Display Selector
Navigation and Displays Source Panel
CONTROL PANEL Select Switch

NORMAL – The left EFIS control panel controls the Captain’s
displays and the right EFIS control panel controls the First
Officer’s displays.

BOTH ON 1 - Provides a means of manually switching control of
the Captain’s and First Officer’s displays to a single EFIS
control panel. In this position the left EFIS control panel controls
both the Captain's and First Officer's displays.

BOTH ON 2 – Provides a means of manually switching control
of the Captain’s and First Officer’s displays to a single EFIS
control panel. In this position the r
ight EFIS control panel
controls both the Captain's and First Officer's displays.