Datalogic Gryphon D130, Gryphon D230 User manual

GRYPHON™ Dx30/Mx30
Reference Manual
GRYPHON™ Dx30/Mx30
REFERENCE MANUAL
DATALOGIC S.p.A. Via Candini 2 40012 - Lippo di Calderara di Reno Bologna - Italy
Gryphon™ Dx30/Mx30
Ed.: 08/2006
This manual refers to software version 3.1.0 and later
ALL RIGHTS RESERVED Datalogic reserves the right to make modifications and improvements without prior notification.
Datalogic shall not be liable for technical or editorial errors or omissions contained herein, nor for incidental or consequential damages resulting from the use of this material.
Product names mentioned herein are for identification purposes only and may be trademarks and or registered trademarks of their respective companies.
© Datalogic S.p.A. 2006
Rev. A

CONTENTS

GENERAL VIEW ....................................................................................... viii
1 INTRODUCTION .......................................................................................... 1
2 INSTALLATION............................................................................................ 2
2.1 Gryphon™ Dx30 Interface Cable Connections .............................................2
2.2 OM-Gryphon™ Interface Cable Connections................................................ 3
2.3 RS232 Connection........................................................................................ 4
2.4 USB .............................................................................................................. 4
2.5 IBM USB POS............................................................................................... 5
2.6 WEDGE Connection .....................................................................................5
2.7 PEN Emulation Connection........................................................................... 7
2.8 Gryphon™ Mx30 Battery Maintenance ......................................................... 8
2.8.1 Battery Type.................................................................................................. 8
2.8.2 Battery Charging ........................................................................................... 8
2.8.3 Replacing Gryphon™ M Batteries................................................................. 9
3 GRYPHON™ MX30 SYSTEM AND NETWORK LAYOUTS........................ 11
3.1 Stand Alone Layouts................................................................................... 11
3.1.1 Single Reader Layout.................................................................................. 11
3.1.2 Multiple Reader Layout ............................................................................... 11
3.1.3 Multiple Stand Alone Layouts...................................................................... 12
3.2 Multidrop STAR-System™ Network Layouts............................................... 13
3.2.1 Host Master Layout..................................................................................... 13
4 CONFIGURATION...................................................................................... 14
4.1 Configuration Methods................................................................................ 14
4.1.1 Reading Configuration Barcodes ................................................................ 14
4.1.2 Using DL Sm@rtSet.................................................................................... 14
4.1.3 Copy Command .......................................................................................... 14
4.1.4 Sending Configuration Strings from Host .................................................... 15
4.2 Setup Procedures .......................................................................................15
4.3 Gryphon™ Dx30 Setup............................................................................... 16
4.4 Gryphon™ Mx30/OM-Gryphon™ Stand Alone Setup................................. 16
4.4.1 Using Multiple M-Series Readers With Same Cradle.................................. 18
4.4.2 Gryphon™ M/STAR-Modem™ in Stand Alone Mode ................................. 19
4.5 Gryphon™ M/STAR-System™ Setup ......................................................... 20
4.6 Interface Selection ......................................................................................22
4.7 USB Reader Configuration.......................................................................... 27
4.8 Changing Default Settings .......................................................................... 30
iii
RS232 PARAMETERS............................................................................... 31
Baud Rate................................................................................................... 32
Parity........................................................................................................... 33
Data Bits .....................................................................................................33
Stop Bits...................................................................................................... 34
Handshaking ............................................................................................... 34
Ack/Nack Protocol....................................................................................... 35
Fifo.............................................................................................................. 35
Inter-character Delay................................................................................... 36
Rx Timeout.................................................................................................. 36
Serial Trigger Lock...................................................................................... 37
USB PARAMETERS ..................................................................................38
Handshaking ............................................................................................... 39
Ack/Nack Protocol....................................................................................... 39
Fifo.............................................................................................................. 40
Inter-character Delay................................................................................... 40
Rx Timeout.................................................................................................. 41
Serial Trigger Lock...................................................................................... 41
Keyboard Nationality................................................................................... 42
Fifo.............................................................................................................. 43
Inter-character Delay................................................................................... 43
Inter-code Delay.......................................................................................... 44
Control Character Emulation....................................................................... 44
USB Keyboard Speed................................................................................. 45
iv
WEDGE PARAMETERS............................................................................. 46
Keyboard Nationality................................................................................... 47
Caps Lock................................................................................................... 48
Caps Lock Auto-Recognition (IBM AT compatible only)............................... 48
Num Lock.................................................................................................... 49
Inter-character Delay................................................................................... 49
Inter-code Delay.......................................................................................... 50
Keyboard Setting......................................................................................... 51
Control Character Emulation....................................................................... 53
PEN EMULATION ...................................................................................... 54
Operating Mode ..........................................................................................55
Minimum Output Pulse................................................................................ 56
Conversion to Code 39 and Code 128 ........................................................ 57
Overflow...................................................................................................... 58
Output Level................................................................................................ 58
Idle Level..................................................................................................... 59
Inter-Block Delay......................................................................................... 59
DATA FORMAT.......................................................................................... 60
Code Identifier............................................................................................. 63
Custom Code Identifier ............................................................................... 64
Header ........................................................................................................ 65
Terminator................................................................................................... 66
Special Keys ............................................................................................... 67
Field Adjustment .........................................................................................68
Field Adjustment Character......................................................................... 69
Code Length Tx .......................................................................................... 69
Character Replacement .............................................................................. 70
Address Stamping (Mx30 Series Only) ....................................................... 72
Address Delimiter (Mx30 Series Only) ........................................................ 72
POWER SAVE............................................................................................ 73
Scan Rate ................................................................................................... 74
Sleep State/USB Suspend.......................................................................... 74
Enter Sleep Timeout ................................................................................... 75
Standby....................................................................................................... 75
