The SDM 300/500 Dash displays can be mounted in 2 ways:
1) Fixed with the supplied industrial strength velcro on a flat surface or mounting base.
2) Bolted with the supplied studs to the vehicle dashboard or on a mounting base.
SDM-300/500
The mounting studs can be inserted in the 4 inner threaded holes.
SDM550
SDM700
Viewing Angle
The TFT color displays are designed to be mounted so that the drivers eyes are a little higher than the perpendicular projection from the screen. This orientation will provide the best optical performance.