About electronic beeper

With the power switch set to 0'1) ,the beeper is on. Two types of sound are emitted: a double-beep which indicates in-focus position, and continuous beeping which is either an operation signal or an alert. Double- beep

A double-beep is emitted when a stationary subject becomes in-focus in the Single Servo AF mode'.

Continuous beeping sound indicates: (As an operation signal)

• Film rewind is complete.

oSelf-timer is activated (pp. 95-96). (As an alert signal)

o Possible picture blur due to slow shutter speed in Programmed or Aperture-Priority Auto exposure mode.

o Possible over- or underexposure (with H : or t 0 indications) in auto exposure mode'.

Lens aperture is not set to the minimum setting in Programmed or Shutter-Priority auto exposure mode'.

Film reaches the end of the roll and requires rewinding'.

You have loaded a non-OX film or film with a damaged or unacceptable OX code for auto OX setting.

Camera detects an abnormality such as tom or damaged film during film advance.

Vari-Program is set with non-CPU lenses.

Shutter-Priority Auto exposure mode is set with Bulb setting.

Bulb setting is selected for Automatic Exposure Bracketing function of MF-26.

Speedlight is not set to TIL flash mode with Auto Multi-Program.

Data Link System users

You can use the Electronic Organizer to cancel the double- beep alert for in-focus and/or the continuous beep for picture blur alert.

The beeper also comes on when the camera's computer memory is full in the Memo Holder function.

For details, refer to Nikon AC-1 E card instruction manual.

• Sounds when the shutter release button is lightly pressed.

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Nikon N90 instruction manual About electronic beeper