READING PARAMETERS.......................................................................... 76
Hand-Held Operation .................................................................................. 77
Stand Operation.......................................................................................... 77
Hardware Trigger Mode .............................................................................. 78
Trigger-off Timeout ..................................................................................... 78
Flash Mode ................................................................................................. 79
Reads per Cycle.......................................................................................... 79
Safety Time................................................................................................. 80
Beeper Intensity .......................................................................................... 80
Beeper Tone ............................................................................................... 81
Beeper Type ............................................................................................... 81
Beeper Length ............................................................................................ 81
PDF Decoding Recognition Intensity........................................................... 82
Good Read Spot Duration........................................................................... 82
Automatic Operation Aiming Light............................................................... 83
DECODING PARAMETERS....................................................................... 84
Ink Spread................................................................................................... 85
Overflow Control ......................................................................................... 85
Interdigit Control.......................................................................................... 86
Decoding Safety.......................................................................................... 86
Puzzle Solver™ .......................................................................................... 87
CODE SELECTION .................................................................................... 88
EAN/UPC Family ........................................................................................ 90
2/5 Family ................................................................................................... 97
Code 39 Family........................................................................................... 98
v
Code 128 Family....................................................................................... 100
Code 93 .................................................................................................... 101
Codabar Family......................................................................................... 102
MSI ........................................................................................................... 104
Plessey ..................................................................................................... 105
Telepen..................................................................................................... 106
Delta IBM .................................................................................................. 107
Code 11 .................................................................................................... 108
Code 16K.................................................................................................. 109
Code 49 .................................................................................................... 109
PDF417..................................................................................................... 110
RSS Codes ............................................................................................... 111
ADVANCED FORMATTING ..................................................................... 112
Concatenation........................................................................................... 113
Advanced Formatting................................................................................ 116
RADIO PARAMETERS............................................................................. 131
Radio Protocol Timeout............................................................................. 132
Power-Off Timeout.................................................................................... 132
Beeper Control for Radio Response ......................................................... 133
Battery Type.............................................................................................. 133
Single Store .............................................................................................. 134
5 REFERENCES ......................................................................................... 135
5.1 RS232 Parameters ................................................................................... 135
5.1.1 Handshaking ............................................................................................. 135
5.1.2 ACK/NACK Protocol ................................................................................. 136
5.1.3 FIFO.......................................................................................................... 137
5.1.4 RX Timeout ............................................................................................... 138
5.2 Pen Parameters ........................................................................................ 138
5.2.1 Minimum Output Pulse.............................................................................. 138
5.2.2 Conversion to Code 39 and Code 128 ...................................................... 138
5.2.3 Overflow.................................................................................................... 139
5.2.4 Output and Idle Levels .............................................................................. 139
5.2.5 Inter-Block Delay....................................................................................... 140
5.3 Data Format.............................................................................................. 140
5.3.1 Header/Terminator Selection .................................................................... 140
5.3.2 Define Special Key Sequence................................................................... 142
5.3.3 Address Stamping..................................................................................... 149
5.3.4 Address Delimiter...................................................................................... 149
5.4 Power Save............................................................................................... 150
5.4.1 Sleep State/USB Suspend........................................................................ 150
5.4.2 Enter Sleep Timeout ................................................................................. 150
5.4.3 Standby..................................................................................................... 150
5.5 Reading Parameters ................................................................................. 151
vi
5.5.1 Hardware Trigger Mode ............................................................................ 151
5.5.2 Trigger-Off Timeout................................................................................... 151
5.5.3 Reads per Cycle........................................................................................ 151
5.5.4 Safety Time............................................................................................... 152
5.5.5 Automatic Operation Aiming Light............................................................. 152
5.6 Decoding Parameters ............................................................................... 152
5.6.1 Ink-Spread ................................................................................................ 152
5.6.2 Overflow Control ....................................................................................... 152
5.6.3 Interdigit Control........................................................................................ 152
5.7 Radio Parameters (Mx30 Series Only)...................................................... 153
5.7.1 Radio Protocol Timeout............................................................................. 153
5.7.2 Power-Off Timeout.................................................................................... 153
5.7.3 Beeper Control for Radio Response ......................................................... 153
5.7.4 Single Store .............................................................................................. 154
5.8 Configuration Editing Commands.............................................................. 155
5.9 Configuration Copying Commands ........................................................... 156
5.9.1 Copy Gryphon Dx30 Series.................................................................... 156
5.9.2 Copy Gryphon Mx30 Series ................................................................... 157
5.9.3 Copy OM-Gryphon™ ................................................................................ 158
5.10 C-Gryphon™ Configuration....................................................................... 159
5.11 Default Parameters for POS Terminals..................................................... 160
6 TECHNICAL FEATURES......................................................................... 161
6.1 Gryphon Dx30........................................................................................... 161
6.2 Gryphon™ Mx30....................................................................................... 162
6.3 OM-Gryphon™ / C-Gryphon™.................................................................. 163
6.4 System and Radio Features...................................................................... 164
6.5 Status Indicators ....................................................................................... 164
6.6 Reading Diagrams .................................................................................... 166
A HOST CONFIGURATION STRINGS........................................................ 169
B CODE IDENTIFIER TABLE...................................................................... 182
C HEX AND NUMERIC TABLE ................................................................... 186
vii

