quickly switch between flash mode an no flash mode

[bitbonk]

I have the X-Pro2 and the EF20 Flash. When I want to use the flash I need to manually

• set the shutter (usually from "A") to "250X"
• set the ISO (usually from "A") to "200".

This is a very tedious task because

• it is usually dark (hence the flash), which makes it hards to see the dials
• the ISO dial is not what I would call ergonomic
• the flash obstructs the dials a bit

Is there a way to quicker switch between those two shooting modes? Maybe using some sort of presets?

Edited September 2, 2018 by bitbonk