RTS 803 User Instructions

ELECTRONIC SWITCH ACTION

TM

USERINSTRUCTIONS

MODEL803

MASTERINTERCOMSTATION

INSTANT

BILAT

TOTAL

QUICKTOUCH TOLATCH
HOLDFOR MOMENTARY

MODEL803
MASTERSTATION

MASTER
VOLUME

PROGRAM

VOLUME

CARB MIC
HEADSET

BUTTON

MIC

RELAY2

CONF

TALK

CONF

LISTEN

SELECT
RELAY3

XPM

IHM

CONF

2

3

TALK

CONF

2

3

LISTEN

LOCK

LOCAL

2W/4W

IFB

2W

1

2

PRESET1

PRESET2 PRESET3

4W

4

5

PRESET4

PRESET5

PRESET6

MICS

NL

7

8

OFF

BUFFER

0

RECALL

*

P1

ISO/4W

PGM1PGM

VOXPMVOX

HM

RELAY1

SP/L/R

3

6

9

GRST

#

P2

2

IPM

CALL

&

CONF

SETUP

1

TALK

SPKR

SPK

ON

CONF

1

PANEL

L

LISTEN

ON

MIC

R

ON

SIDE

LAMP

TONE

DIM

CHIME

AUTO

MUTE

SELECT

RELAY4

RELAY5

XHM

CONF

CONF

4

5

TALK

TALK

CONF

CONF

4

5

LISTEN

LISTEN

543216789101112

LISTEN
RELAY6

CONF

TALK

CONF

LISTEN

AUTO
TALK
CALL

DISABLE

CONF

6

7

TALK

CONF

6

7

LISTEN

NULL

LEVEL

CONTACT

LATCH

DISABLE

CONF

TALK

CONF

LISTEN

EXT

TALKTURNS

TALKTURNS

PRESETS CALLER ID

ONLISTEN

OFFLISTEN

MIC

VOX

SELECT

ENABLE

CONF

CONF

8

9

10

TALK

TALK

CONF

CONF

8

9

10

LISTEN

LISTEN

LISTEN

PRESET
EXCLUDE

CONF

TALK

CONF

UPPERSWITCH

SPECIAL

LOWER SWITCH

PURPOSE

CONF

11

12

TALK

CONF

11

12

LISTEN

DYN-MIC

HEADSET

®

Model 803 Master Intercom Station

(Shown with Optional Panel Microphone)

9350-7547-000Rev A1,8/21/97

™

Proprietary Notice

Customer Support

The RTS product information and design disclosed herein
were originated by and are the property of Telex
Communications, Inc. Telex reserves all patent,
proprietary design, manufacturing, reproduction, use and
sales rights thereto, and to any article disclosed therein,
except to the extent rights are expressly granted to others.

Copyright Notice

Copyright 1996 - 1997 by Telex Communications, Inc..
All rights reserved. Reproduction in whole or in part
without prior written permission from Telex is prohibited.

Unpacking And Inspection

Immediately upon receipt of the equipment, inspect the
shipping container and the contents carefully for any
discrepancies or damage. Should there be any, notify the
freight company and the dealer at once.

Warranty Information

RTS products are warranted by Telex Communications,
Inc. to be free from defects in materials and workmanship
for a period of three years from the date of sale.

The sole obligation of Telex during the warranty period is
to provide, without charge, parts and labor necessary to
remedy covered defects appearing in products returned
prepaid to Telex. This warranty does not cover any defect,
malfunction or failure caused beyond the control of
Telex, including unreasonable or negligent operation,
abuse, accident, failure to follow instructions in the
Service Manual or the User Manual, defective or
improper associated equipment, attempts at modification
and repair not authorized by Telex, and shipping damage.
Products with their serial numbers removed or effaced are
not covered by this warranty.

To obtain warranty service, follow the procedures entitled
"Procedure For Returns" and "Shipping to Manufacturer
for Repair or Adjustment".

This warranty is the sole and exclusive express warranty
given with respect to RTS products. It is the responsibility
of the user to determine before purchase that this product
is suitable for the user's intended purpose.

Any and all implied warranties, including the implied
warranty of merchantability are limited to the duration of
this express limited warranty. Neither Telex nor the dealer
who sells rts products is liable for incidental or
consequential damages of any kind.

Technical questions should be directed to:

Customer Service Department
RTS/Telex,
2550 Hollywood Way, Suite 207
Burbank, CA 91505 U.S.A.
Telephone: [phone]
Fax: [phone]

Return Shipping Instructions

Procedure For Returns

If a repair is necessary, contact the dealer where this unit
was purchased.

If repair through the dealer is not possible, obtain a return
authorization from:

Customer Service Department
Telex Communications, Inc.
Telephone: [phone]
Fax: [phone]

DO NOT RETURN ANY EQUIPMENT DIRECTLY
TO THE FACTORY WITHOUT FIRST
OBTAINING A RETURN AUTHORIZATION.

Be prepared to provide the company name, address,
phone number, a person to contact regarding the repair,
the type and quantity of equipment, a description of the
problem and the serial number(s).

Shipping to Manufacturer for Repair or Adjustment

All shipments of RTS products should be made via
United Parcel Service or the best available shipper,
prepaid. The equipment should be shipped in the original
packing carton; if that is not available, use any suitable
container that is rigid and of adequate size. If a substitute
container is used, the equipment should be wrapped in
paper and surrounded with at least four inches of
excelsior or similar shock-absorbing material. All
shipments must be sent to the following address and must
include the Return Authorization.

Factory Service Department
Telex Communications, Incorporated
West 1st Street
Blue Earth, MN 56013 U.S.A.

Upon completion of any repair the equipment will be
returned via United Parcel Service or specified shipper
collect.