GENERAL VIEW

GRYPHON™ Dx30/Mx30 SERIES READERS
Gryphon™ Mx30
Battery Cover
Gryphon™ Dx30
Cable Connector
viii
Trigger
LED
Reading Window
Figure A – Gryphon™ Dx30 and Mx30 Series Readers
Battery
Reconditioning Button
LEDs
Figure B – OM-GRYPHON™ and C-GRYPHON™

INTRODUCTION

1
1 INTRODUCTION
Datalogic has moved a step ahead in the concept of “instinctive reading. ”The new Gryphon™ reader series has been developed to provide optimised reading performance through excellent ergonomic design, a natural instinctive reading approach and innovative good reading feedback.
The “INSTINCTIVE READING DISTANCE,” a concept introduced by Datalogic a few years ago based on in-depth ergonomic studies, represents the natural position of the user while reading a code. The Gryphon™ series takes this concept one step further. The series includes two tethered (D130 and D230) and two cordless (M130 and M230) models, allowing operations anywhere mobility is required at the desk/POS and around the shop floor, as well as in a small warehouse. The new “green spot,” (Datalogic patent application) produced by the Gryphon™ provides “good reading” feedback directly on the code, where the user usually tends to be looking. Correct pointing becomes quick and easy thanks to the sharp and bright illumination line. All these characteristics are coupled with outstanding performance in terms of reading quickness and decoding capability thanks to state-of-the-art optics and a decode rate of 270 scans/sec, making the Gryphon™ very user friendly, intuitive and fast.
Specially optimised optics allow reading of the most popular standard codes with superior depths of field from near contact to over 30 cm. High resolution codes, which can reach 3 mils are also easily read. Two specific models of the Gryphon™ series (D230 and M230) have also been designed to provide decoding of the PDF417, as well as traditional barcodes. The Gryphon™ reader series is paving the road for innovative barcode reading.
1
2
GRYPHON™ Dx30/Mx30
2 INSTALLATION
Connections should always be made with power OFF!
CAUTION

