Nikon D3400 Reference Manual page 7

Focus............................................................................................. 69
Focus Mode .......................................................................................... 69
AF-Area Mode ...................................................................................... 74
Focus Lock............................................................................................. 79
Manual Focus ....................................................................................... 81
Image Quality and Size ............................................................. 84
Image Quality....................................................................................... 84
Image Size ............................................................................................. 86
Using the Built-in Flash ............................................................. 87
Auto Pop-up Modes........................................................................... 87
Manual Pop-up Modes ..................................................................... 89
ISO Sensitivity ............................................................................. 93
Remote Control Photography ................................................. 95
Using an Optional ML-L3 Remote Control ................................ 95
P, S, A, and M Modes
Shutter Speed and Aperture.................................................... 98
Mode P (Programmed Auto) .......................................................... 99
Mode S (Shutter-Priority Auto) .................................................... 101
Mode A (Aperture-Priority Auto) ................................................ 103
Mode M (Manual) ............................................................................. 105
Long Time-Exposures (M Mode Only)....................................... 107
Exposure .................................................................................... 111
Metering............................................................................................... 111
Autoexposure Lock .......................................................................... 113
Exposure Compensation................................................................ 115
Flash Compensation........................................................................ 117
Preserving Detail in Highlights and Shadows .................... 119
Active D-Lighting.............................................................................. 119
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