PS Engineering Inc. ®
PAR100EX Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-760-0000
Page 1-2
Rev. 11, Feb. 2013
1.4
APPROVAL BASIS — NONE
The PAR100EX is not intended, or approved for installation on US Registered Civilian Aircraft with
normal airworthiness certificates
.
1.5
SPECIFICATIONS
DIMENSIONS:
Height: 1.3 in. (3.3 cm) Width: 6.25 in. (16.9 cm)
Depth behind panel 7.15 in. (18.16 cm)
WEIGHT
PAR100EX Unit
Rack with connectors
1.34 lb. (0.61 kg)
0.51 lb. (0.24 kg)
AUDIO PANEL POWER REQUIREMENTS
(Including Internal Lighting):
Voltage
:
12 VDC *
The audio panel and Microair
M760REM operate from +12VDC Only If in-
stalled in 28V Aircraft, damage will result.
Contact PS Engineering if you wish to install
in 24V system.
Maximum Current
:
2.5 Amp (Externally protected by a 3A pull-type
breaker)
Audio Selector Specifications
Audio selector panel input impedance
:
510
Input Isolation
:
-60 dB (min.)
Receiver Inputs
:
4 (Com 1, Com 2, Aux 1, Aux 2)
Unswitched Inputs
:
4
Transmitter Selections
:
3 (Com 1, Com 2,
Com1/2)
Headphone Impedance
:
150 – 1000
Headphone Output
:
38 mW each headset, no clipping <1% THD typi-
cal
into 150
Microphone Impedance
:
150 - 600
Intercom Specifications
Intercom Positions
:
4 places (with individual
Intelli
Vox® circuits)
Music Inputs
:
2, (Independent, Stereo)
Music Muting
:
>-30 dB "Soft Mute" when Com or intercom active.
Distortion:
<1% THD @ 38 mW into 150
Mic Freq. Response, 3 dB:
300 Hz - 6000 Hz
Music Freq. Response, 3 dB
:
10 Hz – 26 kHz
M760REM VHF Transceiver Specifications
Radio Type
Amplitude Modulation (AM) Aircraft Transceiver
Channels (Transmit & receive)
760 channels, 25KHz spacing
118.000 – 136.975MHz
Frequency Selection
On PAR100EX Audio Panel
Frequency Display
Alpha/numeric LCD display (with backlighting) on
PAR100EX
Frequency control
PLL frequency synthesis, which is microprocessor
controlled Memory is store in non-volatile EPROM
Power consumption Receive (no signal)
Transmit
140 mA (no backlighting)
1.9 A
Input Voltage
Provided by PAR100EX from a second 3A Circuit
Breaker.
Power output
5 watts (nominal) VSWR Tolerance < 2:1 for best
operation (5:1 without damage)