Universal M-400 User manual

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Universal Radio, Inc.
6830 Ame[icana Pkwy.
Reynoldsburg, Ohio 4306 '
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UNIVERSAL M-400
Version 2
Owner's Manual
By
Digital Electronic Systems, Inc.
&
Universal Radio Research

FIRST EDITION
FIR8T PRINTING
V1.0 03/01/94
Copyright ©1994
Universal Radio Research
6830 Americana Pkwy.
Reynoldsburg, Ohio
Reproduction or publication of the contents in any manner
without the written permission of thepublisherisprohibited. No
liabilityisassumedwithrespectrotne use ofinformation herein.
Printed in the United States of America
iSfjN 1-S8212j-j9-S

TABLE OF CONTENTS
1.0 Introduction 1
2.0 Installation 1
Power Connection 1
Receiver Connection 2
Printer Connection 2
3.0 Functional Modes 3
4.0 Operating Mode Select 4
5.0 Indicators •...................•........................................................ 5
6.0 Display Methods 6
7.0 Baudot 8
8.0 ASCII 12
9.0 AUTOR (SITOR A &B) 13
10.0 FEC-A 14
11.0 SWED-ARQ 15
12.0 FAX 16
13.0 ACARS ................................................
•••.••.• •••..••• •.......•..••••18
14.0 Pager Modes 20
15.0 POCSAG 21
16.0 Super POCSAG 22
17.0 GOLAY 23
18.0 CTCSS (PL) 24
19.0 DCS 26
20.0 DTMF 28
21.0
Programming .......••.•.......................• ••.• •••......•.•••••••...•...••••• 29
Default Mode 30
Default Serail 30
Mute Timer 31
Memories - Generic ; 32
Memories - CTCSS 33
Memories - DCS 34
Memories - DTMF 35
Printer Port 35
22.0 Auxiliary Controls 36
23.0 Miscellaneous Notes 37
Appendix A
Appendix B
AppendixC
AppendixD
Appendix E
AppendixF
Appendix G
Appendix H
Appendix I
AppendixJ
DTMF Frequencies 38
Standard CTCSS Codes 38
Standard DCS Codes 38
Additional References 39
Specifications 40
Pager Tuning Level Setting 41
Receiver Conversion for Accurate PL &DCS 42
Semi-Conductor List 43
Limited Warranty 43
Schematic 44

1. INTRODUCTION You are
now the owner of the Universal M-400v2 Decoder. The M-400v2
features new modes and capabilities never affered in a "reader" befare.
Shortwave reception
modes include:
•Baudot
•ASCII
•
SITaR A & B
•FEC-A
•
SWED-ARQ
• FAX (ta printer port)
45, 50, 57, 75 and
100 baud.
75, 110 and
150 baud.
automatically selected by
AUTOR.
96 and 144 baud.
S,
Mand Llengths.
120 LPM 576 IOC
For the
VHF-UHF enthusiasts, the following capabilities are featured:
•
ACARS
·POCSAG
• GOLAY
• CTCSS (PL) Decoding
• DCS (DPL) Decoding
•
DTMF Decoding
Aviation
message/telemetry mode.
Digital
pager mode .
Digital
pager mode .
41 standard frequencies
104 standard codes
16 digits.
2. INSTALLATION
Reminder ..•
Before operating,
plug the powercord
into the M-400 ,
thenplugthepower
adapterintothewall.
This manual will start with installation and general features. Then shortwave
modes will be discussed. Next "scanner" modes and features will be
reviewed.Finally specialized
programming will be examined. Acareful
review of this manual is required to understand and operate this device.
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+ Important Note: Listenersare remindedthat the unauthorizedinterception
and/or divulgence of private, non-broadcast, commun ications may violate
federal and/or state laws.
The M-400 should be located in a convenient location close to your radio
receiver and / or scanner. Do not place the unit on top of, or
close to sourees
of heat such as radiators, heat ducts, etc. The Liquid Crystal Display (LCD)
screen on the
M-400 provides the best contrast and clearest display when
viewed perpendicularto the sloped front panel or from a level below this line.
Do not locate the
M-400 where it may be exposed to water or excessive
moisture.
IAI• POWER CONNECTION
... WARNING! Please read betare plugging unit into the wall ...
First, insertthe coaxial plug of the wall-mounted power adapter into the hole
of the rear panel of the
M·400 marked "11-14 VDC ". Then, plug the power
adapter into the 110 volt AC wal! outlet. Please do this to avoid electrical
shock and/or damage to the M-400 . Do NOT insert or remove the power
connector while the AC power adapter is plugged into the wal!. Do not use
extension
cords or any other type of extenders or adapters.
Un iversal M ·400 De coder
Page 1
Owner 's Manual