Environmental Specifications; Unit Nomenclature; Narrowband Capability; Special Options - Nat SM41 Installation And Operation Manual

NPX138 Panel Mount Radio Manual
1.4.5

Environmental Specifications

Operating temperature
Altitude
Humidity
Vibration
1.5

Unit Nomenclature

Variants of the NPX138 series radios are identified as follows:

Narrowband Capability

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.
N
Blank
1.5.2 Lighting Power
The digit in the first position of the unit suffix indicates the lighting power used.
0
1
2
5
7
8
9
Page 1-4
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
NPX138 N - 000
Lighting Power
NPX138 N - 000
=
=
NPX138 N - 000
= 28 Vdc Lighting
= 14 Vdc Lighting
= 28 Vdc NVG NVIS A Compliant
= 5 Vdc Lighting
= 28 Vdc NVG Compatible Lighting
= 14 Vdc NVG Compatible Lighting
= 5 Vdc NVG Compatible Lighting
-30 C to +60 C
25,000 feet
95%
DO-160C, Cat. M

Special Options

Wideband and Narrowband modulation
Wideband modulation only
SM41 Rev. 4.00
Encryption
Nov 10, 2003