to sections 6.3.6 and 6.3.
� CHARACTER switches [DISP/WRITE,
CURSOR�/�] (FP-231 only)
DISP/WRITE switch
Every time this switch is set to the DISP, the view­
finder a· n d MON OUT pictures are switched in the
following sequence:
( 1) Operation status and warning display (Normal
mode).
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is set to
. _ .• . _ ..
white balance, auto
o SETUP switch (FP-231
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set to CAM. If
.
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