2

TableofContents

1 Description and Specifications 5

1.1 General Description 5

1.1.1 General 803 Features 5

1.1.2 803 Controls, Indicators, Connectors 6

1.1.2.1 Front Panel, User Controls 6

1.1.2.2 FrontPanel Trimmers 6

1.1.2.3 Front Panel, Connectors 6

1.1.2.4 Back Panel, Controls 6

1.1.2.5 Back Panel, Standard Connectors 6

1.1.2.6 Back Panel, Optional Connectors 6

1.1.2.7 Back PanelTrimmers 6

1.1.2.8 Internal DIP Switches and Jumpers 7

1.1.3 Setup Mode Description 7

1.1.3.1 Names for Setup Mode Features 7

1.1.3.2 Setup Mode Features 7

1.1.4 803 Compatibility with RTS Video ISO System 9

1.1.5 803 Compatibility with RTS Model 4000 IFB System
and Local IFB 10

1.1.6 Comparison of 803 and 802 10

1.1.6.1 Retained Features 10

1.1.6.2 New Features & Changes 10

1.2 Specifications 11

1.2.1 803 Master Station 11

1.2.2 External Power Supply 11

2Installation13

2.1 Unpacking 13

2.2 Option Cable Installation 14

2.2.1 General Information 14

2.2.2 Back Panel Connector Installation 14

2.2.3 4-Wire Option Cable Notes 14

2.2.4 IFB and ISO Option Cable Notes 14

2.2.4.1 General Notes 14

2.2.4.2 IFB 1 Cable Notes 15

2.2.4.3 IFB 2 Cable Notes 15

2.2.5 ISO 1 Cable Notes 15

2.2.5.1 ISO 2 Cable Notes 15

2.3 DIP Switch Settings 16

2.4 LED "Off" Brightness Jumpers 17

2.5 Front Panel Button Inserts 17

2.6 Setting the Key Code Switch 17

2.7 Resetting the 803 19

2.8 Mounting the 803 20

2.9 803 Connections 20

2.9.1 J101 Connector 21

2.9.2 J102 Connector 22

2.9.3 J103 Connector 23

2.9.4 J104 Connector 24

2.9.5 J104A Connector 25

2.9.6 J105 Connector 26

2.9.7 J106 Connector 27

2.9.8 J108 Connector 28

2.9.9 J109 Connector 29

2.9.10 J110 Connector 31

2.9.11 J111 Connector 32

2.9.12 J112 Connector 32

2.9.13 J201 Connector 33

2.9.14 J202 Connector 33

2.9.15 J203 Connector 33

2.9.16 Miscellaneous Connections 34

2.9.16.1 Local IFB 34

2.9.16.2 External ISO 34

2.9.16.3 Using the Talk KeyingSignal Outputs 34

3 Setup Mode 43

3.1 Introduction 43

3.2 Entering Setup Mode 43

3.3 Names for Setup Mode Features 43

3.4 Using the Setup Features 43

3.4.1

3.4.2

3.4.3

3.4.4

3.4.5

3.4.6

3.4.7

3.4.8

3.4.9

3.4.10

3.4.11

3.4.12

2W

Setup 43

2W/4W
4W
AUTO LISTEN
AUTO T ALK
BILAT SELECT

Setup 43

Setup 44

Setup 44

Setup 44

Setup 44

BUFFER RECALL
BUTTON LOCK
CALL DISABLE

CALLER ID

Setup 46

CHIME SELECT
EXT CONTACT

Setup 46

Setup 45
Setup 45
Setup 46

Setup 46

3

3.4.13 G-RST (Global Reset) 46

3.4.14

3.4.15

3.4.16

3.4.17

3.4.18LSetup 47

3.4.19

3.4.20

3.4.21

3.4.22 MICS OFF 48

3.4.23

3.4.24

3.4.25

3.4.26

3.4.27

3.4.28

3.4.29

3.4.30

3.4.31

3.4.32

3.4.33

3.4.34

3.4.35

3.4.36

3.4.37

3.4.38

IHM

(Internal Headset Microphone) Setup 47

INSTANT MIC
IPM

Setup 47

ISO/4W

LATCH DISABLE
LOCAL IFB
MIC SELECT

NL

Setup 48

P1 and P2
PRE 1
PRESET EXCLUDE
PRESETS
R

(Right Headphone) Setup 49

RELAY 1
SP/L/R
SPECIAL PURPOSE
SPK

(Speaker) Setup 49

Setup 47

Setup 47

Setup 47

Setup 47

Setup 48

Setup 48

through

(Speaker Left/Right Select) Setup 49

PRE 6

Setup 48

through

Setup 48

Setup 48

RELAY 6

Setup 49

TALK TURNS OFF LISTEN
TALK TURNS ON LISTEN
TOT AL MUTE
VOX ENABLE
XHM

(External Headset Microphone) Setup 50

XPM

(External Panel Microphone) Setup 50

Setup 50

Setup 50

5.3 Headset or Panel Mic/Speaker Selection 53

5.4 Talking to an Intercom Channel 53

5.5 Listening to an Intercom Channel 53

5.6 Program Listen 53

5.7 Receiving Call Signals 53

5.8 Sending Call Signals 54

5.9 Using MICS OFF to Deactivate
Microphones on an Intercom Channel 54

5.10 Telephone Dialing with the Keypad 54

5.11 ISO Operation 54

5.11.1 ISO Operation in VCP Emulate Mode 54

5.11.2 ISO Operation using an External VCP Panel 55

5.12 IFB and SA (Stage Announce) Operation 55

5.12.1 Model 4001 or 4002 IFB Panel Emulation 55

5.12.2 Local IFB 55

6 Index 57

Setup 49

Setup 49

Setup 50

4 Adjustments 51

4.1 Back Panel Adjustments 51

4.1.1 Microphone Level Adjustments 51

4.1.2 ISO (Channel 15) Adjustments 51

4.1.3 USMB (Unswitched Microphone Balanced)
Output Level Adjustment 51

4.2 Front Panel Adjustments 51

4.2.1 VOXPM / VOX HM Adjustment 51

4.2.2 PGM1 / PGM2 Adjustment 51

4.2.3 LAMP DIM Adjustment 51

4.2.4 Null Adjustment 51

4.2.5 Sidetone Adjustment 52

5 Intercom Operation 53

5.1 Initial Volume Adjustment 53

5.2 Momentary vs Latching Button Operation 53

4

1 Description and Specifications

1.1 General Description

The RTS Model 803 Master Intercom Station is an up­dated replacement to the popular Model 802. By employ­ing many of the technological breakthroughs that have
occurred since the design of the 802, RTS has been able
to integrate into the 803 the complete circuitry for all 802
base features and options except squawk. For example,
call signaling is now standard on all twelve intercom chan­nels. For applications requiring 4-wire operation, IFB
panel emulation or ISO panel emulation the circuitry is al­ready there; you simply install an option cable to the back
panel, set one or two internal DIP switches (IFB and ISO
emulate only) and you're ready to go. For all other applica­tions, everything you need is "in the box".

In terms of form, fit and function the 803 can directly re­place the 802 with the following exceptions: 1) squawk is
not supported on the 803; 2) many users do not require a
front panel gooseneck microphone, so that is now sup­plied as a separate plug-in style microphone (unlike the
802 microphone which was permanently mounted); 3) the
803 includes built-in DC blocking for the intercom chan­nels, so when connecting to powered intercom channels
that were previously connected to an 802, the external iso­lation capacitors are no longer required and may have to
be removed for best audio performance; 4) although sel­dom done in practice, the 802 could be DC powered; the
803 cannot.

In addition to it's role as a product replacement for the
802, the 803 also adds several new features in response to
the increasing communication needs of a variety of users.
Following is a general description of 803 features. Ex­panded descriptions of these features, a detailed compari­son and contrast with the 802, and a list of specifications
may be found on the following pages.

1.1.1 General 803 Features

♦ Audio Inputs and Outputs: 12 intercom channels

(channels1-12); 3 auxiliary channels (channels13-

15); 2 program inputs; 2 headsetdynamic-mic inputs
and headphone outputs; 2 headset carbon-micinputs
and headphone outputs; 2 electret panel mic inputs;1
built-inspeaker and 1 switched speaker output;1 un­switched,balanced mic output (hot mic).

♦ Three Operating Modes: 1) normal operation, where

front panel controls are used for intercommunications

2) setup mode, where front panel buttons access the
user-programmable setup features; 3) DTMF mode,
where the keypad is used for telephone dialing on a
selected intercom channel.

♦ Audio Input Control: Complete control of audio mix

for all audio inputs via a combination of user con­trols, setup trimmers and the RS232/RS485 port. All
audio inputs are assignable, via setup mode, to left
headphone, right headphone, speaker, or any combi­nation.

