know your camera (manual)

Brooke Lozdoski- Block B
Camera name: Kodak Easyshare C643
Megapixels: 6.1
10 interesting facts:
• 3x optical zoom (35mm equivalent: 31-108mm)
• Digital red eye reduction
• After taking photo you can magnify up to 8x
• There is a in camera memory card
• Auto picture rotation
• Color modes (color, sepia, black and white)
• 0.7 click to capture
• On camera copping
• Blurry picture alert
• Undo deleted pictures
Two questions:
How do you change the F stop?
How do you turn on the timer?
What is the ISO speed?