Bendix/King Skymap IIIC Manual - Page 6

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Specifications

TSO Compliance:

Marker Beacon Receiver: TSO C35d,

Class A

KMA24—Env. Cat. A1D1/A/PKS/

XXXXXXZBAAA

Audio Amplifier: TSO C50b

KMA 24H—Env. Cat. A2D1/A/KPS/

XXXXXXB/AB/BZ/A

Weight: 1.7 lb. (0.77kg)

Physical Dimensions:

Length behind panel: 6.8 in. (17.30 cm)

Width: 6.25 in. (15.88 cm)

Height: 1.3 in. (3.30 cm)

Duty Cycle: Continuous

Power Requirements (not including

instruments lights):

KMA 24

13.75v

Idle current, mike

switch on

110 ma

Idle current, mike

Less than

switch off

8 ma

Max. operating

current

1.9 a

KMA 24H

Idle current

350 ma

Max. operating

current

1.8 a

Temperature Range: -20ºC to +55º with

brief operation at +70ºC (KMA 24),

-20ºC to +70ºC continuous (KMA 24H)

Marker Beacon Receiver

(KMA 24 only)

Frequency: Crystal-controlled at 75 MHz

Sensitivity: LO 1,000µv Hard

HI 200µv Hard

Selectivity: 6 db at ± 10 kHz Min.

40 db at ± 200 kHz Max.

2/00 006-08316-0008 5K Printed in U.S.A.

Policy Notice: In keeping with Honeywell's goal of constant

product improvement, product specifications and design

features may be altered without notice.

Avionics installation requires special skills, tools and equipment.

Our limited warranty is valid only for equipment installed in

accordance with our sales policy.

Input Impedance: 50 ohms

Output: Capable of 4 mw into isolation

amplifier impedance of 500 ohms.

Isolation Amplifiers:

KMA 24 Inputs: KMA 24 models without

AUTO accommodate three transceivers

and six external receivers. Models with the

AUTO function accommodate three trans-

ceivers and five external receivers. All

models also have two unswitched inputs.

(Typical use: radar altimeter aural warning

and radiotelephone ringer.)

KMA 24H Inputs: KMA 24H models

accommodate five transceivers and five

external receivers or four transceivers and

six receivers. All models also have two

27.5v

unswitched inputs. (Typical use: radar

altimeter aural warning and radiotele-

170 ma

phone ringer.)

Less than

KMA 24 Input Impedance: 500 ohms

16 ma

KMA 24H Input Impedance: 320 ohms

for all ICS inputs, 500 ohms for all

audio inputs

1.9 a

Input Isolation:

KMA 24: 40 db between inputs

500 ma

KMA 24H: 60 db between inputs

Input Muting (when mike is keyed):

1.8 a

At least 55 db

Speaker Output:

With 13.75v Supply:

Into 4 ohm load: 7 w (KMA 24)

Into 8 ohm load: 4 w

Into 8 ohm load from

8 ohm tap: 6 w (KMA 24H)

6 w (KMA 24H)

With 27.5v Supply:

Into 4 ohm load: 12 w (KMA 24)

10 w (KMA 24H)

Into 8 ohm load: 6.5 w

Into 8 ohm load

from 8 ohm tap: 10 w (KMA 24H)

Headphone Output:

KMA 24: 50 mw into 500 ohm load

KMA 24H:

With 27.5v supply: 120 mw into each

500 ohm load

With 13.75v supply: 20 mw into each

500 ohm load

Output Characteristics:

Distortion: Less than 5 percent at rated

output

Frequency response:

KMA 24: Within 6 db from 350 hz to

6,000 hz

KMA 24H: Within 3 db from 350 hz to

6,000 hz

Honeywell

23500 W. 105th Street, Olathe, KS 66061-1950

Telephone 913.712.2613 Fax 913.712.5697

Toll-Free in U.S. 877.712.2386