AIRWAVE DIGITAL 99-1000-1CU User manual

Broadcast
Console
Operations
&
Technical
Manual
PR&E 75-40PR&E 75-40
PR&E 75-40PR&E 75-40
PR&E 75-40
Revision B.1 • 7/04
TM
BroadcastCommunicationsDivision
99-1000-1CU (12-input mainframe,110VAC)
99-1000-1CUX (12-input mainframe,230VAC)
99-1000-2CU (20-input mainframe,110VAC)
99-1000-2CUX (20-input mainframe,230VAC)

Revision B.1 • 7/04
HARRIS CORPORATION
ii
The AirWave Digital
Broadcast Console
SS
SS
Safaf
afaf
afetet
etet
ety Instry Instr
y Instry Instr
y Instrucuc
ucuc
uctionstions
tionstions
tions ............................................. iii
HH
HH
Hazarazar
azarazar
azard/Wd/W
d/Wd/W
d/Warar
arar
arning Lning L
ning Lning L
ning Labab
abab
abel Idenel Iden
el Idenel Iden
el Identifictific
tifictific
tificaa
aa
ationtion
tiontion
tion ........ iv
MM
MM
Manual Ranual R
anual Ranual R
anual Ree
ee
evisionsvisions
visionsvisions
visions .................................................. v
C
C
CC
Chapthapt
hapthapt
hapter 1:er 1:
er 1:er 1:
er 1: GENERGENER
GENERGENER
GENERAL INFORMAAL INFORMA
AL INFORMAAL INFORMA
AL INFORMATIONTION
TIONTION
TION
Product Overview .................................................. 1
Specifications ........................................................... 3
Warranty ..................................................................... 5
CC
CC
Chapthapt
hapthapt
hapter 2:er 2:
er 2:er 2:
er 2: INSTINST
INSTINST
INSTALLALL
ALLALL
ALLAA
AA
ATIONTION
TIONTION
TION
Mainframe Configuration .................................... 2
Connector Access .................................................... 3
Power Supply ............................................................ 3
Grounding & Shielding ......................................... 3
Installing the Backup Batteries ......................... 4
Setting the Clock..................................................... 4
Cabling & Wiring ...................................................... 5
Wire Preparation ..................................................... 5
Crimp Tool Operation ............................................ 6
Audio Connections ................................................. 6
Unbalanced Connections ..................................... 8
Logic Connections................................................... 9
Additional Logic Connections......................... 11
Logic Quick Reference Guide ...................13 - 16
Module Connections .................................. 17 - 23
CC
CC
Chapthapt
hapthapt
hapter 3:er 3:
er 3:er 3:
er 3:OPEROPER
OPEROPER
OPERA
A
AA
ATIONTION
TIONTION
TION
Microphone Preamplifier Module .................... 1
Analog or Digital Input Module ........................ 2
Telco Input/Output Module ................................ 3
Remote Line Selector Modules .......................... 5
Output Module ......................................................... 6
Monitor Module ....................................................... 7
Timer Control Module ........................................... 8
Meter Panel................................................................ 9
CC
CC
Chapthapt
hapthapt
hapter 4:er 4:
er 4:er 4:
er 4:EQUIPMENT DESCRIPTIONEQUIPMENT DESCRIPTION
EQUIPMENT DESCRIPTIONEQUIPMENT DESCRIPTION
EQUIPMENT DESCRIPTION
Mainframe .................................................................. 1
Microphone Preamp Module .............................. 1
Input Module ............................................................ 2
Telco Input/Output Module ................................ 3
Motherboard ............................................................. 4
DSP Boards................................................................. 4
Output Module ......................................................... 5
Monitor Module ....................................................... 6
Remote Line Selectors........................................... 7
Timer Control Module ........................................... 7
Clock/Timer Assembly........................................... 8
Bargraph Meters ...................................................... 8
Power Supply ............................................................ 9
CC
CC
Chapthapt
hapthapt
hapter 5:er 5:
er 5:er 5:
er 5: MAINTENANCE & ALIGNMENTMAINTENANCE & ALIGNMENT
MAINTENANCE & ALIGNMENTMAINTENANCE & ALIGNMENT
MAINTENANCE & ALIGNMENT
Parts and Repair Services .................................... 1
Spare & Replacement Parts Info........................ 2
Module Servicing .................................................... 3
Fader Servicing ........................................................ 4
Microphone Preamplifier Module .................... 5
Analog Line Input Module ................................... 5
Telco Input/Output Module ................................ 5
Output Module ......................................................... 6
Monitor Module ....................................................... 6
Clock/Timer Assembly........................................... 6
Timer Control Module ........................................... 7
Cue Speaker Replacement................................... 7
Power Supply ............................................................ 7
CC
CC
Chapthapt
hapthapt
hapter 6:er 6:
er 6:er 6:
er 6: DRDR
DRDR
DRAA
AA
AWINGS & SCHEMAWINGS & SCHEMA
WINGS & SCHEMA
WINGS & SCHEMA
WINGS & SCHEMATICSTICS
TICSTICS
TICS
Table of Contents .................................................... 1
Console Wiring ......................................................... 2
Module Block Diagrams ........................................ 3
Module Schematics .......................................... 4-27
SIM Cards & Plug-in Assemblies ............... 28-32
Clock/Timer....................................................... 33-34
Bargraph Meter ............................................... 35-36
Motherboard Signals .................................... 37-42
Power Supply ................................................... 43-44
CC
CC
Chapthapt
hapthapt
hapter 7:er 7:
er 7:er 7:
er 7:AA
AA
ACC
CC
CCESSORIESCESSORIES
CESSORIESCESSORIES
CESSORIES
Button Engraving & Fader Knobs......................... 1
Console Remote Control Panels ........................... 2
Logic Control Cables .............................................. 2
IndeInde
IndeInde
Indexx
xx
x ............................................................... vi - vii

Revision B.1 • 7/04
HARRIS CORPORATION
iii
1. RR
RR
Read Aead A
ead Aead A
ead All Instrll Instr
ll Instrll Instr
ll Instrucuc
ucuc
uctionstions
tionstions
tions..... All safety and operating
instructions must be read before operating the
product.
2. RR
RR
Retain Aetain A
etain Aetain A
etain All Instrll Instr
ll Instrll Instr
ll Instrucuc
ucuc
uctionstions
tionstions
tions..... All safety and operating
instructionsmustberetainedforfuturereference.
3. HH
HH
HeedAeedA
eedAeedA
eedAllll
llll
llWW
WW
Warar
arar
arningsnings
ningsnings
nings..... Allwarningsontheproductand
those listed in the operating instructions must be
adheredto.
4. FF
F
F
Folloollo
olloollo
ollow Aw A
w Aw A
w All Instrll Instr
ll Instrll Instr
ll Instrucuc
ucuc
uctionstions
tionstions
tions..... All operating and product
usageinstructionsmustbefollowed.
5. HH
HH
Heaea
eaea
eatt
tt
t..... Thisproduct must be situatedawayfrom any
heat sources such as radiators,heat registers,stoves,
or other products (including power amplifiers) that
produceheat.
6. VV
VV
Venen
enen
entilatila
tilatila
tilation.tion.
tion.tion.
tion. Slotsandopeningsin the productare
providedforventilation.Theyensurereliableoperation
of the product,keeping it from overheating.These
openings must not be blocked nor covered during
operation.This product should not be placed into a
rack unless proper ventilation is provided through
following the manufacturer’s recommended
installationprocedures.
7. WW
WW
Waa
aa
att
tt
ter and Mer and M
er and Mer and M
er and Moisturoistur
oisturoistur
oisturee
ee
e..... Donotusethis productnear
water—for example; near a bath tub, wash bowl,
kitchensinkorlaundrytub;inawetbasement;ornear
aswimming poolorthelike.
8. AA
AA
Attachmenttachmen
ttachmenttachmen
ttachmentsts
tsts
ts..... Do not use any attachments not
recommendedbytheproductmanufacturerasthey
maycausehazards.
9. PP
PP
Poo
oo
oww
ww
werSerS
erSerS
erSourour
ourour
ourcc
cc
ceses
eses
es..... Thisproductmustbeoperatedfrom
the type of power source indicated on the marking
labelandintheinstallationinstructions.Ifyouarenot
sure of the type of power supplied to your facility,
consultyourlocalpowercompany.
10. GG
GG
Grr
rr
rounding and Pounding and P
ounding and Pounding and P
ounding and Polarolar
olarolar
olarizaiza
izaiza
ization.tion.
tion.tion.
tion. This product is
equippedwithapolarizedACplugwithintegralsafety
ground pin.Do not defeat the safety ground in any
manner.
11. PP
PP
Poo
oo
oww
ww
wer Cer C
er Cer C
er Coror
oror
ord Pd P
d Pd P
d Prr
rr
rotot
otot
otecec
ecec
ection.tion.
tion.tion.
tion. Power supply cords must
beroutedsothat they arenotlikelytobewalkedon
nor pinched by items placed upon or against them.
PayparticularattentiontothecordsatACwall plugs
andconveniencereceptacles,andatthepointwhere
thecordplugsinto theproduct.
12. LighLigh
LighLigh
Lightningtning
tningtning
tning..... For added protection for this product
duringalightningstorm,orwhenitisleftunattended
and unused for long periods of time,unplug it from
the AC wall outlet.This will prevent damage to the
productduetolightningandpowerlinesurges.
13. OO
OO
Ovv
vv
verer
erer
erloadingloading
loadingloading
loading..... Do not overload AC wall outlets,
extensioncords,orintegralconvenienceoutletsasthis
canresult inafireorelectricshockhazard.
14. OO
OO
Objecbjec
bjecbjec
bjectandLiquidEtand LiquidE
tandLiquidEtandLiquidE
tandLiquidEnn
nn
ntrtr
trtr
tryy
yy
y..... Neverpushobjectsofany
kindintothisproductthroughopeningsastheymay
touch dangerous voltage points or short-out parts
that could resultin a fire or electricshock.Neverspill
liquidof any kindon theproduct.
15. AA
AA
Acccc
cccc
ccessoressor
essoressor
essoriesies
iesies
ies..... Do not place this product on an
unstable cart, stand, tripod, bracket, or table.The
product may fall,causing serious damage to a child
or adult, and serious damage to the product. Any
mounting of the product needs to follow
manufacturer’sinstallationinstructions.
16. APAP
APAP
APrr
rr
roo
oo
oducduc
ducduc
ductandCtandC
tandCtandC
tandCarar
arar
artCtC
tCtC
tCombinaombina
ombinaombina
ombinationtion
tiontion
tionshouldbemoved
with care. Quick stops, excessive force, and uneven
surfaces may cause the product and the cart
combinationtooverturn.
17. SS
SS
Serer
erer
ervicingvicing
vicingvicing
vicing..... Refer all servicing to qualified servicing
personnel.
18. DD
DD
Damage Ramage R
amage Ramage R
amage Requirequir
equirequir
equiring Sing S
ing Sing S
ing Serer
erer
ervicvic
vicvic
vicee
ee
e..... Unplug this product
fromthewallACoutletandreferservicingtoqualified
servicepersonnelunderthefollowingconditions:
a. When theACcordorplugisdamaged.
b. Ifliquidhasbeenspilledorobjectshavefalleninto
theproduct.
c. Ifthe producthas beenexposedtorainorwater.
d. If the product does not operate normally
(followingoperatinginstructions).
e. If the product has been dropped or damaged in
anyway.
f. When the product exhibits a distinct change in
performance.Thisindicatesaneedforservice.
19. RR
RR
Replaceplac
eplaceplac
eplacemenemen
emenemen
ement Pt P
t Pt P
t Parar
arar
artsts
tsts
ts..... When replacement parts are
required, be sure the service technician has used
replacement parts specified by the manufacturer or
thathavethesamecharacteristicsastheoriginalparts.
Unauthorizedsubstitutionsmayresultinfire,electric
shock,or otherhazards.
20. SS
SS
Safaf
afaf
afetet
etet
etyCyC
yCyC
yCheck.heck.
heck.heck.
heck.Uponcompletionofanyrepairstothis
product,asktheservicetechniciantoperform safety
checks to determine that the product is in proper
operatingcondition.
21. CC
CC
Cleaningleaning
leaningleaning
leaning..... Do not use liquid cleaners or aerosol
cleaners.Useonlyadampcloth forcleaning.
Safety Instructions

Revision B.1 • 7/04
HARRIS CORPORATION
iv
WW
WW
WARNINGARNING
ARNINGARNING
ARNING—This equipment generates, uses and can radiate radio frequency energy. If not installed and used in
accordance with the instructions in this manual it may cause interference to radio communications.It has been tested
and found to comply with the limits for a Class A computing device (pursuant to Subpart J of Part 15 FCC Rules),which
are designed to provide reasonable protection against such interference when operated in a commercial environment.
Operationofthisequipmentin aresidentialareaislikelytocauseinterference,inwhichcasetheuser,athisownexpense,
will be required to take whatever measures may be required to correct the interference.
Hazard /Warning
Label Identification
RISK OF ELECTRIC SHOCK
DONOTOPEN
CAUTION
WARNING:SHOCKHAZARD -DONOTOPEN
AVIS:RISQUEDE CHOC ELECTRIQUE - NEPASOUVRIR
CAUTION:TOREDUCETHERISKOFELECTRICSHOCKDO NOT
REMOVEANY COVERORPANEL.NO USER SERVICEABLEPARTS
INSIDE.REFERSERVICINGTOQUALIFIEDSERVICEPERSONNEL.
WARNING:TOREDUCETHE RISK OF FIREOR
ELECTRICSHOCK,DO NOTEXPOSETHE POWER
SUPPLY ORCONSOLETO RAINOR MOISTURE.
The LighLigh
LighLigh
Lightning Ftning F
tning Ftning F
tning Flashlash
lashlash
lashWW
WW
With Aith A
ith Aith A
ith Arr
rr
rrr
rr
roo
oo
owhead symbwhead symb
whead symbwhead symb
whead symbolol
olol
ol,withinanequilateraltriangle,alertstheuser to thepresenceof
uninsulateddangerousvoltagewithintheproduct’senclosurethatmaybeofsufficientmagnitudetoconstitute
arisk of electricshock.
The EE
EE
Exx
xx
xclamaclama
clamaclama
clamation Ption P
tion Ption P
tion Poinoin
oinoin
oint symbt symb
t symbt symb
t symbolol
olol
ol, within an equilateral triangle, alerts the user to the presence of important
operatingand maintenance(servicing)instructionsin productliteratureand instructionmanuals.

Revision B.1 • 7/04
HARRIS CORPORATION
v
This page provides a quick reference of
thecurrentdocumentpagesandtheirrevisionlevel.
When a revision to this document is received from
Harris,replace the old manual pages with the new
ones.DiscardtheoldpagesandpostthenewManual
Revisions page in place of this page.
Revision Affected pages Comments
A All pages 3/99 First Release
B All pages 10/99 Corp. Name Change
Operation 3-4 7/00 Telco Upgrade
B.1 Gen Info 3-4 7/04 specification corrections
Manual Revisions

Revision B.1 • 7/04
HARRIS CORPORATION
1
Thanks for joining the growing ranks of
broadcasters employing Harris Corporation prod-
ucts designed by Pacific Research & Engineering.
Harris Corporation supplies audio products and
systems to the world’s leading broadcast facilities.
Our mission is to provide the finest quality prod-
ucts, systems, documentation and after-sale sup-
port.We invite comments and suggestions for im-
provements to this documentation and to all of
our services.
AirWave Digital is a very sophisticated console
with an extensive range of features contained in a
compact design.To obtain maximum benefit from
the console’s capabilities, read the
Installation, Op-
eration and Equipment Description
chapters prior to
product installation.
PRODUCT OVERVIEW
Each Airwave Digital mainframe ships standard
with one each of these modules:
• Microphone Preamp
• Monitor
• Output
• Timer Control
The modules are installed into their standard
positions in the mainframe along with the Input
modules ordered. Additional Mic Preamps, Ana-
log or Digital Remote Line Selectors, and up to
two Telco modules, or various accessory panels,
may also be installed per the order. If required,
blank panels are available to cover unused mod-
ule positions.
AirWave Digital’s motherboard and module area
is completely contained within a welded steel chas-
sis for strength and RFI immunity.The meter panel
is hinged at the rear, locking down over the upper
part of each module, covering the audio and logic
connectors and the Logic Settings switches. Be-
neath the meter panel, the chassis bottom is open
for easy cable access.
Module Descriptions
Microphone Preamplifier
Contains five preamplifiers with individual gain
controls under a security cover. Phantom power
(+45VDC) is selectable for each input.The pream-
plifier outputs are +4 dBu balanced for connec-
tion directly to an Input module or to outboard
mic processing equipment. One module is supplied
standard, but additional Mic Preamplifier mod-
ules can be installed into any RLS or input posi-
tion.
Input
Each Input module can be configured as an ana-
log module (with two balanced, stereo inputs), or
as a digital module (with two AES-3 inputs)
through a plug-in SIM (Single In-Line Module).
Each Input module features two input selection
(A or B), channel on/off control, fader level con-
General
Information
1

Revision B.1 • 7/04
HARRIS CORPORATION
2
1 General Information
trol (with the selectable global fader start feature),
Cue and Off-Line control and output selection to
three program buses. Faceplate channel trim con-
trols allow the analog version to accept input lev-
els from -10 dBu to +4 dBu.
The module’s inputs are electronically switched
through a faceplate A/B Input selector. Logic wir-
ing to/from external peripherals connects to a 24-
pin logic connector on the faceplate. Logic and
module function options for the A or the B input
are set through a ten-position faceplate DIP switch.
A second, optional interface connector is available
for separate logic control for the A and B inputs.
Telco Input/Output
Up to two optional Telco modules can be in-
stalled into the mainframe next to the monitor
module. These provide the audio and logic con-
nections for up to two telephone hybrids and two-
channel recorders.A faceplate trim control allows
the module to work with hybrid outputs from -10
dBu up to +4 dBu.
EachTelco module’s output (Feed to Caller) can
be set manually to any one or a combination of
the three program buses and the Off-Line mix
bus. The Autofeed function automatically
switches the Feed to Caller between the Off-Line
mix and the assigned bus with the highest prior-
ity when the Telco module is turned off and on
(for more information, see the Telco Operation
section) .
Monitor
A double-width module with the monitoring and
communication controls for a control room (C/R)
and separate studio or voice booth. Volume
controls for C/R and studio speaker volume, C/R
headphone and Cue are included with independent
source selection for each room (three external
inputs, Pgm-1, Pgm-2, Pgm-3 and Telco). The
module includes a C/R to studio talkback system
with built-in adjustable electret talkback mic. Both
C/R and studio warning outputs are provided.
Output
Contains the various analog stereo line output
amplifiers and the AES-3 digital outputs for the
Program-1 (Pgm-1), Program-2 (Pgm-2) and Pro-
gram-3 (Pgm-3) buses. A monaural analog out-
put of the Pgm-1, Pgm-2 or Pgm-3 bus (operator-
selected) is also provided. Each balanced analog
output uses a nominal level of +4 dBu. Each digi-
tal output is AES-3 compatible.
This module also has faceplate buttons for the
right-hand signal level meter selection, Program-
2 or Program-3, with momentary Cue bus level
metering. The module also has two DIP switches
for selecting if Fader Start is enabled and the me-
tering scale (VU or PPM).
Timer Control
Provides manual or automatic control over the
digital timer located in the meter panel. This
module also routes power to the clock/timer
assembly and provides an external reset for a
studio mounted timer. It also provides for a AA
battery backup voltage to hold the console’s logic
settings in case of momentary power outage.
Remote Line Selector (RLS)
Two line selectors are available: an analog RLS
and a digital RLS. Each is a 7x2 input selector.
The analog version uses balanced, line-level mono
or stereo signals.The digital version uses AES-3-
compatible digital signals. Two banks of seven
switches provide manual, exclusive source
selection, among the seven common external input
signals for the two outputs.
Power Supply
The separately packaged rack mount power
supply is fully regulated and protected by inter-

Revision B.1 • 7/04
HARRIS CORPORATION
3
1 General Information
nal fuses and electronic safeguards against exces-
sive current.
The power supply has five regulated output volt-
ages. Two outputs (±16 volts) power the analog
audio circuitry. A third (+5 volts) powers the DSP
and logic control circuitry.The remaining outputs
power the clock/timer assembly (+12 volts) and
supplies phantom powering (+45 volts) for con-
denser microphones connected to the Microphone
Preamplifier module.
SPECIFICATIONS
AirWave Digital’s specifications are significantly
more complete, and the related test conditions
more defined, than those usually shown for con-
soles in this class. Be sure to follow the test condi-
tions and measure in the units as stated.
The specifications are for a fully-loaded AirWave
Digital-20 mainframe.
Test Conditions:
Specifications are for the basic signal paths, per
channel, with 600 ohm loads connected to the
analog program outputs.
0 dBu corresponds to an amplitude of 0.775
volts RMS regardless of the circuit impedance.This
is equivalent to 0 dBm measured into a 600 ohm
circuit for convenient level measurement with
meters calibrated for 600 ohm circuits.
Noise specifications are based upon a 22 kHz
measurement bandwidth.The use of a meter with
30 kHz bandwidth will result in a noise measure-
ment increase of approximately 1.7 dB.
Total Harmonic Distortion (THD) is measured
at a +23.5 dBu output level using a swept signal
with a 22 kHz low pass filter.
FSD = Full Scale Digital, +24 dBu
Microphone Preamplifiers
Source Impedance:
150 ohms
Input Impedance:
5 k ohms minimum, balanced
Input Level Range:
Adjustable, -70 to -30 dBu
Input Headroom:
>20 dB above nominal input
Output Source Impedance:
220 ohms balanced
Nominal Output Level:
+4 dBu, balanced
Output Load Impedance:
2.5 k ohms minimum
Analog Line Inputs
Source Impedance:
600 ohms or less
Input Impedance:
>40 k ohms, balanced
Input Level Range:
Adjustable, -10 to +4 dBu
Input Headroom:
20 dB above nominal input
Analog Main Outputs
Output Source Impedance:
80 ohms balanced
Output Load Impedance:
600 ohms minimum
Nominal Output Levels:
Program/Monaural Outputs: adj. +4 dBu
Telephone Mix-Minus: set at +4 dBu
Telephone Recorder Mix Feed: +4 dBu
Maximum Output Levels:
Program and Monaural: +24 dBu
Telco Mix-Minus: +24 dBu
Telco Recorder Mix Feed: +24 dBu
Digital Inputs & Outputs
Reference Level:
+4 dBu (-20 dB FSD)
Digital I/O:
Thru digital Input or RLS modules
and the digital program outputs.
Signal Format:
AES-3, S/PDIF (input only)
AES-3 Input Compliance:
24-bit
AES-3 Output Compliance:
24-bit
Digital Reference Frequency:
Internal crystal
Internal Sample Rate:
48 kHz
Processing Resolution:
24-bit fixed with
extended precision accumulators
Conversions:
A/D is 24-bit Delta-Sigma, 128x
with sample rate conversion on all digital
inputs. D/A is 24-bit Delta-Sigma, 128x
Latency:
<1 ms, Mic in to Monitor out; <300 µs
digital input to digital output

Revision B.1 • 7/04
HARRIS CORPORATION
4
1 General Information
Monitor Outputs
Output Source Impedance:
400 ohms, balanced
Output Load Impedance:
2.5 k ohms or greater
Output Level:
+4 dBu nominal, +24 dBu max.
Console Headphone Output:
0 dBu, >8 ohm load
External Headphone Amplifier Output:
Source Impedance: 400 ohms
Load Impedance: 2.5 k ohms or greater
Output Level: +4 dBu nominal, +22 dBu max.
Frequency Response
Microphone or Line Input to Program Output:
+0 dB/-0.5 dB, 20 Hz to 20 kHz
Telco Input to Program Output:
+0 dB/-2.0 dB, 20 Hz to 20 kHz
Dynamic Range
Analog Input to Analog Output:
89 dB ref. to FSD, 91 dB “A” weighted to FSD
Digital Input to Analog Output:
92 dB ref. to FSD, 95 dB “A” weighted to FSD
Equivalent Input Noise
Microphone Preamp
: -127 dBu, 150 ohm source
Total Harmonic Distortion + Noise
Mic Pre Input to Mic Pre Output:
<0.005%, 20 Hz
to 20 kHz, -38 dBu input, +18 dBu output, 100 k
ohm load, 22 kHz filter bandwidth.
Analog Input to Analog Output:
<0.02% at 1kHz,
+18 dBu input, +18 dBu output, 600 ohm load,
22 kHz filter bandwidth.
<0.05%, 20 Hz to 20 kHz, +18 dBu input, +18
dBu output, 600 ohm load, 22 kHz filter
bandwidth.
Digital Input to Digital Output:
<0.0016%, 20 Hz
to 20 kHz, +18 dBu input, +18 dBu output,
20 kHz filter bandwidth
Digital Input to Analog Output:
<0.005% at
1 kHz, +18 dBu input, +18 dBu output, 600
ohm load, 22 kHz filter bandwidth.
<0.05%, 20 Hz to 20 kHz, +18 dBu input,
+18 dBu output, 600 ohm load, 22 kHz filter.
Crosstalk Isolation
Program-to-Program:
>90 dB, 20 Hz - 20 kHz
A Input to B Input:
>83 dB, 20 Hz - 20 kHz
B Input to A Input:
>86 dB, 20 Hz - 20 kHz
Stereo Separation
Analog Program Outputs:
>87 dB @ 1 kHz,
>78 dB, 20 Hz to 20 kHz
Console Power Requirements
Fully configured AirWave Digital-12:
120 watts at
115 VAC, ±8%, 50/60 Hz
Fully configured AirWave Digital-20:
170 watts at
115 VAC, ±8%, 50/60 Hz
Power Supply Main fuse rating:
1.25 amp at 230
VAC (IEC), 2.25 amps at 115VAC (UL)
Power Supply Voltages
Phantom power:
+45VDC at 0.100 Amp
Audio power:
±16VDC at 1.00 Amp (each leg)
Digital & Logic power:
+5 VDC at 6.5 Amps
and +12VDC at 4.0 Amps
Power Supply Ground
Chassis grounded through AC cord.
DC voltages floating from chassis.
Power Supply Connection
AC input:
IEC power cord
DC output:
Keyed multi-pin connector
Harris Corporation reserves the right to change
specifications without notice or obligation.

Revision B.1 • 7/04
HARRIS CORPORATION
5
1 General Information
WARRANTY
The AirWave Digital console carries a
manufacturer’s warranty which is subject to the
following guidelines and limitations:
A) Except as expressly excluded herein, Harris
Corporation (“Seller”) warrants equipment
of its own manufacture against faulty
workmanship or the use of defective
materials for a period of one (1) year from
date of shipment to Buyer. The liability of
the Seller under this Warranty is limited to
replacing, repairing or issuing credit (at the
Seller’s discretion) for any equipment,
provided that Seller is promptly notified in
writing within five (5) days upon discovery
of such defects by Buyer, and Seller’s
examination of such equipment shall
disclose to its satisfaction that such defects
existed at the time shipment was originally
made by Seller, and Buyer returns the
defective equipment to Seller’s place of
business in Mason, Ohio, packaging and
transportation prepaid, with return
packaging and transport guaranteed.
B) Equipment furnished by Seller, but
manufactured by another, shall be warranted
only to the extent provided by the other
manufacturer.
C) Thermal filament devices (such as lamps and
fuses) are expressly excluded from this
warranty.
D) The warranty period on equipment or parts
repaired or replaced under warranty shall
expire upon the expiration date of the
original warranty.
E) This Warranty is void for equipment which
has been subject to abuse, improper
installation, improper operation, improper
or omitted maintenance, alteration, accident,
negligence (in use, storage, transportation
or handling), operation not in accordance
with Seller’s operation and service
instructions, or operation outside of the
environmental conditions specified by Seller.
F) This Warranty is the only warranty made
by Seller, and is in lieu of all other
warranties, including merchantability and
fitness for a particular purpose, whether
expressed or implied, except as to title and
to the expressed specifications contained in
this manual. Seller’s sole liability for any
equipment failure or any breach of this
Warranty is as set forth in subparagraph A)
above; Seller shall not be liable or
responsible for any business loss or
interruption, or other consequential
damages of any nature whatsoever, resulting
from any equipment failure or breach of this
warranty.

Revision B • 7/00
HARRIS CORPORATION
1
25" [610.0 mm] 4
1
/
2
"
[114.3 mm]
7
1
/
2
"
[190.0 mm]
The AirWave Digital mainframe can sit
on top of, or be recessed into, the studio furni-
ture countertop. A minimum of two inches of
rear clearance and 13½ (343.0 mm) inches of
vertical clearance above the countertop is
required to fully open the meter panel to its
service position.
The AirWave Digital console shipment consists of:
• The 12- or 20-input mainframe with the standard
modules installed: Monitor,Timer Control, Output
and Microphone Preamp.
• Also installed are the Input,RLS andTelco mod-
ules,accessory panels and blank panels that were
ordered with the mainframe.
• The rack-mount power supply.
• The AirWaveTool kit (AA batteries,AMP MOD
IV Crimp and contact removal tools, hex driver,
pot knob removal tool and clock set magnet tool).
• Audio andLogic connector kits for the mainframe
and for each module ordered.The kits contain all
the AMP MOD IV connector housings and re-
ceptacle contacts needed for installation.
B
TABLETOP INSTALLATION VIEW
12345678901234567890123456789012123456789
1
234567890123456789012345678901212345678
9
1
234567890123456789012345678901212345678
9
12345678901234567890123456789012123456789
Wiring Access Cutout 3" [76.20]
C
CONSOLE SIDE VIEW,with dimensions
DimensionTable
Mainframe A B C
AirWave-12 32"[812.8] 33"[838.2] 28½"[723.9]
AirWave-20 44"[1117.6] 45" [1143] 40½"[1028.7]
Millimeter dimensions in brackets. All dimensional tolerances are +¼"
[6.350], -0" [0.0]. Typical front setback is 12" [304.8]. Allow 2" [50.80]
clearancebehindmainframeand13½"[342.9]clearanceabovethemeter
panel.
Installation
2
1234567890123456789012345678901212345678
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1
23456789012345678901234567890121234567
8
1234567890123456789012345678901212345678
22¼"
[565.2] CONSOLE CUTOUT
(for recessed installations)
A
25"
[635.0] 21¾"
[522.5]

Revision B • 7/00
HARRIS CORPORATION
2
2 Installation
ModulePlacement
The12 (or 20) Input modulepositions can have
any combination or order of Input modules, Mic
Preamps,RemoteLine Selectors (RLS)or custom
remotepanelsinstalled.The remainingconsolepo-
sitions are fixed.TheTimer Control,Mic Preamp,
Monitor,Output and the two optionalTelco mod-
ules must be positioned as shown in the illustra-
tion. However, the two Telco positions may alter-
nately have Input modules installed in them.The
RLS position, between the Monitor and Output
modules, can only be used for either an RLS or a
Mic Preamp.
TheMeterPanel
Two Bargraph meters provide level monitoring
for Pgm-1 and either Pgm-2 or Pgm-3 with mo-
mentary Cue bus selection.The meter scale (VU
orPPM) is setvia DIP switchonthe Output mod-
ule.The cue/talkback speaker, a clock and event
timer are also on the panel.
To simplify console installation,logic cable wir-
ingdiagrams for specific peripheral equipment are
availablefromHarrisCorporation.Customengrav-
ing for the button caps and colored fader knobs
are also available.See Chapter 7,
Accessories
,forde-
tails.
INSTALLATION NOTE: Do not locate the con-
solenear intense electromagnetichum fields,such
as those produced by large power transformers
and by audio amplifiers which use inexpensive
power transformers operating in or near satura-
tion.Strong electromagnetic fieldsmay impairthe
performance of AirWave Digital and neighboring
equipment. Audio cables must also be routed to
achieve maximum practical distance from all AC
power mains wiring.
MAINFRAME CONFIGURATION
AirWave Digital continues PR&E’s design phi-
losophy of positioning the input modules in the
physical center of the mainframe.This gives the
operator equal reach to peripheral equipment lo-
cated to the sides of the console.
AirWave Digital-12 Module Configuration
Timer Control module
Microphone Preamplifier
Telco module 1 (optional)
Control Room &
Studio Monitor module
Remote Line Selector (optional)
Output module
Note:Note:
Note:Note:
Note:The AirWave Digital-20 mainframe has eight additional Input module positions.
Telco module 2 (optional)
Input module positions 1 - 12
Program-2 / 3Program-1
PACIFIC RESEARCH & ENGINEERING
VU
PPM -40
-40 -20
-20
-10
-16 -12 -8
-7 -5
-4
-3
-2
-1
0
0
+8+4
+1
+2
+3
-40 -20 -10 -7 -5 -3
-2
-1
0
+1
+2
+3
VU
Peak
VU
PPM -40
-40 -20
-20
-10
-16 -12 -8
-7 -5
-4
-3
-2
-1
0
0
+8+4
+1
+2
+3
-40 -20 -10 -7 -5 -3
-2
-1
0
+1
+2
+3
VU
Peak
Pgm-2
Pgm-3
::
:.

Revision B • 7/00
HARRIS CORPORATION
3
2 Installation
CONNECTOR ACCESS
The meter panel is set into its service position
toaccessthemoduleconnectors.Tomovethemeter
panel to its service position, simultaneously press
on the latch buttons, located on the ends of the
meter panel, while lifting and rotating the panel
rearward.
Note: When opened to its service position,ex-
ercise caution to ensure the panel does not acci-
dentally fall closed.
To ease initial wiring, the meter panel can be
completely removed from the mainframe chassis.
Set the panel to its service position and unplug all
meter panel cabling to the speaker, meters and
clock/timer.Withanotherperson holding themeter
panel unlatch the two hinges, by moving the two
release pins into their detent positions,to free the
meterpanel.Toreinstallthe meterpanel,first align
the hinge parts together and then release the pins
out of their detents.
POWERSUPPLY
The power supply is typically rack mounted in
theconsole cabinetrybelow and tothe left or right
of the supporting countertop. The power supply
must be installed so that the ten-foot DC power
cable,that is fastened to theright end ofthe main-
frame motherboard, is not under tension.
DCGROUNDINGNOTE:The DC outputsof the
powersupply are not referenced tothe power sup-
ply chassis and, therefore, are floating from the
AC safety ground.
Do Not Connect
audio or logic
supply ground wiring to the chassis of the power
supply.
AC GROUNDING NOTE: Do not defeat the
safety ground in any way.Doing so may provide a
potentially dangerous condition to the operator.
Refer to the
AirWave Universal Power Supply Techni-
cal Manual
(PR&E # 75-41) for complete power
supply installation details.
GROUNDING & SHIELDING
The broadcast facility’s
technicalground
should
onlyconnecttothemainframechassisgroundstud.
The stud is located next to the DC power supply
cable entry point into the chassis.Terminate the
facility’s technical ground wire in a crimped lug.
Connect the audio shields at both the console
and the peripheral when all system components
share a common ground potential and are using
isolated ground AC outlets tied individually back
to the main technical ground.
If isolated ground AC outlets are not available,
connect the cable shields at the console end only.
The shields should be floated (left unconnected)
at the peripheral device. Ensure the peripheral
devices connect to a clean ground through their
power cords,or through separate ground wires to
the facility’s technical ground.
POWER SUPPLY GROUNDING NOTE: The
power supply chassis is connected to the safety or
“U”ground wire in the AC mains supply cable.
Audio signals are not referenced to this ground in
any way by the console.
AUDIOGROUNDNOISES: Buzzpickup is gen-
erally electrostatic—such as capacitive coupling
between an audio line and a power line. Do not
route audio lines in the same wireway as an AC
power line.

Revision B • 7/00
HARRIS CORPORATION
4
2 Installation
INSTALLING BACKUP BATTERIES
Two AA batteries are supplied in the Installa-
tionTool Kit.They supply a“Keep Alive”voltage
that holds each module’s logic state during mo-
mentary power outages. They mount in battery
clips on theTimer Control module circuit board.
Observe the correct polarity (marked on the cir-
cuit board) when installing the batteries.
Note: Replace batteries yearly to ensure con-
tinuous backup protection. Remove one or both
batteries to prolong battery life when the console
will be unpowered for an extended period.
SETTING THE CLOCK
The digital time-of-day clock can be a master
oraslave.Inmastermode,the factorypreset,clock
timing is derived from a temperature-
controlledquartz crystal oscillator.In slavemode,
clock timing is derived from aTC76/TC89-com-
patible ESE master clock reference signal.
The operating mode is set by switch S1, #1 on
theclock/timer circuit board.Toaccess the clock/
timer board, open the meter panel to its service
position.The clock/timer board is mounted be-
hind the clock/timer display on the meter panel.
With the clock set to master mode, it’s neces-
sary to manually set the clock once power is ap-
plied to the console.Three magnetically-activated
Hall-effect sensors are used to adjust or hold the
time.They are positioned belowand between each
pair of 7-segment displays, just behind the dis-
playface.Clock set magnettool (PR&E #90-151)
is used to activate the Hall-effect sensors.
To set the time, place the end of the magnet tool
directly against the plastic face over the appropri-
atesensor.Use
Fast Set
to quickly advancethetime
and
Slow Set
to slowly advance the time.To syn-
chronizetheclockdisplayto realtime,settheclock
a few seconds ahead and use
Hold
to freeze the
display.Tostart theclock,movethetoolawayfrom
Hold
.
When an ESE time code signal is connected to
BNC connector, J3, on the clock/timer circuit
board,and slave mode is selected (S1,#1,is set to
theright),theclock does notneedtobe set. Should
the ESE time code signal fail, the clock automati-
cally defaults to its internal crystal reference os-
cillator,blinking an LED below the clock display
to indicate the loss of time code.
TimerDisplay
The EventTimer displays time in minutes,sec-
onds and tenths of seconds.The tenths of seconds
displayis normallyturned offwhilethe timerruns.
Itcanbeturnedon whilerunningbymovingclock/
Setting the Clock
NN
NN
Notot
otot
ote:e:
e:e:
e:Theplasticclock/timerbezelmaybescratched
if the tool is moved while in contact with the lens.
FAST
SET
SLOW
SET
HOLD
PR&E #90-151
Clock
Timer
Master clocks are available from:
ESE
142 Sierra St.
El Segundo, CA 90245.
Telephone: 310.322.2136
www.ese-web.com
1 2
S1
Clock/Timer Option Switches
Switch S1,on the Clock/Timer printed circuit board,
asviewedwiththemeterpanelinitsserviceposition.
Factory default settings shown.
Clock:Master Mode
Timer: .1 display On .1 display Off
Slave Mode

Revision B • 7/00
HARRIS CORPORATION
5
2 Installation
Follow these steps for audio wire preparation:
1. Strip the cable insulation jacket and foil
shield back 1½" [38.10 mm].
2. Remove the foil shield and sleeve the drain
wire with 20 AWG Teflon sleeving, leaving
9/64"[3.572 mm] ofthe drainwire exposed.
3. Cover the cut end of the jacket with 3/4'
[19.05 mm] of heat-shrink tubing, centered
on the cut. Shrink this tubing to hold the
drain wire sleeving in place.
4. Strip the signal wire insulation back 9/64"
[3.572 mm].
5. Crimp the receptacle contacts onto the wire
and insulation.
AA
AA
AudioCudioC
udioCudioC
udioCableSableS
ableSableS
ableShieldNhieldN
hieldNhield N
hieldNotot
otot
ote:e:
e:e:
e:
To ensureyour installa-
tionfollows recommended grounding procedures,
youmustsleevealldrain wireswithTeflon sleeving
and put heat shrink tubing over all cable jacket
cut ends to insulate the shield wire.
timer circuit board switch S1, #2, to the left.The
tenths of seconds are always displayed while the
timer is in the Stop or Hold modes,regardless of
the setting of switch S1,#2.
Cabling &Wiring
Before beginning the installation, draw a facil-
itywiring planlisting theconsole interconnections
with peripheral devices. Identify and create tags
for all audio and logic cabling.List each connec-
tion in a master facility wiring logbook to facili-
tate wiring installation, future system wiring
changes,equipment updates and system trouble-
shooting. Refer to
Module Connections
, pages 17
through 23 later in this chapter,for the audio and
logic connector pin-out definitions.
Analog audio connections require two-conduc-
tor stranded, insulated, foil-shield cable contain-
ing a separate shield drain wire (equivalent to
Belden 8451, 9451 or 8761).
AES/EBU connections require 110 ohm two-
conductor stranded, insulated, foil-shield cable
containing a separate shield drain wire (equiva-
lent to Belden 1800A).
Logiccontrol cablesrequire stranded,22AWG,
multiple conductor, non-shielded, jacketed cable
(equivalent to Belden 9423, 8457 or 9421).The
number of conductors needed is determined by
theapplication.Typicallyfive andeight wire cables
are most often used for constructing logic cables
(there are only 18 distinct signals on the Logic
Interface connector, of which only a handful may
actually be used for any given application).
WIRE PREPARATION
All AirWave Digital audio and logic wiring ter-
minates in AMP MOD IV receptacle contacts at
the console.Stranded wire of 22 to 26 AWG,with
insulation diameters of .040 to .060 inch, can be
used with the AMP MOD IV receptacle contacts.
AMP MOD IV
Receptacle Contacts
Cable ID
Tag
3/4”[19.05mm]
Shrink Tubing
Teflon Sleeving
over drain wire
Audio Wire Preparation
AMP MOD IV Receptacle Contacts
9/64”
Wire Barrel
Insulation Barrel
Properly
Crimped Contact

Revision B • 7/00
HARRIS CORPORATION
6
2 Installation
place while squeezing the tool handles to
crimp the contact onto the wire. The tool
handlesautomaticallyreleaseand springopen
after the crimp cycle is complete.
Aproperlycrimpedcontactreceptacle is inserted
and locked into the appropriate connector hous-
ing following the pin-out diagrams found in the
Module Connections section (pages 17 to 23). Note
that the receptacle contact must be inserted with
its locking tab side facing the locking tab slots on
the side of the connector housing.A light“click”
will be felt as the contact’s locking tab engages
the locking tab slot.
AContactRemovalTool(PR&E70-129) is used
to depress the locking tab if the contact and wire
need to be pulled out of the connector.
AUDIO CONNECTIONS
Audio connector pin assignments take visual
advantage of the three-pins-per-row design of the
three-pin and six-pin AMP MOD IV connectors
for both analog and digital connections.
Logic control cables are fabricated in a similar
manner to the audio wiring.Strip the jacket insu-
lation back 1½" [38.10 mm], sleeve the cut end
with 3/4" [19.05 mm] of shrink tubing and strip
the insulation from each wire 9/64" [3.572 mm].
CRIMPTOOL OPERATION
A ratcheting AMP MOD IV hand crimper is
included in the tool kit.The tool crimps both the
insulation and wire barrels on the AMP MOD IV
receptacle contacts in one crimp action.
Followtheseinstructions forusingthe ratcheting
crimp tool:
1. Hold the crimp tool with the printed side up.
Insertthe contact from the opposite side, with
the barrel openings up, until the insulation
barrel end is flush to the opening of the die.
Close the tool only until the anvil holds the
contact in place. Refer to the cutaway view.
2. Insert the stripped wire into the contact until
it hits the tool’s wire stop. Hold the wire in
AMP MOD IV
CrimpTool
Enlargement Of Crimper
(cutaway view)
Anvils
Printed
Side
Wire Stop
AMP MOD IV
Receptacle
Contact
Die
Receptacle Contact Insertion & Removal
Locking Tab
LockingTab Slots
6-pin
connector
6
5
4
3
2
1
Pin numbering shown from the wire entry end, oriented from
the board operator’s perspective.
Audio Connector Pin Numbering
3-pin
connector
3
2
1
Contact RemovalTool

Revision B • 7/00
HARRIS CORPORATION
7
2 Installation
should be connected to the mic processor with the
processor’s line-level output directly connected to
an Input module.
DigitalConnections
Digital outputs use three-pin connectors wired
liketheMic Inputs.Theseconnections outputAES-
3 compatible signals (often referred to as AES/
EBUsignals).
Note:The outputs cannot be directly connected
to a S/PDIF input. A signal translation interface
must be used to do this.
Because Input and RLS modules are available
with either an analog or a digital input, the con-
nectors on these modules use six-pin AMP MOD
IVconnectors evenwhenthe moduleis configured
for digital signals. Connect the AES/EBU signal
to pins 1,2 and 3 only.There is no connection on
pins 4, 5 and 6.
Routing digital audio signals through a patch
bay is not recommended.
When plugged into a module,the audio shields
are the pins closest to the console operator, the
audiolow wires are the middle pins and the audio
high wires are the back pins. For stereo, the left
channel wires connect to the left column of pins
and the right channel wires to the right-hand col-
umn of pins (all from the operator’s perspective).
AnalogConnections
There are no analog interstage patch points
within the AirWave Digital input or output mod-
ules.To use a patch bay,connect the line level out-
puts from the peripheral devices directly to the
patch bay and then normal these to the appropri-
ate analog Input modules. Likewise, AirWave
Digital’s analog outputs may also be routed
through a patch bay normalled to standard pe-
ripherals such as analog On-Air processing gear,
recorders,telephone hybrids,etc.
The Microphone Preamplifier module’s line-
leveloutputs(+4dBu,nominal,balanced) canalso
be routed through a patch bay normalled to an
Input module. If mic processing is required, the
Preamplifier module’s outputs may be routed
through line-level mic processing equipment and
then to an Input module.When mic-level input
capable processors are used, the microphone
Microphone Inputs
Pin Signal Description
1 Shield (connects directly to the chassis)
2 Low (- input)
3 High (+ input)
Two-Channel Line Inputs and Outputs
Pin Signal Description
1 Shield for left channel or signal 1
2 Low (- input), left channel or signal 1
3 High (+ input), left channel or signal 1
4 Shield for right channel or signal 2
5 Low (- input), right channel or signal 2
6 High (+ input), right channel or signal 2
AES/EBU Digital Outputs
Pin Signal Description
1 Shield (connects directly to the chassis)
2 Low (- input)
3 High (+ input)
AES/EBU Digital Inputs
Pin Signal Description
1 Shield for AES/EBU signal
2 Low (- input)
3 High (+ input)
4 noconnection
5 noconnection
6 noconnection

Revision B • 7/00
HARRIS CORPORATION
8
2 Installation
UNBALANCED CONNECTIONS
Even though all analog inputs and outputs are
active and balanced, unbalanced consumer or
“semipro”equipment can be connected. For best
results unbalanced devices should connect to the
console through an IHF-PRO match box.
If a match box is not available,connect unbal-
anced signals per the following illustration.Keep
unbalanced cable lengths as short as possible.
Whenan unbalanced devicemust be connected
to an AirWave analog balanced output, and an
IHF-PRO match box is not available, do not tie
thelow (-) and shield pins together to“unbalance”
the signal.The low pin must always be left“float-
ing,”as shown in the following illustration, when
unbalancing anAirWave output.
S/PDIFSignals
When a S/PDIF digital output is connected to
an AirWave digital input, a 249 ohm resistor is
used to properly load the 75 ohm S/PDIF cable.
Install the resistor onto the connector following
the diagram. Alternately, an unbalanced-to-bal-
anced line transformer may be used to connect a
S/PDIF signal to an AES/EBU input.
Note 1: AES/EBU output signals cannot con-
nect directly to S/PDIF inputs, a signal conver-
sion interface must be used.
Note 2: Some S/PDIF outputs may not work
with the AirWave’s digital inputs, even with the
additional load resistor, due to nonstandard sig-
nal levels or protocols in the S/PDIF product.
Connecting an S/PDIF Device to
an AirWave AES/EBU Input
Connecting an Unbalanced Device
to an AirWave Analog Input
Console
Balanced
Input
From the
Unbalanced
Device
R
L
Shields
3
2
1
6
5
4
3
2
1
6
5
4
249 ohm resistor
From
S/PDIF
Device
Console
AES/EBU
Input
Signal
Shield
Console
Balanced
Output
3
2
1
6
5
4
To Unbalanced
Device
R
L
Shields
Connecting an Unbalanced Device
to an AirWave Analog Output
(NominalOutput is -2 dBu)
(Make no connections to pins 2 & 5)

Revision B • 7/00
HARRIS CORPORATION
9
2 Installation
LOGIC CONNECTIONS
Each Input module comes standard with one
24-pin logic connector to control a device con-
nectedto either theA or B input.The optional 99-
1003 Dual Logic Interface plug-in can be added
to any Input module to provide a separate logic
connection for each input.
When a peripheral device is connected, one of
the main functions of the logic interface is to start
the peripheral at module on.The peripheral de-
vice logic can, in turn, control the Input module;
turningthe moduleaudio offat theend ofan event
and then controlling the Off lamp illumination to
indicate the peripheral device status.
When a Guest Panel is connected, its remote
On,Off, Cough andTalkback buttons control the
module while the logic control outputs from the
module control the button tallies in the Guest
Panel.
THE LOGIC INTERFACE
A simplified schematic for the Input module
interface is shown below.The dual logic plug-in is
identical. Logic outputs (shown on the right) are
isolatedfrom peripheral devices byfive solid-state
devicesfunctioning likesingle-pole mechanicalre-
lays.The“relaycontacts”can switch external volt-
ages of up to 60 volts at 350 mA.
Each press of the On button generates a 220
ms pulse from the Start Pulse relay.Each press of
the Off button generates a 220 ms pulse from the
Stop Pulse relay.These two relays are commoned
together at Command Common.The other three
relays, Logic ActiveTally, OnTally and Off Tally,
are also“commoned” together at the Tally Com-
monoutput.
The six logic inputs (on the left side of the illus-
tration) are opto-isolated and current limited so
anylogic voltage from +5 to +40VDC canbe used.
Notes:
LM317 used as current limiting device
Opto-Isolator inputs can handle +5 to +40 VDC logic
Opto-Isolator outputs can handle up to 60 volts at 350 mA
Jumper E1 to E2 to continuously activate +5 Logic power.
n/c
Audio Reset (+)
Ready (+)
J3
J3
J3
J3
J3
J3 18
19
21
Ready (-)
Audio Reset (-)
Ext. Control In (+)
LM317
LM317
LM317
LM317
LM317
J3
J3
J3
J3 20
9
7
8
On (-)
Off (-)
Cough (-)
Talkback (-)
24
22
23
13
15
4
5J3
J3
J3
J3
Start Pulse
Stop Pulse
Command Common
Logic Active Tally
J3
J3
J3
J3
J3
J3
Logic Ground
Logic Ground
Logic Ground
Off Tally
Tally Common
On Tally
17
16
14
1
2
3
12
11
10
6J3
J3
J3
J3 +5 Logic
+5 Logic
+5 Logic
+5 Logic
+5
Reg.
V+12D
LM317
Internal Logic
E2
E1
Simplified Schematic,Input Module Logic Interface

Revision B • 7/00
HARRIS CORPORATION
10
2 Installation
The On, Off, Cough andTalkback inputs allow
remote mic panel switches to control the Input
module through active low logic signals (pull to
ground).To enable these inputs jumper the Exter-
nal Control In (+) connection to +5 Logic.
The Audio Reset and Ready inputs can use ei-
theractivelowlogic (pullto ground) or activehigh
logic(pull to+VDC) fromperipheral devices.With
active high logic, Ready (-) and Audio Reset (-)
are tied to logic ground on the peripheral device.
Ready (+) and Audio Reset (+) then connect to
the appropriate logic outputs on the peripheral
device.
When active low logic is used by the peripheral
device,Ready (+) and Audio Reset (+) connect to
the logic supply voltage on the peripheral device,
and Ready (-) and Audio Reset (-) connect to the
appropriate logic outputs.
In normal operation the +5 Logic supply is
turned off when the interface is not enabled for
the input selected. Circuit board pads E1 and E2
can be jumpered to supply +5 Logic voltage at all
times for special applications.
AirWaveDigital QuickLogicGuides
Pages 13 through 16 offer quick guides to con-
figuringthe console logic.Page 13contains anAir-
Wave Digital Logic Interface Glossary,Logic Set-
tings switch definitions and a copy of the simpli-
fiedlogic schematicfrom the previouspage.Pages
14, 15 and 16 show connection diagrams for a
Guest Panel (remote mic panel), a CD player and
a digital delivery system,respectively.
Note:
To completely isolate the console from a
peripheral device, use only the control input and
outputconnections.Theseare decoupled from the
console’s ground andpower supply through opto-
isolatordevices.
The Logic Ground and +5 Logic connections
are referenced to the console’s logic power supply
and ground. Connect these only to a peripheral
devicewithisolated logicconnectionsor toaGuest
Panel.Connecting these to a non-isolated periph-
eral device can result in a ground loop between
the console and the peripheral.
InputModuleLogic andMicrophones
Thetwo mainfunctions of microphone logic are
toautomatically mute the monitor speakersin the
room with the“hot”mic and to command the ap-
propriate hot mic warning light.
The warning commands come from the Moni-
tor module, but it is the first four Logic Settings
switches on each Input module that tell the moni-
tormodule whether theA and/or Binput is acon-
trol room or a studio microphone.
Page 14 summarizes setting up an Input mod-
ule as a microphone input.To activate the Guest
Panel logicfunctions,turn onLogicSettingsswitch
7 and set switch 8 for the appropriate A or B in-
put.To enable the remote control inputs (On, Off,
Cough,Talkback),jumper External Control In (+)
to +5 Logic on the logic connector.
MomentarySPSTswitchesareused to construct
aremote mic controlpanel like that shownabove.
Connect one side of each control panel switch to
the appropriate logic connector pin. Common the
other side of each switch (Switch Common on the
control panel illustration) to Logic Ground.
Guest Panel, Simplified Schematic
for 99-949-1 or -2
1 +5 V
2 Talkback Switch
3 Talkback Lamp
4 Cough Switch
5 Cough Lamp
6 On Switch
7 On Lamp
8 Off Switch
9 Off Lamp
10 Switch Common
This manual suits for next models
3
Table of contents