Nikon Camera N90 - Manual (Page 188)

In Aperture-Priority Auto exposure mode
If H t appears, background may be overexposed. To give
the background a correct exposure, set a smaller aperture. If
H I remains with the lens set to minimum aperture,
background will be overexposed unless flash output level is
compensated.
If electronic analog dispaly Indicates (minus)" value,
background may be underexposed. To give the background
a correct exposure, set a wider aperture or set Slow Sync to
extend the automatically controlled shutter speed range. If
the electronic analog display remains with the lens set to
maximum aperture, the background will come out
underexposed unless flash output level is compensated.
In the Slow Sync or Rear-Curtain Sync mode, i. o may
appear in the LCD readout to signal that the background
may come out underexposed.
In Manual exposure mode
If electronic analog display indicates "-i- (plus)" or
(minus)" values, backgound may be over- or
underexposued. To give the backgound a correct exposure,
adjust shutter speed/aperture.
If electronic analog display indicating value remains with
the lens set to maiximum aperture, the background will be
underexposed unless flash output level is compensated.
119