Honeywell KMA28 operation manual Equipment Supplied, Intercom Specifications

Page 7

 

Bendix/King

 

 

KMA28

 

Audio Amplifier/Intercom/Marker Beacon Receiver

 

 

 

 

 

 

Intercom Specifications

Intercom Positions:

6 places (with individual IntelliVOX® circuits)

Music Inputs:

2 (Stereo)

Music Muting:

>-30 dB "Soft Mute" when Com or intercom active.

Distortion:

<1% THD @ 38 mW into 150Ω

 

 

<10% THD @ 70mW into 150 Ω

Mic Freq. Response, 3 dB:

300 Hz - 6000 Hz

Music Freq. Response, 3 dB:

100 Hz - 18kHz

 

MARKER

BEACON RECEIVER

Frequency:

75 MHz Crystal Controlled

Sensitivity:

Capable of:

Low:

1000 ∝ Volts (Hard)

High:

200 ∝ Volts (Hard)

 

 

(preset at factory for field application)

Selectivity:

-6 dB at ±10 kHz

 

 

-40 dB at ±120 kHz

External Lamp Output:

9.0 (±2.5 unloaded, at maximum brightness) VDC posi-

 

 

tive when active, max. current 125 mA

MM Sense:

Active high (4.7 VDC ± 0.5V) during Middle Marker

 

 

acquisition, for autopilot use.

1.6 EQUIPMENT SUPPLIED

 

 

 

1 ea. of the following:

 

 

 

 

Model

 

Part Number

 

 

KMA 28

 

066-01176-0101

 

KMA 28 Installation Kit, 050-03613-0001, contains the following parts.

 

Description

Quantity

Part

 

 

 

Number

KMA28 install rack

1

071-00164-0001

Top Molex Connector Shell w/key, 44 pin, key 4/5

1

120-425-4402

Bottom Molex Connector Shell w/key, 44 pin, key 7/8

1

120-425-4400

Gold Plated Crimp Pins

88

425-001-0002

4 40 X 7/16 screw w/nyl patch

4

475-440-0007

Grounding strap

1

430-007-0001

6-32

X 3/4 screw php

2

475-632-0038

6-32

Nut Flat

2

475-632-0003

6-32

Lock Nut

2

475-632-0004

Cable Clamp

1

625-001-0002

#6-32 x ½” FHP screw

6

475-632-0012

#6-32 Clip Nut

6

475-630-0002

The KMA 28 install rack may be purchased separately under part number 071-00164-0001.

006-10565-0000

Page 1-4

Rev. 0, Sept. 2000

Image 7
Contents BENDIX/KING Table of Contents Cellular Interface Checkout Equipment Description Section I General InformationIntroduction ScopeTSO Approval Approval BasisTSO Compliance SpecificationsEquipment Supplied Intercom SpecificationsLicense Requirements Equipment Required but not SuppliedUnpacking and Preliminary Inspection Section II InstallationEquipment Installation Procedures General InformationNoise Mounting Rack InstallationConnector Assembly Cable Harness WiringCommunications Push-to-Talk Existing KMA-24 InstallationExisting PS Engineering PMA6000 installations PowerBacklighting Swap ModeUnswitched inputs Intercom wiringPublic Address function Com 3 AudioMarker Installation Communications Antenna Installation Notes AdjustmentsWireless telecommunications interface Hook Switches KMA 28 Pin Assignments Unit Installation Post Installation CheckoutOperational Checkout Final Inspection Marker CheckoutReceiver Sensitivity Cellular Interface CheckoutSpeaker Amplifier Section III KMA28 OperationAudio Selector Key clickPublic Address PA Function Power Switch /Emergency EMG OperationMicrophone Selector Telephone Mode Swap Mode Switch from Com 1 to Com 2 remotelySplit Mode Split Mode ICSIntelliVox VOX-Squelch Intercom SystemMono headsets in Stereo Installation Volume ControlIntercom Modes Soft Mute and Soft Mute inhibit Telephone Operation if equipped with approved system Marker Beacon OperationWill lose intercom capability when it is in use Appendix a Installation Drawings Connector viewed from the rearTray Dimensions in inches Top View Tray Assembly Drawing Bottom Connector, J1 Appendix B Bottom Connector InterconnectJ2 TOP Connector Appendix C Top Connector InterconnectInstructions for FAA Form Instructions for Continuing AirworthinessConditions Section Conducted Tests