Nikon 3700, 3699, 55 instruction manual

NOTE: When optional Speedlight is attached

Turn on the optional Speedlight power switch or set the built-in Speedlight to Flash Cancel mode so the built-in Speedlight won't pop up automatically when an optional Speedlight is attached. When the built-in Speedlight automatically pops up in 8 or Vari-Program (except D or ~""Q), vignetting or uneven illumination may result since the Speedlight may not pop up all the way. ,

NOTE: Flash attachments made by manufacturers other than Nikon

Use only Nikon Speedlights. Other units may damage the camera'selectrical circuit	I
due to incompatible voltage requirements (not compatible with 250V or higher),
electric contact alignment or switch phase. When flash attachments made by
manufacturers other than Nikon are attached, the built-in Speedlight may not pop up
all the way (with power switch of the Speedlight on or off). When the built-in
Speedlight is automatically fired in 8 or Vari-Program (except D or ~Q), vignetting
or uneven illumination may result.

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