
| IRP ~ F3.B I |
If H : appears in the shutter speed | If lo appears in the shutter speed |
Nikon NO or similar filter. | a Nikon Speedlight, higher ISO film or |
| lens with faster aperture, whichever is |
| suitable. |
If FEE blinks in the aperture
If shutter speed indication blinks inside
If green 'I mark
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