Hitachi HV-D25 User Manual
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3) GAIN:Gain mode
•
NORMAL:The gain level is set to 0 dB.
•
HIGH:
The gain level is set to a value specified at GAIN HIGH on the SUB menu 1.
•
MAX:
The gain level is set to a value specified at GAIN MAX on the SUB menu 1.
•
AGC:
An increase in gain is controlled automatically. The upper limit of gain to be increased corresponds to
a value specified at AGC on the SUB menu 2.
In the Auto CAM mode, gain is fixed at AGC.
4) ULTRA GAIN:ULTRA GAIN ON/OFF
The on setting increases the sensitivity about 12 dB (but there is some loss of resolution).
5) DTL:DTL level setup
The DTL level can be set to OFF or in a range of -128 to 127. The degree of contour correction increases in
the positive value setting, and it decreases in the negative value setting. For zero (0) setting, hold down both
the L and R buttons for approx. two seconds. However, if setting is OFF, 0 is not set over if the buttons are
pressed.
6) DNR:Digital noise reduction mode
OFF, MODE 1 or MODE 2 is selectable. In MODE 2, noise becomes lower than that in MODE 1 but a feel of
image resolution becomes lower slightly.
8) SUB MENU 1:The SUB menu 1 is brought up.
9) SUB MENU 2:The SUB menu 2 is brought up.
10) ALC:The ALC is brought up.
10) FILE INITIALIZE:Returns main menu items of application file to factory settings.
Simultaneously press the L and R buttons for about 2 seconds to initialize the selected application file. The
Special menu items are not initialized.
N
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A
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H
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G
H
M
A
X
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L
L
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8
0
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7
O
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