{HEAD ~ The measurement device} is usable in a mobile operation mode as {TAIL ~ hand} held device and also in an immobile operation mode as desk top device 
{ HEAD ~ The measurement device } is usable in a mobile operation mode as { TAIL ~ hand } held device and also in an immobile operation mode as desk top device
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH