Exposure control, Iris lock – Technicolor - Thomson HP 270 User Manual

Page 54

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EN

53

3

Iris lock indicator

BACKLIGHT
Button

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).

+, – Button

Power Switch

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.

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.

EXPOSURE
Button

SET/SELECT
Button

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