2.1 GRYPHON™ DX30 INTERFACE CABLE CONNECTIONS

The Gryphon™ Dx30 reader incorporates a multi-standard interface which can be
nnected to a Host by plugging the correct interface cable into the connector as shown
co
elow.
b
To disconnect the cable, insert a paper clip or other similar object into the slot on the reader battery cover while unplugging the cable from the Gryphon™ Dx30 body.
Connections should always be made with power OFF!
CAUTION
2
INSTALLATION
2

2.2 OM-GRYPHON™ INTERFACE CABLE CONNECTIONS

Interface Cable
erPow
OM-GRYPHON™ Connectors
The OM-GRYPHON™ incorporates a multi-standard interface which can be connected to a Host by simply plugging the correct interface cable into the Host connector, placed on the base of the cradle. In addition the cradle must be connected to an external power supply.
To disconnect the cable, insert a paper clip or other similar object into the hole corresponding to the Host connector on the body of the cradle.
Push down on the clip while unplugging the cable.
Disconnecting the OM-GRYPHON™ Cable
3
2
2.3 RS232 CONNECTION
GRYPHON™ Dx30/Mx30
2.4 USB
(if required)
4
INSTALLATION

2.5 IBM USB POS

2
2.6 WEDGE CONNECTION
5
2
GRYPHON™ Dx30/Mx30
6
INSTALLATION

2.7 PEN EMULATION CONNECTION

2
7
2
GRYPHON™ Dx30/Mx30

2.8 GRYPHON™ MX30 BATTERY MAINTENANCE

2.8.1 Battery Type
You can install NiMh, NiCd or Alkaline AA batteries in the Gryphon™ Mx30.
2.8.2 Battery Charging
Once the system is connected and powered, you can place the Gryphon™ Mx30 into the cradle to charge the battery.
When the scanner is correctly inserted in the cradle, the red LED on the cradle goes on to indicate that the battery is charging. The green LED on the cradle goes on when the battery is completely charged.
When using NiCd or NiMh batteries, frequent recharging before fully discharging can cause a “memory effect” in which the batteries assume a reduced capacity.
Since it is not practical to wait for the reader to be fully discharged before recharging it, the OM-Gryphon™ and the C-Gryphon™ are provided with a battery-reconditioning feature which overcomes the “memory effect” problem.
To perform battery reconditioning, simply press the battery-reconditioning key on the cradle control panel: the battery will be fully discharged in a short period of time (red LED flashing), then automatically recharged.
We recommend performing the battery reconditioning once every few months or whenever you feel the battery capacity has decreased.
8
INSTALLATION

2.8.3 Replacing Gryphon™ M Batteries

To change the batteries in your Gryphon™ Mx30 scanner, proceed as follows:
1. Unscrew the battery cover screw.
Battery
Cover Screw
2
2. Open the battery cover.
Battery Cover
3. Replace the old batteries with new ones, then screw the battery cover back into
place.
+
NiMh, NiCd, or Alkaline AA Batteries
9
2
WARNING
GRYPHON™ Dx30/Mx30
Do not incinerate, disassemble, short terminals or expose to high temp charg an incorrect type. Dispose of the batteries as required by the
erature. Risk of fire, explosion. Use specified
er only. Risk of explosion if the battery is replaced by
relevant laws in force.
10

GRYPHON™ MX30 SYSTEM AND NETWORK LAYOUTS

3
3 GRYPHON™ MX30 SYSTEM AND NETWORK
LAYOUTS
There are two basic system layouts that can be employed: Stand Alone systems and Multidrop STAR-System™ Networks.

