Acer CR-6530 User Manual page 44

The shutter speed and corresponding aperture value are displayed on
the screen. If an appropriate combination cannot be set, the aperture
value is displayed in red, but photographs can be taken.
3. Compose the picture, press the shutter button down halfway, then press it
down fully.
44-E
Setting the shutter speed slower than 0.5 second will result in long
exposure photography and the [
In the flash photography mode, when[
shutter speed is 1/250 second.
In the capture mode [Continuous] and [Auto Exp.], the shutter speed
cannot be set slower than 0.5 second.
] will be displayed on the screen.
] and [ ] are set, the fastest