JVC gy-hm790 ユーザーズマニュアル

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16
Zoom Lens
(Supplied with GY-HM790U/GY-HM790E only)
A
Focus Ring
B
Zoom Lever/Ring
To operate zoom with this lever, turn the [ZOOM] switch M 
and set it to 
AMANU.B.
C
Iris Ring
To operate auto iris, set the iris mode switch H to 
AAB.
D
Lens Cable
E
[REC] Record Trigger Button
Starts/stops recording.
F
[RET] Return Video Button
Press this button to play back and check the latest clip, 
according to the settings under [Clip Review] of [Switch Set] 
in the [Camera Function] menu. (A Page 79)
(A Page 56 [Viewing Recorded Videos Immediately (Clip 
Review)])
Memo :                                                                                 
● When [LENS RET] of [Switch Set...] in the [Camera Function] 
menu is set to 
AFocus AssistB, this button functions as the 
Focus Assist button. When it is set to 
AReturnB, a return 
                                                                                                    
video is displayed. (A Page 79)
G
Zoom Servo Control Lever
To operate zoom servo with the zoom servo control lever, set 
the [ZOOM] switch M to 
ASERVOB.
● Zooms into wide angle and increases the angle of view 
when 
AWB is pressed.
● Zooms into telephoto and decreases the angle of view when 
ATB is pressed.
● Zoom speed increases when the lever is pressed hard.
H
Iris Mode Switch
I
Iris Momentary Button
Press and hold this button to change to auto iris mode when 
the iris mode switch H is set at 
AMB.
J
[I.G.] Iris Speed Adjustment Knob
If the speed is set too fast, opening/closing of the iris 
becomes unstable and hunting may occur. Readjust the 
speed in this case.
K
Filter Built-In Screw
A transparent or UV filter for lens protection can be installed 
inside the lens hood from the front. Filters for various effects 
can also be used.
● Installable filter types
L
Zoom Servo Connector
For connecting a zoom servo unit (sold separately).
M
[ZOOM] Zoom Switch
N
Back Focus Ring/Lock Screw
Exclusive ring for adjusting the back focus. After adjusting, 
secure with a lock screw.
(A Page 28 [Adjusting Back Focus])
O
[M] Macro Focus Ring (for close-ups)
Turn the ring in the direction of the arrow to take close-up 
shots of small objects.
Normal focusing and zooming cannot be performed in macro 
mode.
To take macro shots
● Set focus ring A to infinity (n).
● Set zoom ring B to the maximum wide angle.
● Rotate this ring in the direction of the arrow to adjust 
focus on the object.
Note :                                                                                                
● As the back focus knob is located nearby, be careful not to 
mistake the two knobs.
● Do not forget to restore the macro ring to its original position 
                                                                                                    
M
RET
IRIS
A M
W
T
REC
H
A
B
C
I
G
F
E
N
L
O
D
J
K
MANU.
SERVO
ZOOM
M
CANON KT14 x 4.4KRSJ
A
: Auto iris operation mode.
M
: Manual iris operation mode.
When installed on the hood
: 82 mm P0.75
When installed on the lens body : 72 mm P0.75
SERVO
: Enables zooming with the zoom servo control 
lever G.
MANU.
: Enables zooming with the zoom lever/ring B.