Thanks again for the helpful list Canada_Rockies!
Here were my steps
- Mount the flash on the camera
- Flash pointed straight forward
- Turn it on
- Turn on the camera
- Set the camera to Av
- Camera indicated F/4 and 0.3" for overall exposure of +0
- Camera ISO set to 100
- Select the aperture to match red/green
- Set the flash to red/green auto to match
- Flash mode slider set to Auto Red
- Wait until the flash ready light comes on
- [Fn] and enable the flash
- Flash mode set to Manual Fire
- Take a picture
- Scene is approximately 3-5 meters away
My overall shot is overblown - white refrigerator is over blown, brown cupboards overblown
If I set the overall exposure down to -1, it looks a little better (shutter speed sped up to 1/4)
At this point it seems like a matter of making adjustments - but should the guide settings on the back be a little more reliable?