3.1 STAND ALONE LAYOUTS

3.1.1 Single Reader Layout

3.1.2 Multiple Reader Layout

In stand alone systems, each cradle is connected to a single Host.
11
3
GRYPHON™ Dx30/Mx30

3.1.3 Multiple Stand Alone Layouts

Many stand alone connections can operate in the same physical area without interference, provided all readers and cradles in the system have different addresses.
Multiple Stand Alone Systems in the Same Area
ince the cradles can communicate to multiple Gryphon™ Mx30 scanners, you might
S
it C-Gryphon™ battery chargers in addition to the
find useful to employ one or more O G t the battery re-charging operation can be performed for
M- ryphon™ cradle, so tha
several scanners at the same time.
12
GRYPHON™ MX30 SYSTEM AND NETWORK LAYOUTS
3

3.2 MULTIDROP STAR-SYSTEM™ NETWORK LAYOUTS

ven though many stand alone systems can operate in the same physical area without
E interfering with each other, it may be desirable to bridge data from mu in a network to a
single Host. Gryphon™ Mx30 readers are compatible with
ltiple base stations
TAR-System™ networks. These networks provide seamless active roaming for any S
RF reading device in the system.

.2.1 Host Master Layout 3

A. Host Master with STAR-Link™ B. ST C. ST E™ base stations
AR-Box™ converter
ARGAT
Example Multidrop STAR-Sy
stem™ Network with Host as Master
In this layout the Host acts as the Master usin
g STAR-Link™ software. The Host is connected in RS232 to a STAR-Box™ converter which is connected to the first slave in the RS485 network. In this way th
ngle Host
si and all readers in the system. STARGATE™ base stations are used as
aves in this network. The Slaves at the ends of the network must be terminated (see
sl the STARGATE™ and STAR-Box™ In
e base stations provide communications between a
stallation Manuals).
See par. 4.5 and or the Sm@rtSet Help On-Line for system configuration specifications.
13
4
GRYPHON™ Dx30/Mx30
4 CONFIGURATION
4.1 CONFIGURATION METHODS

4.1.1 Reading Configuration Barcodes

This manual can be used for complete
llowing the setup procedures in this chapter (see par. 4.2 for an overviewfo
If you wish to change the default settings, this manual provides complete configuration of your reader in an easy way.
To configure your reader:
1) Open the folded page in Appendix C with the hex-numeric table and keep it
open during the device configuration.
2) Read the Enter Configuration code ONCE, available at the top of each page
of configuration.
setup and configuration of your reader by
).
3) Modify the desired parameters in
procedures given for each group.
one or more sections following the
4) Read the Exit and Save Configuration code ONCE, available at the top of
each page of configuration.
Reference notes describing the operation of the more complex parameters are given in chapter 5.

4.1.2 Using DL Sm@rtSet

DL Sm@rtSet is a Windows-based utility program providing a quick and user-friendly configuration method via the RS232 interface. It also allows upgrading the software of the connected device (see the DL Sm@rtSet User's Manual for more details).
4.1.3 Copy Command
A previously configured device (Master), can be used to send its configuration directly to other devices of the same type (Slaves). The particular procedure for each device is given in par. 5.9.
14
CONFIGURATION
4

4.1.4 Sending Configuration Strings from Host

al pendix A using the RS232
An
ternative configuration method is provided in Ap
i fa many devices need to be
nter
e. This method is particularly useful when c
configured w
ttings can be prepared to co ily.
se
4.2
or Gryphon™ Dx30 Series readers, follow the setup procedures in pars. 4.3, 4.6
F
nd 4.7.
a For Gryphon™ Mx30 Series readers, the setup procedures depend on two basic
p lic
a p ations, Stand Alone or STAR-System™.
Stand Alone applications allow ith the Host by either the
- ryphon™ cradle (pa odem™ radio modem
OM
. 4.4.2).
(par
STAR-System™ applications allow e Host through an RS485 netw mod
Proceed as shown in the following di
ith the same se the desired parameter
ttings. Batch files containing
nfigur ase devices quickly and e

SETUP PROCEDURES

communication w
G r. 4.4), or by the STAR-M
communication with th
ork by the STARGATE™ RF base station or by the STAR-Modem™ radio
em (par. 4.5).
agram:
Begin Se
tup by cho sing the setup o
procedure for you RYPHON™
reader as indic ed below.
r G
at
Gryphon™ Dx30
Par. 4.3 Par.
4.6
Par.
4.7
Sta nd Alo ne Ap plicatio ns
Gryphon
GRYPHON™ Mx30/STAR-Modem™
™ Mx30/OM-Gryphon™
Par. 4.4 Par. 4.6
Optional Par. 4.4.1
multiple guns per OM-Gryphon™
in Stand Alone Mode
Par. 4.4.2
End of Setup
Your reader is now ready to read
barcodes using the default settings.
STAR-System ™ Applications
Gryphon™ Mx30/STAR-System
STARG
AR-Modem™ in STAR-System™ Mode
ST
ATE™
Par. 4.5
15
4
4

