Metrologic TECH 7 User manual

METROLOGIC®INSTRUMENTS, INC.
TECH 7®Laser Bar Code
Projection Scanner
Installation and User’s Guide

Copyright
© 2006 by Metrologic Instruments, Inc. All rights reserved. No part of this
work may be reproduced, transmitted, or stored in any form or by any means
without prior written consent, except by reviewer, who may quote brief pas-
sages in a review, or provided for in the Copyright Act of 1976.
Products and brand names mentioned in this document are trademarks of
their respective companies.

ii
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Unpacking List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Scanner Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Configuration to the Host System . . . . . . . . . . . . . . . . . . . . . . . . .3
Stand Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Back Plate Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Parts of Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Visual Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Depth of Scan Field for the MS770 Scanner . . . . . . . . . . . . . . . .12
Depth of Field for the MS775 Scanner . . . . . . . . . . . . . . . . . . . .13
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Applications and Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Appendix A
Specifications
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Operational . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Appendix B
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Appendix C
Warranty and Disclaimer . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Appendix D
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Appendix E
Patents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

1
Introduction
Metrologic's TECH 7®laser bar code projection scanner is encased in
an NEMA-12 steel case. The case construction enables the scanner
to operate in harsh surroundings, especially industrial environments.
Water-resistant, shock-resistant, and rugged, the TECH 7 is also fast,
aggressive and reliable. It can register bar codes at a range of
76mm - 254mm (3" - 10") and can autodiscriminate among all
common codes.
To suit particular applications, two different scan patterns are
available: an omnidirectional pattern of 20 interlocking lines (Model
MS770); or a 12-line raster pattern (Model MS775). The scanner has
a VLD design, a scan speed of up to 2000 lines per second, and uses
less than 8 watts of power.
Other features include an Application Specific Integrated Circuit
(ASIC) and MECCA©(Metrologic Enhanced Code Correcting
Algorithm). An Application Specific Integrated Circuit (ASIC) is in the
decoding system and virtually eliminates misreads. MECCA©
(Metrologic Enhanced Code Correcting Algorithm) enables the TECH
7 scanner to read poorly printed, wrinkled or even torn bar codes on
the first pass.
Unpacking List
The shipping carton, should contain the following:
zInstallation and User's Guide (MLPN: 2159)
zScanSelect™ Scanner Programming Guide (MLPN: 2186)
zTECH 7 Model MS770 with omnidirectional scan pattern or
TECH 7 Model MS775 with raster scan pattern
zCommunication Cable with Power Supply (optional) or
Communication Cable (optional)
zBack Plate (optional) or Stand (optional)
If any item is missing or to order additional items, contact the dealer,
distributor or call Metrologic's Customer Service Department at
1-800-ID-METRO or 1-800-436-3876.

Scanner Installation
To maintain compliance with applicable standards, all circuits con-
nected to the scanner must meet the requirements for SELV (Safety
Extra Low Voltage) according to EN 60950. To avoid potential prob-
lems, do not power up the scanner until the communication cable
is secured to the host.
1. "Power off" the host system.
2. Locate the 19-pin female end of the scanner link cable and
find the widest key located above pins L and A. Align this key
with the corresponding key on the scanner box's Mil spec
connector. While pushing in on the connector, rotate the ring
clockwise until it locks into place with a click.
3. Connect the other end of the communication cable to the host
device.
Note: The following statement is applicable if the optional
power adapter available through Metrologic does not power
the bar code scanner and the scanner receives power from a
host device such as a computer system.
Caution: To maintain compliance with standards CSA
C22.2 No. 950/UL 1950 and norm EN 60950, the
power source must meet applicable performance
requirements for a limited power source.
If the scanner is powered by the host, skip to Step 5.
4. Check the AC input requirements of the transformer/power
supply to make sure the voltage matches an available AC
outlet. A socket-outlet must be installed near the
equipment and be easily accessible. Plug the transformer into
the AC outlet to supply power to the scanner.
5. "Power up" the host system.
Note: When the scanner first receives power, the LEDs will
flash and then the scanner will beep once. After the scanner
performs this startup sequence, the green LED will remain on
for a specified time indicating that the laser is on.
2

