Ps-engineering PMA7000CAP Installation Manual User Manual download pdf (Page 6)

PS Engineering

PMA7000M-S Series Audio Selector Panel and Intercom System

Civil Air Patrol Version Installation and Operator’s Manual

200-072-0004 Page 1-3 Rev. 4, Sept. 2000

1.5 SPECIFICATIONS

TSO COMPLIANCE

Marker Beacon: C35d, Class A

Audio Selector/Intercom: C50c, Class A

APPLICABLE DOCUMENTS: RTCA/DO-214

RTCA/DO-143

RTCA/DO-160C

RTCA/DO-178B Level D

ENVIRONMENTAL Qualifications: A1D1/CA(MN)XXXXXXBBBBTBKXX

Temperature Range:

Operating:

Storage:

-15º C to 55ºC

-20º C to 85ºC

Altitude: Up to 50,000 feet in an non-pressurized area of

the cockpit.

DIMENSIONS: Height: 1.3 in. (3.3 cm) Width: 6.25 in. (16.9 cm)

Depth: 6.8 in. (17.3 cm)

WEIGHT (With Rack & Connectors): 1.5 lb. (0.54 kg)

POWER REQUIREMENTS (Including Internal Lighting):

Voltage: 11 to 33 VDC

Maximum Current: 2.5 Amp (Externally protected by a 3 Amp circuit

breaker.)

Typical operating current:

Speaker off:

Speaker on, 28V, full radio volume

350 mA

750 mA

2.5 A

Audio Selector Specifications

Audio selector panel input impedance: 510 Ω

Input Isolation: -60 dB (min.)

Speaker Muting: -60 dB (min.)

Speaker Output (into 4 Ω) with no clipping

14 VDC:

28 VDC:

3 Watts (min.)

10 Watts (min.)

Receiver Inputs: 8

(Com 1, Com 2, Com 3, Nav 1, Nav 2, ADF,

DME, MKR)

Unswitched Inputs: 2

(examples: GPS WPT, Autopilot Disconnect,

Altimeter DH)

Transmitter Selections: 9

(Com 1, Com 2, Com 3

Com1/Com2, Com 1/3, Com 2/3 and by swap

switch, Com2/1, Com 3/1, Com 3/2)

Speaker Impedance: 4 Ω

Headphone Impedance: 150 - 1000 Ω

Headphone Output: 38 mW each headset, no clipping <1% THD

70 mW each headset with < 10% THD

Microphone Impedance: 150 - 600 Ω

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