Northern Airborne Technology NPX138 - Manual (Page 17)

SM41 Rev. 4.00 NPX138 Panel Mount Radio Manual
1.5.3
Special Options
The digit in the second position of the unit suffix indicates any special options installed.
NPX138 N - 000
0
= No Special options installed
5 = USFS Standard Guard
6 = Custom Guard - consult factory for details
7 = Synthesized Guard
Other = Special options installed - consult factory for details
1.5.4
Voice-Inversion Encryption
The digit in the third position of the unit suffix indicates whether voice inversion
encryption is installed.
NPX138 N - 000
0
= No Encryption
1 = Encryption
End of section 1.0
Nov 10, 2003 Page 1-5
ENG-FORM: 800-0106.DOT
Amendment # 4 Jun 1 0, 2005
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.