Nikon Camera N90 - Manual (Page 18)

About electronic beeper
With the power switch set to ■')) ,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.
• Self-timer is activated (pp. 95-96).
(As an alert signal)
• Possible picture blur due to slow shutter
speed in Programmed or Aperture-Priority
Auto exposure mode.
• Possible over- or underexposure (with H I
or I. o 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*.
• Sounds when the shutter release button is lightly pressed.
• You have loaded a non-DX film or film with
a damaged or unacceptable DX code for
auto DX setting.
• Camera detects an abnormality such as
torn or damaged Aim 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 TTL 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-IEcard
instruction manual.
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