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Exposure control, Iris lock, Pg. 25) – JVC GR-D54 User Manual

Page 25: Exposure control iris lock

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NOTES:

● Be sure to focus the lens in the maximum telephoto position

when you use the Manual Focus mode. If you focus in on a
subject in the wide-angle position, sharply focused images
cannot be obtained when zoomed up because the depth-
of-field is reduced at longer focal lengths.

● When the focus level cannot be adjusted any further or

closer, “

” or “

” will blink.

Manual exposure control is recommended in the
following situations:

● When shooting using reverse lighting or when the

background is too bright.

● When shooting on a reflective natural background such as

at the beach or when skiing.

● When the background is overly dark or the subject is bright.

1

Set the Power Switch to “M” while pressing down the

Lock Button located on the switch.

2

Open the LCD monitor fully. (

੬ pg. 12)

3

Press the MMENU/VOL. Wheel in. The Menu Screen

appears.

4

Rotate the MMENU/VOL. Wheel to select

“p (EXPOSURE)”, and press it.

5

Rotate the MMENU/VOL. Wheel to select “MANUAL”,

and press it.

● The exposure control indicator appears.

6

To brighten the image, rotate the MMENU/VOL.

Wheel towards “+”. To darken the image, rotate the
MMENU/VOL. Wheel towards “–”. (maximum ±6)

● +3 exposure has the same effect as the backlight

compensation. (

੬ pg. 26)

● –3 exposure has the same effect as when “r” is set to

“SPOTLIGHT”. (

੬ pg. 23)

7

Press the MMENU/VOL. Wheel in. Exposure

adjustment is complete.

To return to automatic exposure control
Select “AUTO” in step

5. Or, set the Power Switch to “A”.

NOTES:

● You cannot use the manual exposure control at the same

time when “r” is set to “SPOTLIGHT” or “SNOW”
(

੬ pg. 23), or with the backlight compensation. (੬ pg. 26)

● If the adjustment does not cause any visible change in

brightness, set “GAIN UP” to “AUTO”. (

੬ pg. 18, 19)

Like the pupil of the human eye, the iris contracts in well-
lit environments to keep too much light from entering,
and dilates in dim environments to allow in more light.
Use this function in the following situations:

● When shooting a moving subject.

● When the distance to the subject changes (so its size in the

LCD monitor or the viewfinder changes), such as when the
subject is backing away.

● When shooting on a reflective natural background such as

at the beach or when skiing.

● When shooting objects under a spotlight.

● When zooming.

When the subject is close, keep the iris locked. Even
when the subject moves away from you, the image will
not darken or brighten.
Before doing the following, perform steps

15 in

“Exposure Control”.

6

Adjust zoom so that the subject fills the LCD monitor

or the viewfinder, then press and hold the MMENU/VOL.
Wheel for over 2 seconds. The exposure control indicator
and the “

” indication appear.

7

Press the MMENU/VOL. Wheel

in. The “

” indication changes to

” and the iris is locked.

To return to automatic iris
control
Rotate the MMENU/VOL. Wheel
to select “AUTO”, then press it in
step

5. Or, set the Power Switch to

“A”.

● The exposure control indicator and “ ” disappear.

To lock the exposure control and the iris
After step

5 of “Exposure Control”, adjust the exposure

by rotating the MMENU/VOL. Wheel. Then lock the iris in
steps

6 and 7 of “Iris Lock”. For automatic locking, rotate

the MMENU/VOL. Wheel to select “AUTO”, then press it
in step

5. The exposure control and the iris become

automatic.

Exposure Control

Iris Lock

3

Iris Lock Indicator

GR-D54EX.book Page 25 Thursday, November 27, 2003 8:03 PM