Sync Adjust Screen; Alc Settings Screen - JVC TK-C1431 Instructions Manual

Colour video camera
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MENU SETTING

SYNC ADJUST Screen

This executes the setting regarding synchronization.
Item
Functions and set values
V PHASE
This adjusts the vertical synchronization to those of other cameras
when a selector switch for the synchronizing system on the side
is at LL. (50Hz power region only.)
When it is not set to LL, "---" will appear, disabling change
the set value.
[Set value: –156 to 0 to 156]
H PHASE
This adjusts the horizontal synchronization to those of other
cameras and systems when a selector switch for the
synchronizing system on the side is at INT/GL.
When external signals are not input, "---" will appear, disabling
change the set value.
[Set values: –16 to 0 to 16]
SC COARSE
Coarse adjustment of the SC phase in gen-lock operation.
The SC phase can be varied by up to 90° in each direction.
Adjust with reference to another camera (or system) and
together with the SC FINE adjustment.
Adjust SC COARSE and SC FINE only after adjusting H
PHASE.
When it is not set to GL, "---" will appear, disabling change
the set value.
[Set values: 0°, 90°, 180°, 270°]
SC FINE
Fine adjustment of the SC phase in gen-lock operation.
When it is not set to GL, "---" will appear, disabling change
the set value.
[Set values: 0 to 255]

ALC SETTINGS Screen

This makes automatic adjustments according to brightness.
Item
Functions and set values
Adjusts the brightness level of the video signal.
IRIS LEVEL
• To lower the brightness level ... Decrease the value
• To raise the brightness level .... Increase the value
[Set values: –5 to NORMAL to 5]
Sets the exposure detection as a ratio of the average value
AVERAGE:
PEAK
and the peak value.
• AVERAGE value large: Increase the AVERAGE value
when portions other than the highlighted areas of the
screen are dark and look corrupted. (Ex. 10:0)
• PEAK value large: Increase the PEAK value when
halation occurs in the highlighted areas of the screen.
(Ex. 5:5)
[Set values: 10:0, 9:1, 8:2, 7:3, 6:4, 5:5]
E-26
Item
Initial value
SHUTTER
/ExDR
0
0
128
Initial value
NORMAL
8 : 2
* When the SHUTTER (ExDR) item is set to NORMAL, the following items
(SHUTTER SPEED, FAST LIMIT, ExDR LEVEL, and M.ExDR SPEED) cannot
be changed.
SHUTTER
SPEED
Functions and set values
This sets the electronic shutter as well as the ExDR (Extended
Dynamic Range).
The use of an electronic shutter function enables shooting with
proper brightness, as more brightness results in higher shutter
speed.
The ExDR function allows even the shooting of a subject having
different luminous flux density by composing a picture shot at 1/
100 sec. shutter speed with a picture shot by a high-speed
shutter.
NORMAL: This fixes the shutter speed to 1/50.
The ExDR does not function.
MANUAL: This sets the shutter speed by the item SHUTTER
SPEED on the SHUTTER screen.
The ExDR does not function.
When SENSE UP is functioning, MANUAL cannot be
selected. (Not displayed on MENU)
AUTO:
This automatically switches the shutter speed
according to brightness.
The ExDR does not function.
The item FAST LIMIT on the SHUTTER (ExDR) screen
sets a maximum shutter speed value.
M.ExDR: This is used when shooting a subject with difference
in a luminous flux density in the screen under a fixed
illumination condition, and so on. During ExDR mode,
the item M.ExDR.SPEED on the SHUTTER (ExDR)
screen sets the composing high shutter speed. It is
possible to set only when the items BLC and SENSE
UP are OFF. What's more, the ExDR LEVEL sets the
signal level of the composing high-speed shutter.
A.ExDR:
This is used when the subjects having different
luminous flux densities are continuously used night
and day in the situation where both indoor and outdoor
subjects are mixed in existence, and so forth. During
ExDR mode, the composing shutter speed
automatically varies according to the contrast of a
subject. This is set when shooting the subject with
changing brightness.
This can be set only when the item BLC is OFF.
What's more, the ExDR LEVEL sets the signal level
of the composing high-speed shutter.
MEMO
• Do not set to A.ExDR when using a manual lens.
• When M.ExDR mode or A.ExDR mode is used, the border
between a bright part and a dark part can be coloured (cyan,
orange, etc.), but this is not a malfunction.
• When the SHUTTER/ExDR item is set to M.ExDR or
A.ExDR, a flicker can occur under a fluorescent lamp,
mercury lamp, etc. However, this occurs by principle of the
ExDR function, and therefore this is not a malfunction.
This sets a shutter speed when MANUAL is set.
The AUTO, M. ExDR, A. ExDR set value is displayed as
"- - -" and cannot be changed
[Set values: 1/120, 1/250, 1/500, 1/1000, 1/2000, 1/4000, and 1/
10000]
Initial value
NORMAL
1/120
E-27

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