PS Engineering PM1000II Manuale
ENGINEERING®
INCORPORATED
sqiljiitQuiiilij:f.
Sound·Englneerlng.
9800 Martel Road
Lenoir City,
TN
37772
www.ps~engineering.com
PMIOOOII
4-Place, Panel-Mounted Intercom
Pilot's Guide
PaJ1
Number
11920
(with Crew) and
11922
(without Crew)
FAA·J\pprovcd TSO C50c
July 2001
202·123·0001
RevisIon
1
Flying
Never
Sounded
So
Good!
™
2
Section I General Information
1.1
Introduction
The
PM
1000//,
is
an
FAA-TSO approved, panell11ounted, 4-pJacc inter-
com
system (lCS). Please read this manual completely
to
become familiar
wilh
all
the features.
This
manual
contains operational instructions
for
the
following
PS
Engi-
neering
units:
Description
Model
PMIOOOlf
PMIOOOlf
4-place intercom system w/Pilot
ISO
Same
as
above w/intcrnal crew
Part Number
11922
11920
1.2
Description
The
P:'\'llOOOI/
is
a 4-place, panel-mounted intercom with individual vol-
ume
and
squelch
cOlltrols
for
the
pilot
and
copilot.
Both pilot
and
copilot have transmit capabilities over the radio. The
PMlOOOJ/
allows only the person
who
presses tbeir
PTT
to
be heard over
the
aircrafi radio.
If
both pilot and copilot press the
PTT
at
the same time,
the
copilot
will
override (Ideally suited
for
training environments). Pilot
regains priority
by
switching the unit
off.
1.3
Approval
Basis
The PM!
OOOIl,
part numbers 11920
and
11922
are
F
AA~approved
under
TSO-C50c.
1.4
Specifications
Input
power:
Currcnt Drain:
Headphone Impedance
Audio
Dist011ion:
Aircraft Radio impcdance:
3
dB
Mic Frequcncy Rcsponse:
3 dB Music Frequcncy Responsc'
Unit weight:
Dimensions:
13.8
-
27.5
Volts
DC
< 250
mA
(I
Amp
Circuit breaker)
150-JOOO
ohms
typical
<10%
@75mWinto
150
n load
10000
typical
350
Hz
-6000
Hz
200
Hz
to
15
kHz
12
Ounces (0.342
kg)
Environmental
and
technical qualitkations.
1.25"
H x
2.60"
W x5.50" D
(3.2:-:6.6x 14cm)
RTCA
DO-160B/DO-170
Temperature
Altitude
202-123-0001
_20°C
to
+-55°C
50,000 ft.
PM
1
OOOn-Pilot
Guide & User
Manual
Section
II
OPERATION
PJH/OOOll
with ISO/ALL (pin J1922)
Pilot Volume Control
2 Pilot Squelch Control
3 Copilol Volume Control
4 Copilot Squelch Control
5 Intercom Mode Switch
6 PowcrfTnmsmit indicator
Turn
the
PM
I
00011
on
by rotating pilot's volume control
(1).
This also
ell-
gages the automatic fail-safe system. The pilot's volume control does not
control the volume
of
the aircrall radio, allo\'\!ing
an
additional degree
or
aircraft radio listening flexibility.
2.1
Adjusting
The Volume
(1,3)
The
pilot's volume control knob
(I)
adjusts
the
loudness
of
the intercom
and music
for
the pilot's headset only.
It
has
no
effect
on
aircraft radio vol-
ume level. The copilot's volume control (3) adjusts the volume for the copi-
lot.
In
the I J
920
(PM
IOOOIl
with Crew) units, the volume level
for
both
pas~
sengers
can
be
adjusted by a screwdriver adjusted potentiometer located
on
the
left hand side orllle intercom
as
viewed
from
the
front.
It
is
possible
to
adjust
the
overall output power
to
the passenger headsets
by
changing this
potentiometer. Rotating the potentiometer counterclockwise increases the
passenger volume.
2.2 Squelch
Control
(2,
4)
The
PMJOOOlI
provides individual
VOX
circuits
for
the
pilot
and
copilot.
The ability
to
adjust the trip level
of
these
VOX
circuits (squelch control)
PM
I
00011
Pilot
Guide
&
User
Manual
202-! 23-000!
4
allows the use
of
dissimilar headsets withol\{ the frustration
of
clipping the
first syllables, The PM1000li has three squelch circuits, one for the pilot,
copilot, and one
for
the passengers. With individual VOX circuits, back-
ground noise
is
dramatically reduced.
With the engine running, set the squelch
c0111rol
by slowly rotating the
kJlob(s) (2) and (4) clockwise until
YOUllO
longer hear the background
noise
in
the earphones. When the microphone
is
positioned properly near
the lips, normal speech levels should open the channel. When you have
stopped talking, there
is
a delay
of
about one second before the channel
closes. This prevents squelch closure between words, and helps eliminates
choppy intercom conversations.
2.3 Mode
Selector
(5)
The center switch (5)
is
a three position mode control that allows the pilot
to
tailor the intercom
Ji.lJlction
to
suit flight conditions. Regardless
of
con-
figuration, the pilot will always hear the aircraft radio. NOTE:
If
there
is
a
power failure
to
the
PMIOOOll,
or
if
the power switch
is
turneo
ofC
thc
copilot
wi!!
not bear the aircran radio. Only the pilot
is
connected directly
to the aircrall radio.
ISO (Up Position): The pilot
is
isolated from the intercom and
is
connected
only
(0
the aircraft radios.
