Northern Airborne Technology AA21-4xx - Manual (Page 23)

SM34 Rev. 4.00 AA21-400 Cabin PA System Manual
Nov 10, 2003 Page 2-5
ENG-FORM: 800-0106.DOT
Amendment # 3 Apr 21, 2009
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Mic level: (60dB dynamic range)
Receive level: (70dB dynamic range)
Siren level: (70dB dynamic range)
2.3.6.3 Configuration Jumpers
The configuration options for the AA21-400 can be selected by installing jumpers as
shown below:
RX/CD: Pins 1-2 : Radio (Receive) input enabled,
CD input disabled
Pins 2-3 : CD input enabled,
Radio (Receive) input disabled
EXT SPKR LEVEL :
Installed : 500 mVrms output level
Not installed : 6.5 Vrms output level
2.4 Continued Airworthiness
Maintenance of the AA21-400 is ‘on condition’ only. Periodic maintenance of this
product is not required.
2.5 Installation Drawings
DRAWING REV. DESCRIPTION TYPE SERIAL #
AA21\400\403-0 1.01 AA21-400 Cabin PA System Interconnect All
AA21\400\405-0 1.00 AA21-400 Cabin PA System Connector Map All
AA21\400\521-0 1.20 AA21-400 Cabin PA System Environmental Qual Form 1200 and up
AA21\400\905-0 1.10 AA21-400 Cabin PA System Faceplate All
AA21\400\922-0 1.00 AA21-400 Cabin PA System Mech. Installation 1015 – 1199
AA21\400\922-0 1.11 AA21-400 Cabin PA System Mech. Installation 1200 and up
Section 2.0 ends after these Drawings