Nikon D3400 Triple Lens Parent's Kit Owner's Manual

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128 P, S, A, and M Modes
6
Check the results.
If the camera was able to measure a 
value for white balance, the message 
shown at right will be displayed and 
a will flash in the viewfinder and the 
camera will return to shooting mode. 
To return to shooting mode 
immediately, press the shutter-release 
button halfway.
If lighting is too dark or too bright, the 
camera may be unable to measure 
white balance. A message will appear 
in the information display and a 
flashing 
b a will appear in the 
viewfinder. Return to Step 5 and 
measure white balance again.