Long press any F1 key for 3-5 seconds to
pop-up a shortcut menu directly.
After the pop-up shortcut menu is shown,
press the F1 button to set the value or mode
of that shortcut option, then press EXIT to
exit.
Function of F1 button can also be
customized as one of following functions :
Center Marker, Aspect Marker, Check Field,
Underscan, Scan, Aspect, DSLR, Freeze,
Peaking, False Color, Exposure, Histogram,
Level Meter.
Default function:
F1: Peaking
3.5mm headphone socket. Internal speaker
circuit will automatically mute when
headphones are connected.