Set the mode dial to e, K, b, cor a.
Press the four-way controller (3).
The [Flash Mode] screen appears.
Select Ior kand press the 4button.
Press the K/ibutton.
The built-in flash pops up.
Take a picture.
Trailing Curtain Sync slows the shutter speed. Use the Shake Reduction function or turn off the Shake Reduction function and use a tripod to avoid camera shake.