Nikon SB-28 - Manual (Page 16)

After the SB-28 is turned on, the ready-light lights up as soon
as the SB-28 is recycled and ready to fire.
—Make sure the ready-light lights up before taking the picture.
The ready-light blinks when the flash fires at maximum output.
In TTL Auto Flash
t or Non-TTL Auto Flash ˙ mode, if the ready-lights
on the SB-28 and inside the camera’s viewfinder blink for approx. 3
seconds after the picture is taken, the flash has fired at its maximum
output, indicating that light may have been insufficient for correct exposure.
• In that case, use a wider aperture or move closer to the subject before taking any
more pictures.
Replace batteries.
• Replace alkaline-manganese batteries if the ready-light takes more
than 30 seconds to light up. Replace lithium batteries if the ready-
light takes more than 10 seconds to light up. See page 87-88,
Notes on batteries.
• Recharge NiCd or Ni-MH batteries if the ready-light takes more
than 10 seconds to come on.
• When exhausted batteries are used in the SB-28, the zoom-head
position adjustment may be activated repeatedly, producing sound
inside the unit, even when the power is turned off.
16
The ready-light