Northern Airborne Technology NPX138 - Manual (Page 16)

NPX138 Panel Mount Radio Manual SM41 Rev. 4.00
1.4.5
Environmental Specifications
Operating temperature -30 C to +60 C
Altitude 25,000
feet
Humidity 95%
Vibration
DO-160C, Cat. M
1.5 Unit Nomenclature
Variants of the NPX138 series radios are identified as follows:
NPX138 N - 000
Narrowband Capability
Special Options Lighting Power Encryption
1.5.1
Narrowband Capability
If the unit under consideration has the letter N after the NPX138 designation, it has the
capability for narrowband selection in addition to wideband. If this part of the name is
blank, the unit has wideband capabilities only.
NPX138
N - 000
N = Wideband and Narrowband modulation
Blank = Wideband modulation only
1.5.2
Lighting Power
The digit in the first position of the unit suffix indicates the lighting power used.
NPX138 N - 000
0
= 28 Vdc Lighting
1 = 14 Vdc Lighting
2 = 28 Vdc NVG NVIS A Compliant
5 = 5 Vdc Lighting
7 = 28 Vdc NVG Compatible Lighting
8 = 14 Vdc NVG Compatible Lighting
9 = 5 Vdc NVG Compatible Lighting
Page 1-4 Nov 10, 2003
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.