Approval Basis; Specifications; Equipment Required But Not Supplied; License Requirements - PS Engineering PM3000 Installation And Operation Manual

PTT at the same time, the copilot will override. When either pilot or co-pilot presses PTT, all other
microphones are disabled. The pilot can regain priority by switching the unit off.
1.4

Approval Basis

1.5

Specifications

Pending
Input power:
Current Drain:
Headphone Impedance:
Audio Distortion:
Aircraft Radio Impedance:
Mic Frequency Response:
Music Frequency Response
Unit weight:
Dimensions:
Environmental and technical qualifications:
Temperature
1.6

Equipment required but not supplied

A. Interconnecting cables as required (may be ordered from PS Engineering)
B. Headphones, 150 stereo, up to six as required
C. Microphones, up to six, as required
D. Interconnect wiring
E. Circuit Breaker 1 Amp.
1.7

License Requirements

None
200-193-0000
PS Engineering Incorporated
PM3000
Installation and Operation Manual
< 200 mA (Externally fused at 1 Amp)
1.25" H x 3.00" W x 5.50" D (3.2 x 7.6 x 14.0 cm)
page 2
13.8 - 27.5 Volts DC
150-1000 (typical)
<3% @ 75mW into 150  load
1000  (typical)
±3 dB, 350 Hz — 6000 Hz
±3 dB, 200 Hz – 15kHz
12 Ounces (0.34 kg)
RTCA DO-160C/DO-214
-20º to +55ºC
Rev. 0, May, 1998