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Question: How do you set the P7800 to take RAW or RAW plus Jpeg images?   I can not find those settings in the menu.
Document: Under almost each position of the selector dial (with PMAS, etc.) you will find a different menu, belonging to the selected option. The camera has 2 function-buttons, where you can add the function you want under the tip of your fingers. The big selecting wheel has also 3 user modes where you can combine your own set of settings.The buttons and dials of the camera are all placed logically.
Adobe has released a &#8220;release candidate&#8221; for Lightroom and Camera RAW, which can handle the RAW-files of this P7800. Probably there will be pretty soon an update. If you photograph in RAW you need some patience, because the storing of those files to your memory card can take a few seconds. Not a big problem when you photograph landscape and architecture like me and value quality images.
Under the menu Monitor Settings, you can set the LCD to show histogram, grid, and virtual horizon. Furthermore, Fn1 can be set in combination with other controls to your favorite short cuts (ISO, drive? )Output: the proof of the quality of the camera is in the output pudding. I use jpegs to publish on the web and with the Powerpoint training material that I develop. These outputs are not demanding but my fine art prints are.
It is also quite bright (a big plus for the autofocus) with good sharpness and low distortion which the camera corrects automatically unless you turn it off and do it yourself in software. I (also) use DxO Optics Pro, whose latest version has the P7800 module for Raw conversion and the results are spectacular.Outdoors: I mostly shoot Raw + jpeg in A mode up to ISO400 to limit noise.
The G16 has no Fn buttons.The ISO can be set from 80 to 3200, plus Hi1 (6400). In addition to full Auto, you can limit the upper Auto value to 200, 400, or 800. That's very thoughty.The P7800 offers three ways to deal with high dynamic range subjects.
I found myself rapidly adjusting settings without looking, being confident that I was getting it right. The colors in the viewfinder aren't perfect, but it provides more than  enough resolution to thoughtfully compose images. I found the manual focus  very easy to use compared to other compact-ish cameras I've tried, especially since it can all be done through the viewfinder.I like that the P7800 has a real lens cap, real camera heft, and real controls.
The P7800 has a modern, state-of-the-art image processor and sensor, so it is no surprise that its JPEGs compare favorably to images from not much older cameras with much larger sensors. And its RAW (NRW) files have the potential to be outstanding, except perhaps in terms of low-light noise.
One feature I found very easy and useful to use is it is trivial to set the camera for multiple exposures (-1, 0, +1) and get 3 quick exposures of the same image. Images can be shot in jpg, jpg + raw or raw. As with all new raw formats, I am waiting for Adobe to catch up with this raw format, so all of my observations are based on jpg files.I look forward to taking this with me on my next trip.
The articulating display is much better than the one on my old P7100 which could only be pulled out.It didn't take long for me to go through the menu system on this camera. I do make setting changes:  spot metering, center focus, etc. Simple to make changes. I mostly shoot in Aperture and Program mode.I like having the front lens cap. I haven't had any issues with it falling off in my bag. It fits snug on my the lens.
And as an eye glass wearer, I really like the diopter adjustment.I use the SanDisk Extreme 16 GB SDHC Class 10 UHS-1 Flash Memory Card 45MB/s, the same as I use in my Nikon D7000, and I have no complaints with the camera's shooting speed, whether jpeg or RAW (NRW).I do recommend a spare battery, I'm not sure if I fully trust the battery minder, sometimes it seems to jump rather quickly from maybe 75% charge to less than 25%.
Answer: Hi: strangely, it doesn't seem that you do so through the main menu that you access via the Menu button.  However, the qual/iso/wb button that is one of two buttons next to the view finder is the way to do it: NRW.