Contax TVS DIGITAL Instruction Manual page 39

Press the shutter release button halfway down to focus the subject. The in-focus indicator ("O")
lights and the focus is locked (focus lock). Focus is fecked as long as the shutter release button is
hallway depressed and does not change even when you move the camera.
Use the focus lock function when the composition forces you to place the subject outside of
the camera's focus frame.
I
Aim the lens at the subject so that the subject appears in the focus frame and
press the shutter release button halfway down.
The subject is focused, the in-focus indicator sounds and "o" on the LCD monitor and the standby
LED (green) beside the finder light to indicate that focusing is locked.
• In addition to focus, the exposure is also locked (AE lock).
2
Keep the shutter release button halfway depressed, recompose the picture and
fully depress the shutter release button.
• The locus lock Is released when you take your finger off the shutter release button.
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