jbtibor
Michael West
Check out this question on the support site:
http://store.wirelesstag.net/pages/support#calibrateradio
Why is a yellow "Calibrate" button displayed?
You can configure different "receiver bandwidth" of your Tag Manager. If you choose a narrower bandwidth, more noise will be filtered, resulting
in longer wireless range, if the tag's transmission frequency is accurate enough to be within the receiver bandwidth. When tag manager senses the error in a tag's transmission frequency to be larger than the configured receiver bandwidth, it displays "Calibrate"
button on the Web interface. When this button is clicked, tag manager updates the tag's flash memory to correct the frequency drift. It then pings the tag, and if there is no more frequency drift, the "Calibrate Radio" button goes away. When you choose a narrower
bandwidth from the drop-down, "Calibrate Radio" button will be displayed more often.
Tag's transmission frequency error is most often caused by temperature change. After you place a tag in an environment with very different temperature than when you last received transmission from the tag, "Calibrate Radio" button
will often be displayed. To relocate the tag from one environment to another with very different temperature, you need to first set tag manager's receiver bandwidth to "widest (most robust)",
then wait till the tag's temperature stabilized, and make sure you receive a few transmissions (sent at the auto-update interval) from the tag. Then change the bandwidth to narrower settings to improve the radio range/performance. At this time the Calibrate
button will likely appear, so click it to calibrate the radio.
--
Michael West
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jbtibor
On Monday, 20 July 2015 05:39:40 UTC+1, Michael West wrote:
Check out this question on the support site:
http://store.wirelesstag.net/pages/support#calibrateradio
Why is a yellow "Calibrate" button displayed?
You can configure different "receiver bandwidth" of your Tag Manager. If you choose a narrower bandwidth, more noise will be filtered, resulting in longer wireless range, if the tag's transmission frequency is accurate enough to be within the receiver bandwidth. When tag manager senses the error in a tag's transmission frequency to be larger than the configured receiver bandwidth, it displays "Calibrate" button on the Web interface. When this button is clicked, tag manager updates the tag's flash memory to correct the frequency drift. It then pings the tag, and if there is no more frequency drift, the "Calibrate Radio" button goes away. When you choose a narrower bandwidth from the drop-down, "Calibrate Radio" button will be displayed more often.
Tag's transmission frequency error is most often caused by temperature change. After you place a tag in an environment with very different temperature than when you last received transmission from the tag, "Calibrate Radio" button will often be displayed. To relocate the tag from one environment to another with very different temperature, you need to first set tag manager's receiver bandwidth to "widest (most robust)", then wait till the tag's temperature stabilized, and make sure you receive a few transmissions (sent at the auto-update interval) from the tag. Then change the bandwidth to narrower settings to improve the radio range/performance. At this time the Calibrate button will likely appear, so click it to calibrate the radio.
--
Michael West
From: wireless-s...@googlegroups.com [mailto:wireless-s...@googlegroups.com] On Behalf Of jbtibor
Sent: Friday, July 17, 2015 7:23 PM
To: wireless-s...@googlegroups.com
Subject: [Wireless Sensor Tags Forum] What does Calibrate mean?
Button text changes to Calibrate quite often on website, what does this mean?
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Michael West
I’ve honestly never gotten it before. I have my receive mode set to widest and all the tags in my house get great signal.
Are you using them in an environment with really high temperature swings? What receive mode is it set at? Are your signal levels good?
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