JVC GR-DVX90 specifications Exposure Control, Iris Lock

Press EXPOSURE. “EXP.” and the exposure control indicator appear.

38 EN RECORDING Advanced Features For Video And D.S.C. (cont.)

Exposure Control

Manual exposure adjustment 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 light.

Set the Operation Switch to “ ” and set the
1 POWER Switch to “	” while pressing

down the Lock Button located on the switch, then pull out the viewfinder fully or open the LCD monitor fully.

2

3 Rotate the MENU wheel towards “+” to brighten the image, or towards “–” to darken the image. (maximum ±6)

4 Press the MENU wheel. Exposure adjustment is complete. “EXP.” goes out.

To Return To Automatic Exposure Control . . .

.... press EXPOSURE or set the Operation Switch to

“”.

To Brighten The Subject Quickly . . .

.... press BACKLIGHT. is displayed and the

subject is brightened. If pressed again, disappears and the brightness returns to the previous level.

•+3 exposure has the same effect as the BACKLIGHT Button.

•Using BACKLIGHT may cause the light around the subject to become too bright and the subject to become white.

•Backlight compensations is also available when the Operation Switch is set to “ ”.

Iris Lock

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 the following steps, perform steps 1 and 2 of “Exposure Control”.

3 Adjust zoom so that the subject fills the LCD monitor or the viewfinder, then press and hold the MENU wheel for over 2 seconds. The exposure control indicator and “ ” appear. Press the MENU wheel. “ ” changes to “ ” and the iris is locked. “EXP.” goes out.

BACKLIGHT Button (2)

EXPOSURE Button (4/6)

POWER Switch

EXP .

0

Operation Switch

Iris lock indicator

MENU Wheel

To Return To Automatic Iris Control . . .

.... press EXPOSURE so that the exposure control

indicator and “ ” disappear. Or, set the Operation Switch to “”.

To Lock The Exposure Control And The Iris . . .

.... after step 2, adjust the exposure rotating the

MENU wheel. Then lock the iris in step 3. For automatic locking, press EXPOSURE again in step 2. The iris becomes automatic after about 2 seconds.

Iris

Like the pupil of the human eye, it contracts in well- lit environments to keep too much light from entering, and dilates in dim environments to allow in more light.