You can use the device alignment settings to make advanced adjustments to your device alignment. These settings can be useful to adjust for a tilted mounting rail.

From the main menu, select > PRO SETTINGS > DEVICE ALIGNMENT.

SHIM

Displays a vertical line on the screen to help you shim the mount. You should always verify the vertical line aligns with a plumb reference point.

TARE LEVEL

Resets the level to the zero value.

SECOND AXIS CALIBRATION

Sets options to move the aim point left or right (Calibrating the Second Axis).