PS Engineering
PMA7000M-S Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-070-0006 Page 1-4 Rev. 6, Nov 98
Intercom Specifications
Intercom Positions: 6 places (with individual IntelliVOX circuits)
Music Inputs: 2 (Stereo)
Music Muting: >-50 dB "Soft Mute" when Com or intercom ac-
tive.
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:PMA7000M-S only
Frequency: 75 MHz Crystal Controlled
Sensitivity:
Low:
High:
1000 µVolts (Hard)
200 µVolts (Hard)
(Field Adjustable)
Selectivity: -6 dB at ±110 kHz
-40 dB at ±120 kHz
External Lamp Output: 9.0 (±2.5 photocell dimmed) VDC positive 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 units:
Model Part Number
PMA7000S 7000S
PMA7000M-S 7000M-S
PMA7000M-S Installation Kit: 250-007-002
Part Number Description Quantity
001-006-0001 Tray with (2) 44 Pin Connectors 1
655-000-0001 Gold Plated Crimp Pins 88
200-070-0001 Operator's and Installation Manual 1
1.7 EQUIPMENT REQUIRED BUT NOT SUPPLIED
a) Circuit Breaker: 1 ea. 2 amp. (14V) or 3 amp (28V)
b) Speaker, 4 Ω
c) Headphone Jacks (mono or stereo, as Required)
d) Microphone Jacks (as Required)
e) Headphones, 150 Ω (mono or stereo), up to 6 as required
f) Microphones, up to 6 as required
g) Marker Antenna (75 MHz, VSWR <1:1.5, and appropriate for the airspeed)
h) Interconnect Wiring
1.8 LICENSE REQUIREMENTS
None
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