Setup of the Fusion is simple. Once powered…depressing the similarly colored mode button—on
the top left side of the binocular—for three seconds puts the Fusion into “Setup,”
and a subsequent push enables toggling between “Bow,” “Rifle,” or “REG” modes.
The power button then confirms the selection. Following this, the user chooses
a unit of measure (yards or meters), Variable Sight-In (VSI)…measurement
units of hold-over/bullet…and the final option, display brightness…