AA21-405 Cabin PA System
SM34 Installation and Operation Manual Supplement
SM Supplement Rev: 1.01
Mar 23, 2009
Page 1
ENG-FORM: 810-0111.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
This supplement contains installation and operation information that is unique to the AA21-405 Cabin PA
system. Installation and operation information common to the AA21-400 base unit can be found in the
SM34
Installation and Operation Manual.
Section 1 Description
The AA21-405 is identical to the AA21-400 with the following exceptions:
a)
The faceplate is 5V Type IV NVIS Green A.
b)
The POWER ON LED is not installed.
c)
Changes to the faceplate text can be found by comparing Figure 1 to Figure 2:
Figure 1: AA21-400 Faceplate.
AA21
VOL
PA
ON
POWER
YELP
WAIL
OFF
POWER
ON
OFF
VOL
AA21
PA
YELP
WAIL
EXT
STDBY
STDBY
EXT
//
N
N A
A
OFF
OFF
Figure 2: AA21-405 Faceplate.
Section 2 Installation
2.1 Installation
Drawings
Select the appropriate revision of the drawing for the serial number of the unit under consideration. The
drawings specific to this derivative are listed below, and can be found at the end of this supplement.
DOCUMENT REV.
DESCRIPTION
TYPE
SERIAL
NO.
AA21\405\403-0
1.01
Cabin PA System
Interconnect
1607 and up
AA21\405\405-0
1.00
Cabin PA System
Connector Map
1607 and up
AA21\405\905-0
1.00
Cabin PA System
Faceplate
1607 and up
AA21\405\922-0
1.00
Cabin PA System
Mechanical Installation
1607 and up
Section 3 Operation
For operation information, see
SM34
Section 3.
Supplement ends
23-31-90
The document reference is online, please check the correspondence between the online documentation and the printed version.