JVC LST1153-001A, Инструкция по эксплуатации, Страница: 27 / 44

17
When the illumination of the object is insufficient, the
electrical gain can be boosted as described below.
Memo :
●
When the [FULL AUTO] or [ALC + EEI] is ON, the gain
becomes ALC. However, the Gain is Lolux in the Lolux
mode. The gain cannot be varied in this mode.
1
The gain is boosted according to the position of the
[GAIN-STEP] switch as shown below
(The gain boost values shown below are factory
settings.)
The gain boost values of these switch positions can be
modified to the following values.
(Available values: -3 dB, 0 dB, 3 dB, 6 dB, 9 dB, 12 dB, 15dB,
18 dB)
(
A
Page 25 [GAIN LOW], [GAIN MID] and [GAIN HIGH])
Memo :
●
Values that are not available on the camera cannot be set
on this unit.
● A
-3 dB
B
is not displayed when connected to GY-HM790
series.
( A Page 29 [Operable Camera Features])
2
When the [GAIN] control knob is pressed, the Variable
Gain mode starts and the [GAIN] light is turned on
Memo :
●
The gain value set in the Variable Gain mode is applied in
priority over the gain switch setting.
●
This function is unavailable when connected to
GY-HM790 series.
3
The gain can be fine adjusted between 0.1dB and
1 8 dB in 0.1dB steps in the Variable Gain mode. Also, in
this mode, the maximum gain value can be set to
A
9 dB
B
,
A
12 dB
B
or
A
1 8 dB
B
When the variation step is set to
A
1.0 dB
B
, the gain can be
varied from 1dB to 18dB in 1dB steps.
(
A
Page 25 [V. GAIN STEP] and [V. GAIN MAX])
The camera lens iris can be adjusted from the
RM-HP790DU/RM-HP790DE.
Memo :
●
When the light in the [IRIS-AUTO/MANU] button is not lit,
the iris control is set to Auto mode, in which the iris level is
controlled automatically according to the light intensity.
The auto iris value cannot be adjusted with the [IRIS-
CLOSE OPEN] control knob.
1
When the light in the [IRIS-AUTO/MANU] button is lit
by pressing the button, the iris control is set to Manual
mode, in which the iris level can be controlled using the
[IRIS-CLOSE OPEN] control
Memo :
●
Set [IRIS MODE] switch of lens to side
A
A
B
.
●
When [ALC + EEI] or [FULL AUTO] is
A
ON
B
, the [IRIS-
AUTO/MANU] button is forced to the Auto mode.
(
A Consult the [INSTRUCTION MANUAL] of the camera
in use.)
Gain Adjustment
LOW : 0 dB (No gain boost)
MID : 9 dB (Gain approximately tripled.)
HIGH : 18 dB (Gain approximately octupled.)
SHUTTER
GAIN
F3
MENU/SHUTTER GAIN
PAINT AUTO
B R
W.BAL
WHITE
STEP
SHUTTER
MENU
PUSH-ON
DOWN UP
VARIABLE
PUSH-ON
HIGH
LOW
B
A
PRESET
MID
DOWN UP
F4
9 dB
[GAIN] control knob
[GAIN] light
Gain display
[GAIN-STEP] switch
Iris Adjustment
WHITE MASTER BLACK IRIS
P
PAINT
R
AUTO
B
H
W.BAL
POWER
AUTO
MANU
B
A
CLOSE OPEN
PRESET W
MID
REMOTE CONTROL UNIT RM-HP790
[IRIS-CLOSE OPEN] control knob
[IRIS-AUTO/MANU] button
W T
[IRIS MODE] switch