Configuration to the Host System
The scanner is shipped from the factory programmed to a set of
default conditions noted in the ScanSelect™ Scanner Programming
Guide by an asterisk that appears before the brief definition located
next to the bar code.
In order for the scanner to communicate with a host system properly, it
may need to be programmed. Since each host system is unique, con-
figure the scanner to match the host system requirements. Configure
the scanner by entering the program mode and scanning the appro-
priate bar codes that appear in the ScanSelect Scanner Programming
Guide. (To use ScanSet®, refer to the ScanSet documentation for
information on how to configure a scanner.)
1. Connect the scanner to the host system (Refer to the Scanner
Connections to the Host section in this guide).
2. Enter program mode by scanning the ENTER/EXIT program
mode bar code. The unit will beep three times
3. Scan the appropriate bar code(s) that appear in the
ScanSelect Scanner Programming Guide. Reveal only one
bar code to the scanner each time. With your hand, cover the
bar code not to be scanned.
4. Exit program mode by scanning the ENTER/EXIT program
mode bar code again. The new options will be saved and the
scanner is ready for normal operation.
3

Stand Installation
With the Metrologic stand (Part #45475), the scanner can be posi-
tioned in one of two directions. The two orientation choices are vertical
or horizontal. (Refer to Figure 1)
To install this stand, use the four 6-32 x ½ inch machine screws and
two #10 pan head wood screws.
1. Drill two holes into the work
surface that are the same size
and distance as the holes on
the stand base. (Refer to
Figure 2)
2. Use the two #10 pan head
wood screws to attach the
stand to the work surface.
3. To fasten the scanner:
zFor a horizontal mount,
align the four holes on the
back of the scanner with
the four clearance holes
located on the stand
marked with an X in Figure 3.
zFor a vertical mount,
align the four holes on
the back of the scanner
with the four clearance
holes located on the stand
marked with a Y in Figure 3.
4. Fasten the scanner to the stand by inserting the four 6-32 x ½
inch screws into the four holes in the scanner's case.
4
Horizontal Mount
Vertical Mount
Figure 1: Stand Orientation
3.00 in
1.00 in
1.50 in
Figure 2: Base of Stand
Figure 3: Back View of Stand
X = Holes for Horizontal Mount
Y = Holes for Vertical Mount
Y
X
X
Y
Y
XXY

Back Plate Installation
With the Metrologic back plate
(Part #45473), position the scanner
in one of two directions. The two
orientation choices are vertical or
horizontal. (Refer to Figure 4). To
use this stand, use the four
6-32 x ½ inch machine screws and
four wood screws to attach the unit
to the back plate and work surface.
The maximum distance the screws
should go into the scanner is a ½ inch.
1. Drill four holes into the work surface that correspond with the
holes indicated by an XY in Figure 5.
2. To fasten the scanner to the back plate:
zFor a horizontal mount, align the four holes on the back of
the scanner with the four clearance holes located on the
back plate marked with an X in Figure 5.
zFor a vertical mount, align the four holes on the back of
the scanner with the four clearance holes located on the
back plate marked with a Y in Figure 5.
3. Fasten the scanner to the back plate by inserting the four
6-32 x ½ inch screws into the four holes in the scanner's case.
Fasten the scanner and back plate to the work surface.
5
Vertical Mount
Horizontal Mount
Figure 4: Back Plate Orientation
YX Y X
X
YY
X
XY
XY
XY
XY
X = Scanner Horizontal Mount
Y = Scanner Vertical Mount
XY = Back Plate Mounting
Figure 5: Back Plate Hole Pattern

Parts of Scanner
1 Green and Red LEDs
When the green LED is on, this indicates that the unit is
receiving power and the laser is on. When the red LED
flashes on, the scanner has read a bar code successfully.
When the red light turns off, communication to the host is
complete.
2 Speaker
The speaker emits a beep when a bar code has been
decoded.
3 Laser Output Window
This aperture emits the laser light.
4 Mil spec Connector
The 19-pin male Mil spec connector was designed to connect
a communication cable from the scanner to a host device.
The communication cable may include a power supply or it
may be designed to draw power directly from the host device.
The standard TECH 7 has one connector. (When the atrium
option is installed, a second connector is installed on the unit
to connect the MX001 Industrial Control Interface box.)
6
1
3
2
4
Figure 6: Scanner Parts