♦ Two-Wire and Four-Wire Operation: two-wire opera-

tion (with or without nulling) or four-wire operation
independently selectable for each intercom channel
via front panel setup mode; two-wire operation is
standard (balanced or unbalanced); four-wire inter­com channel operation requires an optional 50-pin
connector); auxiliary channels 13 & 14 are four-wire
only; auxiliary channel 15 is two-wire only. All chan­nels (intercom and auxiliary) support simultaneous
two-way communication (full duplex).

♦ ISO Operation: Compatible with RTS VIE-306 Video

ISO System; interfaces with external RTS VCP-6 or
VCP-12 ISO Panels, or emulates these panels inter­nally (requires one optional 50-pin connector for
VCP-6 emulation; two for VCP-12 emulation).

♦ IFB Operation: Compatible with RTS Model 4000

IFB System; interfaces with external RTS Model
4001 or 4002 IFB panels, or emulates these panels in­ternally (requires one optional 50-pin connector for
Model 4001 emulation; two for Model 4002 emula­tion). Also supports "local IFB", where any channel
may be configured as a stand-alone IFB.

♦ User-Programmable Setup Features: A varietyof pro-

grammable features allow the user to customize, sim­plify, and "automate" communication tasks. (Features
list includes original 802 features plus new features.)

♦ Control Signals: Call send and receive (compatible

with TW intercom system), with 3 chime tones (or no
chime) selectable for call send; talk-off send (compat­ible with RTS TW intercom system); global reset
send (compatible with RTSVIE-306 Video ISO Sys­tem); DTMF send (for touch-tone dialing).

♦ Control Inputs and Outputs: 6 DPDT relay outputs

and 1 external switch contact input, all assignable via
the front panel setup-mode; 12 dedicated, open-col­lector keying outputs (one for each intercom chan­nel); 1 RS232/RS485 port for remote control,
programming, and monitoring.

Note: control signals are applicable to the 12 intercom
channels only, and not to the 3 auxiliary channels.

5

1.1.2 803 Controls, Indicators, Connectors

1.1.2.4 Back Panel,Controls

1.1.2.1 Front Panel,User Controls

♦ 1 Master volume control.
♦ 1 Program master volume control.
♦ 12 intercom channel level controls.
♦ 16-button keypad with backlit, user-replaceable la-

1

bels

; the keypad operates in normal, setup and
DTMF modes; normal and DTMF mode labeling is
printed on the button labels in normal text; setup
mode functions are printed on the button labels or on
the front panel next to the buttons in italics; the left­most twelve buttons contain standard telephone key­pad nomenclature in standard layout (letter
designations excluded).

♦ 12 conference talk/listen button pairs with backlit,

user-replaceable labels; buttons operate in normal
and setup modes; normal-mode intercom functions
are identified on the labels in normal text; setup
mode functions are printed in italics on the front
panel above the buttons.

1.1.2.2 Front Panel Trimmers

Trimmers are recessed and adjustableusing a number 0
flat-blade jeweler's screwdriver or equivalent.

Key code switch (selects 1-digit passcode for front-panel
access to setup mode, or no passcode, or locks out setup
mode).

1.1.2.5 Back Panel,Standard Connectors

♦ RS232/RS485.
♦ Ancillary.
♦ Relay/switch/ISO.
♦ Headset/microphone/program/hot mic.
♦ 2-wire intercom channels.

1.1.2.6 Back Panel,Optional Connectors

♦ IFB 1: used for Model 4001 emulate, or 4002 emu-

late when used with IFB 2 connector.

♦ ISO 1: used for Model VCP-6 emulate, or VCP-12

emulate when used with ISO 2 connector.

♦ IFB 2 / ISO 2: used with IFB1 or ISO1 connector

(but not both) for Model 4002 IFB Panel or VCP-12
ISO Panel emulation.

♦ 4-wire intercom channels.

♦ Panel mic VOX threshold adjustment.
♦ Dynamic-mic and carbon-mic headset VOX threshold

adjustment.

♦ Program 1 input level.
♦ Program 2 input level.
♦ Sidetone level.
♦ Master lamp brightness.
♦ Null adjustment: one trimmer for each intercom channel.

1.1.2.3 Front Panel,Connectors

♦ Carbon-mic headset.
♦ Electret gooseneck mic.
♦ Dynamic-mic headset (5-pin stereo standard, 4-pin

mono or 6-pin stereo w/mic switch input optional ).

1.1.2.7 Back Panel Trimmers

Trimmers are recessed and adjustableusing a number 0
flat-blade jeweler's screwdriver or equivalent.

♦ Front panel headset mic gain (adjusts both carbon

and dynamic).

♦ Front panel gooseneck microphone gain.
♦ External headset-mic gain.
♦ External electret-mic gain.
♦ ISO (channel 15) receive level.
♦ ISO (channel 15) null adjustment.
♦ Hot mic output level.

1 Button labels are printed black on clear acetate.

6

1.1.2.8 Internal DIP Switches and Jumpers

1.1.3 Setup Mode Description

Note: Access to DIP switches and jumpers requires top
cover removal.

DIP switches

♦ IFB1 and IFB 2 select: enable the back panel IFB

emulation connectors and allocate front panel buttons
for IFB Panel emulation. Default: disabled.

♦ ISO 1 and ISO 2 select: enable the back panel ISO

emulation connectors and allocate front panel buttons
for ISO Panel emulation. Default: disabled.

♦ Number of active presets: selects whether multiple

presets may be activated at once, or only one at a
time. Default: multiple presets may be activated.

♦ Exclusive listen enable: when this feature isdisabled,

activating a talk button has no effect on the listen but­tons; when this feature is enabled, activating a talk
button automatically turns off all active listen buttons
for all other channels except that channel. Default: ex­clusive listen disabled.

♦ Power-up reset option (warm or cold reset). See "Re-

setting the 803", page 19 for details. Default: warm
reset at power-up.

♦ Call light time-out select: selects 20 seconds or 20

minutes for time out of flashing button indication for
incoming calls. Default: 20 seconds.

♦ Number of active intercom channels: selects channels

1-6 active or channels 1-12 active. Default: all 12 in­tercom channels active.

1.1.3.1 Names for Setup Mode Features

Names for setup mode features are printed in italics on
the front panel as follows:

Setup Mode Features for Talk Buttons: Setup mode fea­tures that are accessed using the talk buttons are printed at
the very top of the front panel. For example, access BUT­TON LOCK by pressing the TALK 1 button during setup
mode.

Setup Mode Features for Listen Buttons: Setup mode fea­tures that are accessed using the listen buttons are printed
just below the setup mode features for the talk buttons.
For example, access RELAY 1 by pressing the LISTEN 1
button during setup mode.

Setup Mode Features for Keypad Buttons: Some names
for setup features are printed in italics next to the buttons.
Some are printed in italics on the buttons. For example,
access the LOCAL IFB feature by pressing button 2 dur­ing setup mode. Access presets by tapping any one of the
buttons labeled PRE 1 through PRE 6. Labels that are not
italicized are operating features and not setup mode fea­tures.

Note: some italicized labels are not setup mode features,
but are submenu items for use with a particular setup
mode feature.

1.1.3.2 Setup Mode Features

♦ 801 emulation: Default: 801 emulation disabled.
♦ Internal/external ISO select: internal is used when the

803 emulates a VCP panel; external is used when the
803 connects to an external VCP panel, or when ISO
is not used. Default: external.

