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the threshold. Note that when you change the temperature unit, please re-configure the
threshold.
For CO
threshold, it supports defining Excellent, Polluted and Bad threshold for traffic light and
2
screen alarms. Besides, when it exceeds the Bad threshold, IOT-S500-IAQ3/IOT-S500-IAQ3L
will upload the current data once instantly.
4.6 Maintenance
4.6.1 Upgrade
1. Download firmware from www.linovision.com to your smartphone.
2. Open ToolBox App and click "Browse" to import firmware and upgrade the device.
Note:
1) Operation on ToolBox is not supported duringthe upgrade.
2) Only Android version ToolBox supports the upgrade feature.
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