User Manual

Confidentoial
Patent #’s 7,420,471
5,939,986 and 6,810,353
Patent Pending
Page 5 of 9
Strata Proximity Systems Underground PAD Users Manual v1.0
Confidential and Proprietary
September 1,
2011
The Strata label defined the Software (sw) version and Interface model number used inside the
PAD. The MSHA label provides the MSHA approval number, specific MSHA certification, serial
number and operational warning for fresh air charging only.
1.4.1.1 MSHA Blasting Distance
MSHA approval requires that a minimum of 40 inches shall be maintained between the
Underground PAD and any blasting circuits, explosives or detonators.