JVC RM-HP250DE - Manual (Page 27)

17
Iris Adjustment
The camera lens iris can be adjusted from the RM-HP250.
Camera Adjustments
1.
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 con-
trol.
2.
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 control.
W T
IRIS MODE switch
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-HP250
IRIS AUTO/MANU button
IRIS control
● Set IRIS MODE switch of lens to side “A”.
● When ALC+EEI or FULL AUTO is ON, the AUTO/
MANUAL button is forced to the AUTO mode.
REF. : Consult the INSTRUCTION MANUAL of
the camera in use.
NOTE
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.)
LOW : 0 dB (No gain boost)
MID : 9 dB (Gain approximately tripled.)
HIGH: 18 dB (Gain approximately octupled.)
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)
REF. : Items 5D to 5F, “GAIN LOW, MID and HIGH”
on page 25.
Gain Adjustment
When the illumination of the object is insufficient, the electrical gain can be boosted as described
below.
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
9dB
GAIN display GAIN control
GAIN light
GAIN STEP switch
2.
When the GAIN control is pressed, the VARIABLE mode
starts and the GAIN light is turned on.
3.
The gain can be fine adjusted between 0.1 dB and 18 dB in
0.1 dB steps in the VARIABLE mode. Also, in this mode, the
maximum gain value can be set to 9 dB, 12 dB or 18 dB.
When the variation step is set to 1.0 dB, the gain can be
varied from 1 dB to 18 dB in 1 dB steps.
REF. : Items "5B: V.GAIN STEP" and "5C: V. GAIN
MAX" on page 25.
● The gain value set in the variable mode is applied in
priority over the gain switch setting.
● This function is unavailable when connected to GY-
HD250/GY-HD251.
NOTE
● When the FULL AUTO or ALC+EEI is ON, the gain be-
comes ALC. However, the GAIN is Lolux in the Lolux
mode. The gain cannot be varied in this mode.
NOTE
● Values that are not available on the camera cannot
be set on this unit.
● -3dB is not displayed when connected to GY-HD250/
GY-HD251.
REF. : “Operable Camera Features” on page 29.
NOTE