Nikon SB-28 instruction manual Troubleshooting, Cameras in Groups V and, FM3A, New FM2

Troubleshooting

Warning indications

The flash ready-light in the camera's viewfinder will blink:

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F90X/N90s viewfinder display is shown.

Cameras in Groups I (except F70-Series/N70), II, III, V and VI.

—in the tmode, when you press the shutter release button halfway, to warn that the SB-28 has not been securely mounted on the camera or that the flash output may have been insufficient for correct exposure.

Cameras in Groups V and VI

—in the tmode, to indicate that the ISO rating of the film in use is higher than the ISO set on the SB-28's LCD panel, (or lower in the case of the FA camera).

Cameras in Group VI

—in the tmode, when the shutter speed is set to M90, M250, or B.

Cameras in Group VII

—to warn that tflash shooting is not possible.

FM3A, New FM2

—when the shutter speed set is faster than the flash sync speed.

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