♦ ISO listen disable: turn off all activeconference chan-

nel listen buttons during ISO: Default: off (listens not
disabled during ISO).

♦ ISO enable/disable: Default: disabled.
♦ IFB talk disable: turns off all active conference chan-

nel talk buttons during IFB. Default: off.

Jumpers

Separate jumpers set the "off" brightness for the keypad
buttons and for the talk/listen buttons. Available settings
are high, low and off.

2W/4W Setup

Each intercom channel may be set for two-wire operation,
four-wire operation, or both (not applicable to auxiliary chan­nels). For two-wire operation, nulling may also be optionally
turned on or off. Thus, theintercomchannels may be indi­vidually programmed to operate with a variety of inputs and
outputs. For example,two-wire operation won't work with a
typical two-way radio, which often requiresa four-wire, un­balanced connection. R TS "TW" belt packs and intercom
channels, of course, operatein two-wiremode, and nulling is
normally activa tedwhen connecting to TW devices.

Default setting: all channels set for two-wire operation
with nulling.

AUTO LISTEN Setup

Each listen button may be individually programmed for auto
listen. When auto listen is assigned to a channel, that chan­nel's listen button will automatically turn on when there is an
incoming call signal from another intercom station.

Default setting: auto listen is disabled for all channels.

7

AUTO TALK Setup

Each talk button can be individually programmed to auto­matically activate when an incoming call signal is re­ceived on its intercom channel. The microphone also
activates, so that the803 user can talk to the caller with­out having to press any buttons.

Default setting: auto talk disabled for all channels.

Default setting: caller ID is disabled on all intercom chan­nels.

CHIME SELECT Setup

Chime select lets you select one of 3 chime tones for in­coming call announcement on the intercom channels. The
currently selected tone always sounds at power-up or after
a reset.

BILAT SELECTSetup

If one or more of the auxiliary channels 13-15 are not be­ing used with the ISO and IFB options, these channels
may be assigned to front-panel buttons (usually unused
keypad buttons) for talk and listen activation.

Default setting: channels 13 through 15 unassigned.

BUFFER RECALL Setup

The 803 has an internal buffer which stores the current
status (on or off) for all 24 talk and listen buttons. The
contents of this buffer can be recalled and stored in any
one of the 6 presets (the PRE 1 through PRE 6 buttons on
the keypad). You can then activate that preset button at
any time during normal operation to recall the saved talk
and listen button settings.

Default setting: N/A

BUTTON LOCK Setup

This feature locks selected talk and listen buttons in the
on or off position. You must also use this feature to unlock
buttons.

Default setting: all buttons unlocked.

CALL DISABLE Setup

Default setting: a single high-low tone

EXT CONTACT Setup

This feature lets you activate any one button on the front
panel (except CALL & SETUP) using an external switch.
You can also activate a group of buttons by assigning
those buttons to a preset and then activating the preset
with the external switch.

Default setting: the external switch activates the MIC ON
button on the keypad.

INSTANT MIC Setup

In order to talk to an intercom channel, both the MIC ON
button and the talk button for that channel must be on. In
some cases it may be convenient to have both of these acti­vate when the talk button is pressed. This is referred to as
"instant mic".

Default setting: instant mic is disabled for all channels.

LATCH DISABLE Setup

Most front panel buttons can operate in both momentary
and latching mode. You may not want certain buttonsto
have the ability to latch (for example, a button that talks
to a radio transmitter). You can disable latching for these
buttons.

This feature disables or enables call signal reception on se­lected intercom channels. When call signal reception is
disabled on a channel, there will be no chime tone or but­ton flash to indicate an incoming call. Outgoing call sig­nals are not affected.

Default setting: call reception enabled for all intercom
channels.

CALLER ID Setup

Caller ID causes the listen button for an intercom channel
to flicker when audio is being received on that channel.
This provides a visual cue of which channel is talking.
You can set caller ID to provide this indication when the
listen button is on and/or off.

Default setting: latching operation enabled for all buttons
that support latching.

LOCAL IFB Setup

Any of the intercom channels 1-12 can beconverted into
a local IFB channel. (Not applicable to channels 13-15). A
local IFB channel normally sends a program feed to a re­mote listener. By pressing the talk button for the local IFB
channel, the 803 station operator can interrupt the pro­gram feed and then talk to the remote listener. The pro­gram source for a local IFB channel can be either of the
program 1 or 2 inputs, or the listen input for that channel.

Default setting: local IFB is off for all channels.

8

MIC SELECT Setup

This feature selects which microphone inputs areacti­vated by the PANEL ON button in both the on and off po­sitions.

Default setting: the PANEL ON button selects the front
panel gooseneck microphone in the on position and the
front panel headset microphone (either carbon or dy­namic) in the off position.

PRESET EXCLUDE Setup

Selected talk and listen buttons may be excluded so that
they cannot be assigned for activation using the preset but­tons.

Default setting: talk turns off listen is deactivated for all
channels.

TALK TURNS ON LISTEN Setup

You can set the talk button for any channel so that activat­ing that talk button will automatically turn on the listen
button.

Default setting: talk turns on listen is deactivated for all
channels.

TOTAL MUTE Setup

Total mute lets you turn off all talk and listen buttons by
tapping a single button.

Default setting: no talk or listen buttons are excluded
from assignment to presets.

PRESETS Setup

Any combination of talk and listen buttons may be as­signed for activation by any one of the 6 preset buttons.

Default setting: no presets setup.

RELAY Setup

Any of the 6 built-in relays may be assigned for activation
by selected front panel buttons.

Default setting: no relays assigned.

SP/L/R (Speaker Left/Right Select) Setup

Each audio input can be directed to the speaker, the left
headphone, the right headphone, or any combination of
the three.

Default setting: all audio inputs are assigned to the
speaker and to both the right and left headphones.

SPECIAL PURPOSE Setup

This feature is only available for special-order products.

TALK TURNS OFF LISTEN Setup

Occasionally, activating a talk button while the listen but­ton is on may cause feedback, echo or other undesirable
sounds. This may only happen on selected channels, or it
may happen on all channels in certain environments or
with certain audio sources. You can eliminate this prob­lem by setting selected listen buttons to automatically turn
off while their associated talk buttons are on.

Default setting: no total mute button assigned.

VOXENABLESetup

The 803 can be set for voice-activated microphone. When
this feature is enabled the microphone will remain off
when you are not speaking into it. When you do speak,
the microphone will turn on, and your voice will be trans­mitted on any channels that have talk buttons activated.

Default setting: vox disabled.

1.1.4 803 Compatibility with RTS Video ISO Sys­tem

The 803 can be connected to an external VCP-6 or VCP­12 Video ISOPanel. For external ISO, button activation at
the VCP panel causes deactivation of all conferencechan­nel talk buttons at the 803 (listen button deactivation may
also be setup via an internal 803 DIP switch), and the 803
mic audio is automatically routed to the VCP system.

The 803 can also emulate a VCP-6 or VCP-12 ISO Panel.
VCP-6 emulation requires installation of an optional 50­pin cable and resetting internal DIP switches. VCP-6 emu­lation takes over 3 intercom channels (and their talk and
listen buttons) and auxiliary channel 15. VCP-6 emulation
can be installed along with Model 4001 IFB panel emula­tion. VCP-12 emulation is similar to VCP-6 emulation,
but requires installation of two 50-pin option cables. VCP­12 emulation takes over 6 intercom channels and auxil­iary channel 15. Also, IFB panel emulation is not possible
when VCP-12 panel emulation is installed. (However, lo­cal IFB is still possible on any unused intercom channels.)

