Encompass 4 Reader System Guide
xiii
Summary of Revisions to Encompass 4 Reader System
Guide
Version
Number
Date
Revised
Summary of Changes
N/A 10/08 Entry for baseline
-002 03/09 Corrected Command #524, technical support phone number, and added grounding
text and graphic to chapter 4.
-003 04/09 Revised Chapter 4 graphics, procedure steps, and caution statements to show
grounding wire (12-14 AWG) and earth ground.
Deleted references to command #6402 because it is factory use only.
-004 09/09 Added multiple commands to reader guide. Added instructions for discharging
voltage from antenna before connecting it to the reader
-005 06/10 Updated patent statement and copyright boilerplate
-006 07/10 Minor updates and cover page changed to June 2010. No other changes.
-007 02/11 Added notes regarding power cycling and #00 command. Deleted #06, #43, #6160,
and #6161 commands per engineer request. Updated Sales Support and Technical
Support phone and fax numbers
-008 04/11 Corrected RS-232 interface signal wiring references in Table 4-4 and Table 4-6.
Chapter 6, added Data Inquiry Protocol information. Change to Host Transmission
section, page 6-8, “Upon receiving a host command, the E4 Reader replies using
the command’s sequence number in its response.” Original E4 text was “Upon
receiving a host command, the E4 Reader echoes the command’s sequence
number in its response.” Multiple changes to Chapter 7, Commands:
#410N: deleted “(different from Item …)” text, deleted note regarding firmware
version
#524: deleted note that discussed appending time and date to ID codes, etc.
#525: added P2 field indicating data inquiry protocol enabled
#535: deleted
#536: deleted
#570: added TMM0 field
Appendix D updated to reflect command changes
-009 01/12 Updated TransCore Technical Support phone number
-010 04/12 Added 35- and 45-foot connector cable harness information to Table 2-2. Revised
Table 2-3 Power Requirements to match material presented by TransCore
Technical Support in Web seminar. Updated Table 2-4 to show additional connector
cable harnesses
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