Instruction Manual
67AX and 67AD CCP Ground Microphone System | 2
Copyright Notice
© 2011-2018 GRAS Sound & Vibration A/S
http://www.gras.dk
Any technical documentation that is made available by GRAS is the copyrighted work of G.R.A.S.
and is owned by GRAS
The content in this document is subject to change without notice. GRAS Sound & Vibration A/S is
not liable or responsible for any errors or inaccuracies that may appear in this document.
Trademarks
Any other product names mentioned in this document may be trademarks or registered trade-
marks of their respective companies and are hereby acknowledged.
Revision History
Any feedback or questions about this document are welcome at
gras@gras.dk
.
Revision
Date
Description
1
27 May 2011
First publication
2
25 June 2012
Added calibration and verifi cation information
3
4 December 2018
In situ-calibration added