He
wi))
hear the aircraft radio reception (and
sidelOne during radio transmissions). Copilot and passcngers will hear
themselves and music but not
(he
airerafi radio traffic.
ALL
(Middle position): All parties will hear the ilircraft radio, transmit
sidetone from radio, intercom, and music. However, during any ICS or
radio communications, the music volume automatically mutes. The music
volume increases gradua1!y back
to
tbe original level after communications
have been completed.
Units without CREW mode (part !lumber 11922) have a bottom switch
position. This
is
the same
as
ALL mode.
I'MIO(J(!/l.
JI-'i!
I
I'J)(I,
Fnmll'allcl
Control,,'
202·123·0001
PM
IOOOII-Pilol
Guide & User Mallual
CREW
(Down
PO!:iltion) (ONLY version with crc\\', par! number 11920):
Pilot and copilol arc connected on one illlercom channel, can hear aircraft
radio and transmit sidelone. The passengers arc 011 a separate and independ-
ent channel. The pilot and copilot arc connected
to
the aircraft radio and
may I
istcl1
to
Music #
1.
Passengers can continue
to
communicate with
themselves without disturbing the pilot and copilot and may listen
to
Music
#2.
2.3.1
Entertainment
Mute
Trip
Level
The
cnte!1ainment mute trip level determines what voluille the aircraft radio
must be belore the music mutes. This is factory adjusted.
If
your entertain-
ment docs not mute, try increasing the volume
of
the aircrafl radios.
2.4 Power/Transmit
indicator
(6)
\}/hcn the PM1000ll
is
operating, the lamp
in
the center will glow green.
When either pilot pushes a radio microphone key (push
to
talk,
or
P-T-T),
the indicator will change
to
red. signifying radio transmission.
The
aircral't radio sidetone will be presented
to
the intercom, and heard by
the same people
as
the aircraft radio receiver audio.
Only the pilot pressing a
P~T-T
will be heard on the radio, other
micro~
phones will be inhibited.
2.5 Fail-safe
(1)
If
any abnormal conditions OCCllr, such
as
a loss
of
radio communication,
bypass the PM J
00011
by
placing
it
in
the "fail-safe" mode. When the
PMIOOOlJ
is
turned
011,
either
by
the pilot volume control
(I)
or by pulling
the "intercom" circuit breaker, the unit atltomalically enters the fail-safe
mode. In this mode the pilot microphone input
is
connected
to
the aircraft
radio output, and the aircraft radio phones input
is
connected
to
Ihe pilol
headphone output, enabling pilot radio communication.
The
copilot and
passenger' stations arc inoperative.
PM
I
00011
Pilot Guide &
User
Manual
202-123-000] 5
6
3.1 Warranty
Section 3
Warranty and Service
In
order
for
the factory warranty
to
be
valid, the installations
in
a certified
aircraft must
be
accomplished by
an
FAA· certified avionics shop and
au-
thorized
PS
Engineering dealer.
PS
Engineering,
Inc.
warranls
this
product
10
be
free
from defect
in
mate·
rial
and
workmanship
for
a period orone year
11"om
the
date
of
installation.
During this one year warranty period,
PS
Engineering,
Inc.,
at
its
option,
will
send
a replacement
unit
at
our
expense
if
the
ullit should
be
determined
to
be
defective after consultation with a factory technician. The customer
is
responsible lor return shipment costs
This warranty
is
nOI
transferable.
Any
implied warranties expire
at
the ex-
piration date
ofl11i$
warranty.
PS
Engineering SHALL NOT BE LIABLE
FOR INCIDENTAL
OR
CONSEQUENTIAL DAMAGES. This warranty
does
not
cover a defect that
bas
resulted
from
improper
or
unreasonable
use
or
maintenance
as
determined
by
us.
This \varranty
is
void ifthere
is
any
attempt
to
dissemble
this
product without factory authorization. This war-
nUHy
gives
you
specific
legal
rights,
and
you
may
also have other rights
which may vary
/l·om
state
to
state. Some states
do
not
allow tbe exclusion
of
limitation
of
incidental or consequential damages,
so
the above limita-
tion or exclusions may
110t
apply
to
you.
3.2
Factory
Service
The »;\-'11000//
is
covered
by
a one-year limited warranty. See wammty
information.
The unit
is
covered
by
a one-year limited warranty. Sec warranty informa-
tion.
Cal!
PS
Engineering, Inc.
at
(865) 988-9800 before
you
return
the
unit. This will allow
the
service technician
10
provide any other suggestions
for
identifying the problem
and
recommend possible solutions.
202·t23·QOOt
PM
1
ODOII-Pilot
Guide &
User
Manual
PM
I
00011
Pilot
Guide
&
User
Manual
202·)23·000 I 7
8
PS EngIneerIng, Inc.
2001
©
Copyright
Notice
Copyrighted illfollnatioll
ill
thi, manual is subject to change
withOl!1
not
icc
PS
Eliginccring
rescrves the light
to
improve
or
ehnnge the products
or
contents
of
this lllallunl, without
l1otificatiol1 ofRny person or agency The contents
of
11115
pilot's guide may
be
downloaded,
stored and reprinted for personal use provided that this copyright infonnation is included.
COll1mercial usc
15
strictly
pl"Ohibitcd.
For
funher
infonnatioll contnct the Publications
)I.·tanager
atl'S
Engineering, Inc., 9800
lvh\11c1
Rond, Lenoir City,
TN
37772. Phone (365) 988·9800
202-123-0001 PMl
ODOlf-Pilot
Guide & User Manual
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