9

1.1.5 803 Compatibility with RTS Model 4000
IFB System and Local IFB

1.1.6 Comparison of 803 and 802

1.1.6.1 Retained Features

The 803 can be connected to an external 4001 or 4002
IFB Panel. For external IFB, button activation at the IFB
panel causes deactivation of all conference channel talk
buttons at the 803, and the 803 mic audio is automatically
routed to the IFB system.

The 803 can also emulate a 4001 or 4002 IFB Panel.
Model 4001 IFB Panel emulation requires installation of
an optional 50-pin cable and resetting internal DIP
switches. Model 4001 emulation takes over 3 intercom
channels (and their talk and listen buttons) and auxiliary
channel 13. Model 4001 emulation can be installed along
with VCP-6 ISO Panelemulation. Model 4002 IFBPanel
emulation is similar to Model 4001 emulation, but re­quires installation of two 50-pin option cables. Model
4002 emulation takes over 6 intercom channels and auxil­iary channels 13 and 14. Also, VCP emulation isnot possi­ble when Model 4002 emulation is installed. However,
external ISO is still possible.

Any intercom channel that is not being used for intercom­munication or IFB/ISO panel emulation may be config­ured as a local IFB channel. This channel can be set to
normally monitor a program input at either the program 1
or 2 input. Or, if the local IFB channel is operated in 4­wire mode, the listen input may be used as the program
source. Pressing the talk button for that channel discon­nects the program input and causes the 803 operator's
voice to be heard at the IFB output.

Presets Total Mute
Relays Chime Select
Latch Disable Auto Listen
Preset Exclude Auto Talk
Special Purpose External Contact
Button Lock Talk Turns On Listen
Instant Mic Talk Turns Off Listen
Bilat Select

1.1.6.2 New Features & Changes

Model803 Model802

Depth 10" 14.25"
Weight 10 lb. 18 lb.
Std. Channels 12 6
Internal Jumpers 2 Many
Technology Surface-mount Through-hole
Indicators LED Incandescent lamp
Hot Mic Output Adj. to +26dBm Fixedat 0 dBm
Outputs Active balanced Transformer balanced
Listen Controls Front panel Adjustment board
Null Adjustment Front panel Adjustment board
Lamp DimAdjust Frontpanel Adjustment board
VO XAdjust Front panel N/A
Local IFB Yes Onlywith 862
Local IFB Pgm Adj Front panel None
DTMF Generator Yes No
Talk Off Signaling Yes No
Call Light Standard Optional
2W/4W Select Via software Via hardware
Listen Output Config Via software Via hardware
Headset Connector Optional 4-, 5-, or 6-pin 5/6-pin female
Auxiliary Connections 2) DB25 connectors Terminal strip
Program lockout Via software Via hardware
CPU Watchdog Yes No
Circuit Cards 3 Up to 14
Listen Activity Ind. 12 channels None
Mic inputs & levels Software adjustable Fixed
Panel Mic Removable Non-removable
Warm/Cold Start Front panel Adjustment board
Multi Listen Dim Yes No
Presets 6 4
Squawk No Optional

10

1.2 Specifications

1.2.1 803 Master Station

Inputs

Dynamic Microphone

Source Impedance: 50 to 1000 ohms
Level: -55 dBu to -25 dBu

Carbon Microphone

Level: -15 dBu nominal
Excitation: 10 milliamperes

Four-Wire Receive Level

-20 dBu to 0 dBu into 40 kilohms

Program Input Level

0 dBu to +10 dBu into 40 kilohms

Outputs

Headphone Level

40 mW peak into 25 ohms

62.5 mW peak into 100 ohms
81 mW peak into 1000 ohms

Speaker Level

6 W peak power into 4 ohms

Unswitched Balanced Mic Out (Hot mic)

Adjustable to +25 dBm peak

Current Source Line Driver

Current: 10 mA pp nominal
Two Wire Level: 2 Vpp @ 200 ohms
Four Wire Level:6 Vpp @ 600 ohms

Relays

Bellcore surge withstand: 2.5 kV
Agency Approvals: UL,CSA,FCC Part 68
Contact Typeand Ratings

Type: SPDT (wired DPDT in parallel)
Maximum resistive current: 2 A
Maximum operating voltage:125 VAC, 110 VDC
Maximum switching capacity: 62.5 VA, 60 W
Minimum load:10 uA, 10 mVDC
Rated load, resistive: 0.5A@125VAC;1 A@ 30 VDC

Coil Ratings

Power Consumption:140 mW
Dielectric Strength: 1000 VAC

Key Outputs

0.4 A, 50 VDC maximum

Operating Distance

1 mile, nominal

RS232/RS485 Data

Baud rate: 2400 baud*
Data bits: 8

Stop bits: 1
Parity: none
Handshaking: none
* Initial connection at 2400 baud required. After connect-

ing the 803 may be set to 300, 600, 1200, 2400, 4800,
or 9600 baud.

Environmental

Ambient Temperature

Storage: -40°C to +85°C
Operating: 0°C to 50°C

Relative Humidity

10% to 90% Non-condensing

Mechanical

Color, Front Panel:Gray, Federal Standard 595A Color

#26492
Weight:10 lb.
Dimensions (Excluding connectors and panel mic)

Height: 3.5" (89 mm) high
Width: 19.0" (483 mm)
Depth: 10.0" (254 mm)

Electrical

Power, Nominal:43VA
Supplies

+5 VDC, 3 A
+15 VDC, 1.6 A

-15VDC, 0.3A

1.2.2 External Power Supply
General

Type: Model UP30431 Power Supply Specifications (Uni-

versal Input, Switching Type Supply)
Efficiency: 75% min.
MTBF: 50,000 hours
EMI: Meets FCC Class "B" and VDE Class "B"
Safety Approvals: UL / CSA / TUV/ CE Safety Marks

Environmental

Ambient Temperature

Storage: -20°C to 85°C
Operating: 0°C to 40°C

Relative Humidity: 0% to 95% Non-Condensing

Cooling: Free air convection

Input

Input Voltage: 100 VAC to 250 VAC at IEC connector

11

Input Frequency: 47 Hz to 63 Hz
Inrush Current, Cold: 15 A @115 VAC, 30 A @230 VAC

Outputs

Power,Nominal: 43 VA
Supplies

+5 VDC,3A
+15 VDC, 1.6 A

-15 VDC, 0.3 A
Line regulation: +0.2%
Load regulation

+5 VDC: +/-3%
+15 VDC: +/-5%

-15 VDC: +/-10%
Ripple & Noise, 20 MHz BW: 1% max
Hold-up Time: 20 ms
Overvoltage Protection at main rated output: +15%
Overcurrent Protection: +150% load

Mechanical

Weight: 2 lb. (0.9 kg)
Length: 6.08" (154.4 mm)
Width: 3.33" (84.5 mm)
Height: 1.97" (50.0 mm)
Output Cord Length: 4 ft (1.2 m)
Output Connector: 5 pin DIN, male
Output Connections: pin l, return; pin 2, return, pin 3, +5

VDC; pin 4, -12 VDC; pin 5, +12 VDC

12

2 Installation

2.1 Unpacking

The package contents vary depending on what options are
included. Refer to Table 1 for the items included with
your 803. If anything appears missing or damaged,con­tact your dealer.

If your 803 includes option cables, proceed to "Option Ca­ble Installation" on the next page. Otherwise, skip to "DIP
Switch Settings", page 16.

4-wire option cable Button insert sheet

ISO 1 / IFB 1 option cable

MICONMICONSPKRONSPKRONSPKRONPANE L

MIC

ON

STA

STA

2

1

STA17STA18STA19STA20STA21STA22STA23STA

IFB

IFB

2

1

IFB

IFB

2

1

ISO

ISO

2

1

ISO

ISO

2

1

STA

STA

2

1

CONF

CONF

CONF

2

1

CONF

CONF

CONF

2

1

TALK

TALK

TALK

CONF

CONF

CONF

2

1

LISTEN

LISTEN

LISTEN

CONF

CONF

CONF

2

1

TALK

TALK

TALK

MIC

STA

STA

STA

STA

STA

3

4

5

6

7

IFB

IFB6IFB7IFB8IFB9IFB10IFB11IFB12IFB

IFB

IFB

5

4

3

IFB

SA IFB

IFB

IFB

ISO

ISO

STA

ALL

4

3

ISO

ISO

5

4

3

ISO

ISO

5

4

3

STA

STA

3

4

5

CONF

CONF

5

4

3

CONF

CONF

5

4

3

TALK

TALK

CONF

CONF

5

4

3

LISTEN

LISTEN

CONF

CONF

5

4

3

TALK

TALK

IFB

1

LOCAL

ISO

RESET

6

ISO6ISO7ISO8ISO9ISO10ISO11ISO

STA

STA

6

7

CONF

CONF

7

6

CONF

CONF

7

6

TALK

TALK

CONF

CONF

7

6

LISTEN

LISTEN

CONF

CONF

2

1

LISTEN

LISTEN

PANE L

MIC

STA

8

24

IFB

2

GLOBAL
RESET

STA

8

CONF

1

8

CONF

1

8

TALK
CONF

1

8

LISTEN

CONF

3

LISTEN

ISO 2 / IFB 2 option cable

Figure 1. Option components

PRE1PRE2PRE3PRE

PANE L

MIC

STA

STA

9

10

CONF

ALL
TALK

TALK

IFB

3

PROD2

PROD1

TALK

TALK

STA

STA

9

10

CONF

CONF

9

CONF

CONF

9

TALK

TALK

CONF

CONF

9

LISTEN

LISTEN

CONF

CONF

4

LISTEN

LISTEN

STA

11

CONF

1

2

TALK

IFB5IFB6IFB4IFB

IFB

4

AUDIO
TALK

ALL
TALK

ALL
TALK

10

CONF

10

11
TALK
CONF

10

11
LISTEN
ALL
TALK

5

STA
12

CONF

1

LISTEN

LOGHTS

TALK

SPKR
MUTE

SLATE

MIC

CONF
TALK

CONF

LISTEN

IFB

1

4

STA

13

CONF

2

LISTEN

ALLSA1SA2SA3

7

ISO1
TALK

LOCAL
RESET

12

ISO1

LISTEN

IFB1

ISO

1

12

ISO

5

12

IFB

2

SET

SIGNAL

UP

STA

14

PGM

1

8

ISO2
TALK

PROD1

GLOBAL

LISTEN

RESET

ISO2

AUDIO

LISTEN

LISTEN

IFB2

ISO2ISO3ISO

ISO

GLOBAL

6

RESET

IFB

3

CALL

STA

15

PGM2PGM

ALL

SA1

IFB4IFB

TOTAL

MUTE

STA

16

SOUND

SA

SA

2

PROD2
LISTEN

LIGHTS
LISTEN

SA2

4

SA

ALL

Table 1. 803 Package contents for various option configurations

Description

803 Standard, No Options

803-C:4-Wire Option

803-C-G1:4-wire & IFB1 Options

803-C-G1G5:4-wire, IFB1 & IFB2 Options

803-C-G1-H1:4-wire, IFB1 & ISO1 Options

803-C-H1:4-wire & ISO1 Options

803-C-H1H5:4-wire, ISO1 & ISO2 Options

803-G1:IFB1 Option

803-G1G5:IFB1 & IFB2 Options

803-G1-H1:IFB1 & ISO1 Options

803-H1: ISO1 Option
803IntercomStation 111111111111
PowerSupply,100-250V,50-60Hz,1.2A 111111111111
803Manual 111111111111
Ribbon Cable Assy, 14-inch, with one 50-pin

connector to five10-pin connectors for ISO1
or IFB1

Ribbon Cable Assy, 17-inch, with one 50-pin
connector to five10-pin connectors for ISO2
or IFB2

Ribbon Cable Assy, 10-inch, 50-pin to 50-pin
for 4-wire option.

ButtonInsertSheet 1111111111

1121111211

1111

111111

803-H1H5: ISO1 & ISO2 Options

13

2.2 Option Cable Installation

2.2.3 4-Wire Option Cable Notes

2.2.1 General Information

The connector openings for the option cables are labeled
on the back panel as follows:

ISO 1 Connector: Used for VCP-6 and VCP-12 ISO Panel
Emulation; provides connections for ISO1 through ISO6.

IFB 1 Connector: Used for 4001 and 4002 IFB Panel
Emulation; provides connections for IFB1 through IFB4
and SA1 (Stage Announce 1)

IFB 2 / ISO 2 Connector: Can be used with the ISO1 con­nector for VCP-12 Panel Emulation (provides the ISO7
through ISO12 connections). Or, can be used with the
IFB1 connector for 4002 IFB Panel Emulation (provides
the IFB5 through IFB8 and SA2 connections)

2.2.2 Back Panel Connector Installation

1. Remove the 12 top cover screws and remove the cover.

2. Select thedesired connector opening in the back panel.
Remove the 3/16 jack screw and the phillips screw
that hold the mesh screen and white plastic cable re­taining clip in place.

3. Insert the 50-Pin"D" connector of the option cable into
the connector opening. The connector should be ori­ented the same way as the TWO WIRE LINE CON­NECTOR that is already installed.

4. Reinstallthe white plastic cable retaining clip and the
screws. Note that the "D" connector has threaded in­serts, so the hex nuts that were originally used are no
longer required.

5. Refer tothe following installation notes for each option
cable to complete the installation.

Connect the 4-wire cable to J55 on the main circuit board.
The red wire on the cable corresponds to pin 1 of J55.
Note: there are no internal DIP switches directly related to
the 4-wire option. You configureindividual channels to
operate in 4-wire mode via the front panel setup mode.
See "2W/4W Setup", page 43 for details.

2.2.4 IFB and ISO Option Cable Notes

2.2.4.1 General Notes

The priority and tally connectors are identified in Figure

2. Only one priority connector is used for each cable. It
determines who gets controlling access to IFB's and ISO's
when there is more than one IFB or ISO panel in the inter­com system. Priority 1 overrides all panels set to priority
2, 3, or 4; priority 2 overrides priority 3 and 4 etc. When
an IFB or ISO button is pressed at a panel which has a
higher priority, any lower priority panels will be discon­nected from that IFB or ISO until the buttonis released on
the higher priority panel. If the same IFB or ISO button is
activated on two panels with the same priority, both will
be able to talk to the IFB or ISO at the same time.

The tally connector is used in all cases. It distributes but­ton-pressed signals throughout the intercom system to no­tify all other IFB or ISO panels when any IFB or ISO
button has been pressed.

Important! The priority and tally connectors can be in­stalled backward if the correct location of pin 1 is not ob­served. Also, the connectors can be misaligned so that all
pins are not connected. Check carefully when installing.

Tally

Priority 4
(IFB Only)

4-Wire (J55)

Front Panel

IFB & ISO
(J325-J332)

Figure 3. Locations of option cable connectors on
the main circuit board

Priority 3

3M NO.3564

Priority 2

Priority 1

Pin 1 (Brown Wire)

All 10-Pin Connectors

Figure 2. Priority and tally connectors for IFB and
ISO option cables

14

When you install an IFB or ISO option cable and set the
internal DIP switches as noted in the following para­graphs, specific front panel buttons will be reserved for
the installed option. The button insert sheet provides
standard button labels for these reserved buttons. See
"Front Panel Button Inserts", page 17 for details.

2.2.4.2 IFB 1 Cable Notes

♦ Connect the desired priority connector to J325 on the

main circuit board. Connectthe tally connector to J326.

♦ Set DIP switch S1-3 (page 16 ) to the ON position*.

DIP switch S2-8 may optionally be set to the on posi­tion if you want all talk buttons to automatically shut
off whenever any IFB button is activated.

♦ When installing button inserts for IFB 1 (page 17)

note that different buttons are used, depending on
whether or not another IFB or ISO connector is in­stalled.

♦ Use a 50-pin cable to connect from the IFB 1 connec-

tor to a Model 4010 Central ElectronicsUnit. Typical
connections are shown in Figure 20, page 40. Refer
also to your Model 4010 Manual; if you are only us­ing the IFB 1 connector and not IFB 2, connections
are the same as for a Model 4001 Control Station.

2.2.4.3 IFB 2 Cable Notes

♦ The IFB 2 cable should only be installed in addition

to the IFB 1 cable. If you install and activate thisca­ble, do not install and activate any ISO option cables.

♦ Connect the desired priority connector to J327 on the

main board. Connect the tally connector to J328.

♦ Set DIP switch S1-4 (page 16 ) to the ON position to

activate the IFB 2 connector*. (You should already
have set DIP switch S1-3 to the on position to acti­vate the IFB 1 connector.)

2.2.5 ISO 1 Cable Notes

♦ Connect the desired priority connector to J329 on the

main circuit board. Connectthe tally connector to J330.

♦ Set DIP switches S2-4 and S2-6 (page 16 ) to the ON

position to activate and use this connector*. DIP
switch S2-5 may optionally be set to the ON position
if you want all conferencechannel listen buttons to
automatically shut off whenever any ISO button is ac­tivated (all conference channel talk buttons always
shut off during ISO).

♦ When installing button inserts for ISO 1 (page 17)

note that different buttons are reserved,depending on
whether or not another IFB or ISO connector is in­stalled.

♦ Use a 50-pin cable to connect from the ISO 1 connec-

tor to a Model VIE-306 Video ISO Electronics Unit.
Typical connections are shown in Figure 20, page 40.
Refer to your Model VIE-306 Manual for further in­formation. If you are only using the ISO 1 connector
and not ISO 2, connections are the same as for a
Model VCP-6.

2.2.5.1 ISO 2 Cable Notes

♦ The ISO 2 cable should only be installed in addition

to the ISO 1 cable. Also, if you install and activate
this cable, you cannot install and activate any IFB op­tion cables.

♦ Connect the desired priority connector to J331 on the

main board. Connect the tally connector to J332.

♦ Set DIP switch S1-4 to the on position to activate the

ISO 2 connector*. (You should already have set DIP
switches S2-4 and S2-6 to the on position to activate
the ISO 1 connector.)

♦ Install the button inserts (page 17).

♦ Install the button inserts (page 17).
♦ Typical system connections are shown in Figure 18,

page 38. Refer also to your Model 4010 Central Elec­tronics Manual. When using both the IFB 1 and IFB
2 connectors, connections are the same as for a
Model 4002 Control Station.

* Any time you change any of these DIP switch settings, you must perform a reset in order for them to take effect. All

previous setup mode programming will be erased during the reset.

♦ Typical system connections are shown in Figure 19,

page 39Refer to your Model VIE-306 Video ISO
Electronics Manual for connection information.
When using both the ISO 1 and ISO 2 connectors,
connections are the same as if you are connecting a
Model VCP-12 Control Station.

15

2.3 DIP Switch Settings

Table 3. DIP switch S2 settings

Unless you are using the 803 for IFB or ISO operations,
you will probably not need to change any of the DIP
switch settings. However, briefly review the tables below
and make any required or optional changes before pro­ceeding. Figure 4 showsthe locations of the DIP switches.
Access the switches by removing the 12 screws securing
the top cover.

Switches that are grayed-out in the tables require a reset
after changing, and will cause any setup-mode program­ming to be erased. All other switches do not require any
reset. See "Resetting the 803", page 19.

If you activate any of the DIP switches for the IFB or ISO
connectors on the back panel, change the front panel but­ton inserts as described on the next page. Otherwise, pro­ceed to "Setting the Key Code Switch", page 17.

Table 2. DIP switch S1 settings

Switch
No.

S1-1 Not used OFF
S1-2 Not used OFF

S1-3

S1-4

S1-5

S1-6

S1-7

S1-8 Not used OFF

Description

IFB enable for Model 4001/ 4002 emulate

No: OFF

Yes: ON
Note: 4001 / 4002 Emulation uses the
IFB1 / IFB2 connectorson the back panel.

Back Panel IFB / ISO connector
configuration:

Only IFB 1 and / or ISO 1 installed:OFF
IFB 1 & 2 or ISO 1 & 2 installed:ON

Number of presets (PRE 1 through PRE 6)
that can be activatedat the same time:

All may be activated at same time:OFF

Only one at a time: ON
Note: Each of the preset buttons (PRE1
through PRE6 on the keypad) can be
assigned to simultaneously activate
various combinations of front panel
buttons.See "Presets Setup", page 48.

Exclusive listen with talk

Talk does not turn off listens:OFF

Talk does turn off listens: ON
Note, when S1-6 is on:if a talk button is
pressed, all listen buttons except the one
associated with that talk button will turn off
until talk is released.However, listen
buttons may be manually reactivated
while a talk button is on.

Power-up reset options

Warm reset:OFF

Cold reset: ON
Note: see "Resetting the 803", page 19.

Default
Setting

OFF

OFF

OFF

OFF

OFF

Switch
No.

S2-1

S2-2

S2-3

S2-4

S2-5

S2-6

S2-7 Not used OFF

S2-8

Description
Call light time out select:

20 seconds:OFF

20 minutes: ON
Note: Call light time out determines how
long front panel listenbuttons will flash
after receiving an incoming call.

Number of active intercom channels

12: ON

6: OFF
Note: If S2-2 is set to off, the talk and
listen 6-12 buttonswill not operate at all
for intercom usage. The IFB1, IFB2, ISO1
and ISO2 options do use some or all of
these buttons; however, the position of
S2-2 does not affect any of these options.

