Panasonic Lumix S5 Mirrorless Camera - Manual (Page 383)

14. Menu Guide
383
[Custom] menu ¨ [Monitor / Display (Photo)]
[Constant Preview]
[ON]/ ` [OFF]
[SET] [Effect]
[Preview While MF Assist]
You can always confirm the effects of aperture on the
recording screen when in [A]/[M] mode.
You can also confirm the shutter speed at the same time
when in [M] mode.
0 You can set the combination of the aperture effect and the
shutter speed effect in [Effect].
0 Preview also operates in the MF Assist screen when
[Preview While MF Assist] is set to [ON].
0 The preview of the shutter speed effect does not work
when using a flash.