Chapter 3 — Developing and Using RFID Applications
68 IF61 Fixed Reader User’s Manual
Antenna Timeout
Sets the antenna timeout value (in ms) when Timeout
Configuration mode is enabled. Range is 0 to 65534 (default is
50). This setting is visible only if Timeout Configuration mode
has been enabled. For help, see “Timeout Configuration Mode”
in this section.
This setting is equivalent to the ANTTIMEOUT BRI attribute.
Dense Reader Mode
Check this check box to enable dense reader mode, which is only
supported by EPC Class 1 Gen 2 tags. When dense reader mode
is enabled, these tags respond with Miller Sub carrier encoded
data instead of FM0 encoded data.
LBT Scan Enable
(Supported only by 865 MHz readers) Enables Listen Before Talk
(LBT) scanning. LBT scanning is enabled by default (disabled by
default on IF61 models with 4 channels).
When LBT scanning is enabled, the algorithm scans the available
ETSI 302-208 channels for a free transmit channel. The scan
sequence begins with the channel specified by LBT Channel
(default is 8), and every third channel is checked (for example, 8,
11, 4, 7, 10, 13, 6, 9, 12, 5) until a free channel is found. If a free
channel is not found, LBT repeats the scan sequence.
When LBT scanning is not enabled, the IF61 does not scan for a
free transmit channel, and the transmit channel is set by LBT
Channel.
LBT Channel
(Supported only by 865 MHz readers) Sets the default transmit
channel (of the available ETSI 302-208 channels). When LBT
scanning is enabled, the channel scan sequence starts with this
channel. When LBT scanning is not enabled, this is the only
transmit channel used. Range is 4 to 13 and default channel is 8.
For IF61 models with 4 channels, choose from channels 4, 7
(default), 10, or 13.
Field Strength 1 to 4
Sets the RF power level (in dBm) for each of the 4 antenna ports.
Valid range is 15 to 30 (maximum power). Default is 30.
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