801 Emulation

No: OFF

Yes: ON

ISO type select:

External ISO: OFF

VCP Emulate: ON
Note:In VCP emulate mode some front
panel buttons are used for ISO control as
showninFigure7,page18.Inexternal
ISO mode,an external VCP6A orVCP12A
is used forISO selection and the 803
microphone is usedto talk to the selected
ISO.For both types of ISO, S2-6 must be
ON to activate S2-4.

Disable all active conference channel
listen buttons during ISO?

No: OFF

Yes: ON
Note: All conference channel talk buttons
are automatically disabled during ISO.

ISO enable

Disable: OFF

Enable:ON

Turn off all active conferencechannel talk
buttons during IFB?

No: OFF

Yes: ON
Note: this feature applies only for Model
4001/4002 IFB Panel emulation.

DIP Switch S1DIP Switch S2

Back Panel

Figure 4. Locations of DIP switches

Default
Setting

OFF

ON

OFF

OFF

OFF

OFF

OFF

16

2.4 LED "Off" Brightness Jumpers

There are 3 settings available for the"off" brightness of
the button LED's: off, low brightness and high brightness.
For most cases, the default setting will be satisfactory, and
the overall brightness of the lamps can be adjusted as
need via the front panel LAMP DIM trimmer.

J10, Talk/Listen
Button Off Brightness

J11 KeypadButton
Off Brightness

Back Panel

High Low Off

(Storage)

Figure 6. Locations of jumpers to select the "off"
brightness for the front panel buttons

2.6 Setting the Key Code Switch

KEY

The key code switch on the back panel con­trols access to the user-programmable setup
mode features. (The setup mode features are
described starting on page 43.) Key code
switch settings are as follows:

0: No access permitted (no one can program the 803)
1-9: User must enter this number before accessing
setup mode
A-F: No restrictions on access to setup mode (default)

Note: The key code switch has a stop at the 0 setting. Do
not attempt to rotate the switch through 0 to F.

To restrict access, select one of the settings 0 through 9.
Otherwise, leave the setting in the default position. If you
change the switch setting, the new setting will take place
immediately. Note that if you select the 0 position, you
will need to gain access to this switch if you ever need to
change any 803 programmable features.

CODE

5

4

6

3

2

1

0

F

E

C

D

7

8

9

A

B

2.5 Front Panel Button Inserts

The default setting for the front panel buttons is 12 confer­ence intercom lines, with one talk and listen button pair
for each line. This configuration applies to both 2-wire
and 4-wire conference lines. If ISO or IFB options are in­stalled, the front panel button configuration may be
changed by installing different inserts from the supplied
button insert sheet. Or, you can make your own custom in­serts. Figure 7 summarizes the button usage for the vari­ous option configurations.

Pry out lens along edge Reassembly

CONF

7

TALK

CONF

7

TALK

Button

White filter

Label

Clear Lens

Figure 5. Button insert replacement

17

DEFAULT CONFIGURATION

12 CONFERENCE LINES

(2-WIRE OR 4-WIRE)

CONF

1

TALK

CONF

1

LISTEN

CONF

2

TALK

CONF

2

LISTEN

CONF

3

TALK

CONF

3

LISTEN

CONF

4

TALK

CONF

4

LISTEN

CONF

5

TALK

CONF

5

LISTEN

CONF

6

TALK

CONF

6

LISTEN

CONF

7

TALK

CONF

7

LISTEN

CONF

8

TALK

CONF

8

LISTEN

CONF

9

TALK

CONF

9

LISTEN

CONF

10

TALK

CONF

10

LISTEN

CONF

11

TALK

CONF

11

LISTEN

CONF

12

TALK

CONF

12

LISTEN

IFB 1 CONNECTOR INSTALLED

9 CONFERENCE LINES;

REMAINING 6 BUTTONS EMULATE

A MODEL 4001 IFB PANEL

IFB 1 AND IFB 2

CONNECTORS INSTALLED

6 CONFERENCE LINES;

REMAINING 12 BUTTONS EMULATE

A MODEL 4002 IFB PANEL

ISO 1 CONNECTOR INSTALLED

9 CONFERENCE LINES;

REMAINING 6 BUTTONS EMULATE

A MODEL VCP-6 ISO PANEL

CONF

1

TALK

CONF

1

LISTEN

CONF

1

TALK

CONF

1

LISTEN

CONF

1

TALK

CONF

1

LISTEN

CONF

2

TALK

CONF

2

LISTEN

CONF

2

TALK

CONF

2

LISTEN

CONF

2

TALK

CONF

2

LISTEN

CONF

3

TALK

CONF

3

LISTEN

CONF

3

TALK

CONF

3

LISTEN

CONF

3

TALK

CONF

3

LISTEN

CONF

4

TALK

CONF

4

LISTEN

CONF

4

TALK

CONF

4

LISTEN

CONF

4

TALK

CONF

4

LISTEN

CONF

5

TALK

CONF

5

LISTEN

CONF

5

TALK

CONF

5

LISTEN

CONF

5

TALK

CONF

5

LISTEN

CONF

6

TALK

CONF

6

LISTEN

CONF

6

TALK

CONF

6

LISTEN

CONF

6

TALK

CONF

6

LISTEN

CONF

7

TALK

CONF

7

LISTEN

IFB

1

IFB

5

CONF

7

TALK

CONF

7

LISTEN

CONF

8

TALK

CONF

8

LISTEN

IFB

2

IFB

6

CONF

8

TALK

CONF

8

LISTEN

CONF

9

TALK

CONF

9

LISTEN

IFB

3

IFB

7

CONF

9

TALK

CONF

9

LISTEN

IFB

1

IFB

3

IFB

4

IFB

8

ISO

ISO

IFB

IFB

2

ALL

IFB

SA

4

1

SA

SA

1

2

IFB

ALL

ISO

ISO

ISO

2

3

ISO

5

6

1

4

ISO 1 AND ISO 2

CONNECTORS INSTALLED

6 CONFERENCE LINES;

REMAINING 12 BUTTONS EMULATE

A MODEL VCP-12 ISO PANEL

CONF

1

TALK

CONF

1

LISTEN

CONF

2

TALK

CONF

2

LISTEN

CONF

3

TALK

CONF

3

LISTEN

IFB 1 AND ISO 1

CONNECTORS INSTALLED

6 CONFERENCE LINES;

6 BUTTONS EMULATE

A MODEL 4001 IFB PANEL

CONF

1

TALK

CONF

1

LISTEN

CONF

2

TALK

CONF

2

LISTEN

CONF

3

TALK

CONF

3

LISTEN

6 BUTTONS EMULATE

A MODEL VCP-6 ISO PANEL

Figure 7. Button usage for various configurations of the 803

18

CONF

4

TALK

CONF

4

LISTEN

CONF

4

TALK

CONF

4

LISTEN

CONF

5

TALK

CONF

5

LISTEN

CONF

5

TALK

CONF

5

LISTEN

CONF

6

TALK

CONF

6

LISTEN

CONF

6

TALK

CONF

6

LISTEN

ISO

ISO

IFB

1

IFB

3

ISO

ISO

10

ISO

ISO

ISO

ISO

11

ISO

ISO

ISO

5

6

ISO

12

ISO

2

3

ISO

5

6

4

1

4

ISO

ISO

IFB

IFB

4

ISO

2

3

ISO

8

9

IFB

ALL

2

SA

1

1

7