.3 GRYPHON™ DX30 SETUP

1.
Read the re
store default parameters code below.
Restore Gryphon™ Dx30 Default
GRYPHON™ Dx30/Mx30
Ì$+$*oÎ
After reading the above co ection
4.4 M-GRYPHON™ STAND ALONE SETUP
GRYPHON™ MX30/O
Read the restore default parameters code below.
1.
de, go to par. 4.6 Interface Sel .
Restore Gryphon™Mx30 Default
Ì$+$*oÎ
Read the codes below to set the radio address of the Gry
2.
Enter configuration
phon Mx30 reader.
Ì$+;Î
3.
adio Address
Set R
ÌRA0RFHÎ
+
4.
four digits for the Gryphon™ Mx30 Address (from 0000 to 1999).
All readers used in the same area must have different addresses.
Exit and Save configuration
Ì$-?Î
16
CONFIGURATION
4
Read the Bind code to pair the Gryphon™ Mx30 to the OM-Gryphon™ cr
5.
T he cradle. Any previously bound reader w
he reader is dedicated to t ill be
excluded.
To connect several
4.4.1, ‘Using Multiple M Series Readers with Same Cradle'.
The green LED on the G reader is ready to be positioned onto the cradle.
Firmly position the reader onto the OM-Grypho
6.
eep will be emitted, signaling that the OM-Gryphon™ cradle has been paired
b to the Gryphon™ Mx30, and the gr
een LED Gr
readers to the same cradle see the following paragraph
Bind
Ì$+RN0$-IÎ
ryphon™ Mx30 will blink; the
n™ cradle within 10 seconds, a
een LED on the reader will go off.
adle.
Read the OM-Gryphon™ restore default code:
7.
Restore OM-Gryphon™ default
Ì$+RX0$-qÎ
Go to par. 4.6 Interface Selection.
17
4
GRYPHON™ Dx30/Mx30

4.4.1 Using Multiple M-Series Readers With Same Cradle

If you want to use several M-Series readers with the same OM-Gryphon™ cradle, you must first Bind the cradle with one of the readers (see previously described configuration procedure).
uccessive readersS can be associated with the same cradle by following the
uration procedure substitutin ith Join (step 5).
config g the Bind command w
5.
Join
Ì$+RN1$-NÎ
he green LED on the Gryphon™ Mx30 will blink: the reader is ready to be
T positioned onto the cradle.
END of procedure.
If the cradle is not Bound to a reader, its address assumes a random value which can cause conflicts and malfunctions to other
CAUTION
YOUR READER IS NOW READY TO READ BARCODES.
To change the defaults see par. 4.8.
cradles within its range.
Complete step 6.
18
CONFIGURATION
4

4.4.2 Gryphon™ M/STAR-Modem™ in Stand Alone Mode

To configure a Gryphon™ Mx30 reader to communicate with STAR-Modem™ in Stand Alone Mode, follow the procedure in par. 4.4 substituting steps 4 and 5 with those belo
4.
w:
ST
AR-Modem™ Address
ÌRSRÎ
Read the code above and the four-digit address
5.
D of procedure.
EN
YOUR READER IS NOW READY TO
To hange the defaults see par
c . 4.8.
Exit and Save configuration
of the STAR-Modem™.
Ì$-?Î
READ BARCODES.
19
4
GRYPHON™ Dx30/Mx30

4.5 GRYPHON™ M/STAR-SYSTEM™ SETUP

T ing procedure allows c yphon™ Mx30 reader to
he follow onfiguring a Gr communicate with various STAR-System™ devices such as STARGATE™ RF base station
s.
1.
Restore Gry
phon™ Mx30 Default
Ì$+$*oÎ
2.
Enter configuration
Ì$+;Î
he co g to the length of the codes to be read:
3.
Set t
nnection accordin
Code Length 240 Characters
ÌRA1aÎ
4.
Code Length >240 Characters
ÌRA2dÎ
Set Radio Address
ÌRF8Î
20
+
four digits from the Numeric Table in the range 0000-1999.
All readers must have different addresses.
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