Nikon Coolpix S640 User Manual
Page 163
151
Troubleshooting
Techn
ica
l Not
es
Optical zoom cannot
be used.
Optical zoom cannot be used while recording movies.
Digital zoom cannot
be used.
• Digital zoom is set to Off in the setup menu.
• Digital zoom cannot be used in the following
situations.
- When
Scene auto selector, Portrait or Night
portrait is selected for scene mode
- When subject tracking mode is selected
- When smart portrait mode is selected
- When
Multi-shot 16 is selected for Continuous
- Before movie recording begins (digital zoom of up
to 2× can be applied while movies are being
recorded)
Image mode not
available.
Another function that is set now is restricting
Image
mode.
No sound when
shutter is released.
• Off is selected for Shutter sound of the Sound
settings option in the setup menu.
• Continuous, BSS, or Multi-shot 16 is selected for
Continuous in shooting menu.
• When Sports, or Museum is selected in scene mode.
• Blink proof is set to On for smart portrait mode.
• D mode is selected.
• Do not block the speaker.
AF-assist illuminator
does not light.
• Off is selected for AF assist in the setup menu.
• AF-assist illuminator turns off automatically in some
scene modes.
Pictures appear
smeared.
Lens is dirty. Clean lens.
Colors are unnatural.
White balance does not match light source.
Randomly spaced
bright pixels (“noise”)
appear in image.
The subject is dark, so shutter speed is too slow or ISO
sensitivity is too high. Noise can be reduced by:
• Use flash.
• Specifying a lower ISO sensitivity setting.
• Using a scene mode which has noise reduction ability.
Pictures are too dark
(underexposed).
• Flash is W (off).
• Flash window is blocked.
• Subject is beyond flash range.
• Adjust exposure compensation.
• Raise the ISO sensitivity.
• Subject is backlit. Use Backlight or change the flash
mode to X (fill flash).
Pictures are too bright
(overexposed).
Adjust exposure compensation.
Problem
Cause/Solution
A