Exposure Control, Iris Lock | Technicolor

Exposure Control

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 “ ” while pressing down the Lock Button located on the switch. Open the LCD monitor fully or pull out the viewfinder fully.

2 Press EXPOSURE. The exposure control indicator appear.

3 Press + to brighten the image, or – to darken the image. (maximum ±6)

4 Press SET/SELECT. Exposure adjustment is complete.

To Return To Automatic Exposure Control . . .

…press EXPOSURE twice or set the Power Switch to “”. (If EXPOSURE is pressed once, the camcorder will enter the exposure control mode again.)

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 Button may cause the light around the subject to become too bright and the subject to become white.

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

NOTE:

You cannot use the manual exposure control at the same time with backlight, spotlight ( pg. 48) compensation and “SNOW” ( pg. 48).

	SET/SELECT	+, – Button
	Button	BACKLIGHT
	Button	Button
		Button

EXPOSURE

Button

Power Switch

EN53

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 SET/SELECT for over 2 seconds. The exposure control indicator and “ ” appear.

Press SET/SELECT. “ ” changes to “ ” and the iris is locked.

Iris lock indicator

To Return To Automatic Iris Control . . .

... press EXPOSURE twice so that the exposure control indicator and “ ” disappear. Or, set the Power Switch to “ ”.

To Lock The Exposure Control And The Iris . . .

... after step 2 of “Exposure Control”, adjust the exposure by pressing + or –. Then lock the iris in step 3 of “Iris Lock”. For automatic locking, press EXPOSURE twice 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.

HP 270 specifications

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Technicolor - Thomson HP 270 user manual Exposure Control, Iris Lock

Models: HP 270