User's Guide

ThingMagic M6e User Guide 19
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table of existing regions, because such a small step size will result in lower channel frequency stability.
(This setting not only defines the minimum step size that can be set, but also represents how often the
channel is nudged back to its desired value, with more frequent nudges creating a more stable channel.)
To allow the Open region to be used more flexibly, the setting of the quantization value is now permitted. It
may be any value between 15 kHz and 6 MHz but must divide evenly into 6 MHz (6000 kHz). If not, an error
will be returned (error code number 105).
To permit the largest quantization value possible, setting the minimum frequency value for the Open region
is allowed. (Smaller quantization values are often driven by the rule that all channels must be an integral
multiple of the quantization value above the minimum frequency value.)
Only the Open region supports changing of the quantization value. Quantization values less than 100 kHz
are not recommended except for laboratory testing to maintain a high degree of channel frequency stability
and prevent interference with other readers or RF services.
Refer to Mercury API v1.29.4 release notes to activate this functionality.
Operational Notes
When the Truncation filter is applied, the tags will return data even if the Access Password is not correct.
(Ref# 5075)
The implementation of the command and response logic for Denatran tags is incomplete. Please contact
ThingMagic support for details. (Ref # 5078)
No Ability to “Get” Saved Value of Settings
The module firmware can save many settings in flash memory. As of firmware version 1.21.1, the module
can report the following values from flash memory but is not yet available to users.
• Baud Rate
• Region
• Protocol
• Hop Table
• Hop Time
• Read Power
• Per-port Read Power
• Antenna Configuration
• Gen2 Session
• Gen2 Target
• Gen2 “M” value
• Gen2 Backscatter Link Frequency
• Gen2 TARI
• Gen2 Q
• Enable Filtering Value
• Trigger Read GPIO Value