JVC GY-HM710U GY-HM710 ProHD Camcorder 141 page owner's manual (includes GY-HM - Page 45

Adjusting the Iris

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Selecting the Aspect Ratio of SD Videos Select an aspect ratio for the images. The available options vary as follows depending on the [System Definition] setting. ● For AHD (MPEG2)B : Fixed at 16:9 ● For ASD (DV)B : 16:9, 4:3 Setting the Record Format Menu 1 Display the [Main Menu] B [Record Format] menu. 2 Set each of the items. 3 After setting is complete for all items, select [SET] at the bottom of the screen, and press the Set button (R). ● The record format is switched. ● A APlease WaitB message appears on the screen during switching. IRIS A M T W RET Adjusting the Iris You can adjust the aperture of the lens iris manually or automatically according to the brightness of the object. Iris Ring [IRIS] Switch 3 Manual Iris (Manual Adjustment) Mode Set the [IRIS] switch on the lens to AMB to enter Manual Iris mode. Turn the iris ring on the lens to adjust the iris manually. Memo : ● Even during Manual Iris mode, the camera recorder enters forced Auto Iris mode while the [IRIS AUTO] button is pressed. Auto Iris (Automatic Adjustment) Mode Set the [IRIS] switch on the lens to AAB to enter Auto Iris mode. The iris is automatically adjusted according to the brightness of the object. Memo : ● Even when the [IRIS] switch of the lens is set to AMB, it switches automatically to Auto Iris mode when the [FULL AUTO] switch is set to AONB. ● When [Iris Control] in the [Camera Function] B [FULL AUTO] menu is set to AOffB, you can adjust the iris manually even if the [FULL AUTO] switch on the camera recorder is set to AONB. (A Page 81) ● You can use the cross-shaped button (H I) on this camera recorder to set the target level (brighter/darker) of the auto iris. You can also use the menu to set the tracking sensitivity of the auto iris. (A Page 78) 39

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39
Selecting the Aspect Ratio of SD Videos
Select an aspect ratio for the images.
The available options vary as follows depending on the
[System Definition] setting.
●
For
A
HD (MPEG2)
B
:
Fixed at 16:9
●
For
A
SD (DV)
B
: 16:9, 4:
3
Setting the Record Format Menu
1
Display the [Main Menu]
B
[Record Format] menu.
2
Set each of the items.
3
After setting is complete for all items, select [SET] at
the bottom of the screen, and press the Set button (
R
).
●
The record format is switched.
●
A
A
Please Wait
B
message appears on the screen during
switching.
You can adjust the aperture of the lens iris manually or
automatically according to the brightness of the object.
Manual Iris (Manual Adjustment) Mode
Set the [IRIS] switch on the lens to
A
M
B
to enter Manual Iris
mode.
Turn the iris ring on the lens to adjust the iris manually.
Memo:
●
Even during Manual Iris mode, the camera recorder
enters forced Auto Iris mode while the [IRIS AUTO] button
is pressed.
Auto Iris (Automatic Adjustment) Mode
Set the [IRIS] switch on the lens to
A
A
B
to enter Auto Iris
mode. The iris is automatically adjusted according to the
brightness of the object.
Memo:
●
Even when the [IRIS] switch of the lens is set to
A
M
B
, it
switches automatically to Auto Iris mode when the [FULL
AUTO] switch is set to
A
ON
B
.
●
When [Iris Control] in the [Camera Function]
B
[FULL AUTO]
menu is set to
A
Off
B
, you can adjust the iris manually even if
the [FULL AUTO] switch on the camera recorder is set to
A
ON
B
. (
A
Page 81)
●
You can use the cross-shaped button (
HI
) on this camera
recorder to set the target level (brighter/darker) of the auto
iris. You can also use the menu to set the tracking
sensitivity of the auto iris. (
A
Page 78)
3
Adjusting the Iris
RET
IRIS
A M
W
T
[IRIS] Switch
Iris Ring