1. Introduction 
 
1.1.  Foreword 
 
Congratulations  on  purchasing  the  APS-3. The  APS-3  is  a  high  precision  GNSS 
satellite  receiver  with  integrated  state-of-the-art  wireless  communications  specifically 
designed  for  the  Surveying  market. This  APS-3  User  Manual  contains  important 
reference information to assist you with using your new receiver. 
 
1.2.  User Notice 
 
This  section  provides  information  regarding  FCC,  CE,  Warranty  and  Customer 
Service with Support. All specifications are typical and subject to change without prior 
notice. ALTUS Positioning Systems reserves the right for improvements and changes to 
this document, products and services without notice or obligation. 
 
1.2.1.  FCC 
 
The APS-3 has been tested and found to comply with Part 15 of the FCC rules. 
The standard is designed to provide reasonable protection against harmful interference 
when operated in a commercial environment. This device will receive and transmit radio 
frequency  which  may  cause  interference  to  radio  communications  unless  operated  as 
specified according to this User Manual.  
 
1.2.2.  CE Mark 
 
The  APS-3  carries  the  CE  mark,  which  indicates  compliance  with  the 
Electromagnetic Compatibility (EMC) directive and the Low Voltage Directive (LVD) of the 
European Union (EU).