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[[Category:FMC234 Configuration]]
[[Category:FMC234 Configuration]]
==Low Power Mode==
[[File:Low_power_mode.gif|right|400px]]
Low Power mode functionality was implemented to firmware from FMB.03.29.00.Rev.601. This functionality only works on devices that supports battery. It can only be active if device sleep mode is configured as Deep Sleep or Online Sleep. In other cases, low power mode is not allowed.
* '''Min Period''' – is timer after which device has to wake up (exit Deep or Online sleep state)
* '''GPS Search Period''' – is period in which device tries to acquire GPS fix after waking up
* '''GPS Accuracy''' – is value of minimum requirements of HDOP/PDOP/VDOP to renew GPS data after fix was acquired.
* '''GPS Satellites Quantity''' – is value of minimum visible satellites available to device to renew GPS data after fix was acquired.
* '''Hold GPS Fix Timeout''' – is timer in which device tries to hold GPS fix for better GPS data accuracy.
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As mentioned before, this functionality only works if Deep sleep or Online sleep is configured. Device will enter Low Power mode if external power source is lost, but battery is connected. Device immediately will switch to it’s configured sleeping mode without checking any conditions for sleeping mode. Only conditions for device to go to sleep are: is Low Power mode enabled, is external voltage missing, is there a battery connected.
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'''Note:''' When device is in Low Power mode, device will not generate any records except for one periodic record after every '''Min Period'''.
===BT/BLE module OFF during Sleep modes===
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Power off sleep mode can be described as the lowest possible power consumption mode where the device can go into power off state.
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From the version, 03.28.XX this new functionality includes new parameters:
*'''Periodic Wakeup''' – if value is greater than zero, device while being in Deep Sleep or Online Deep Sleep, will wake up after defined period for beacon collection. This is mainly should be used when Bluetooth® is disabled in sleep.
*'''Bluetooth® On While In Sleep'''- by default this parameter value is set to Enable and BT will work as in base functionality. If this value is set to Disable, Bluetooth® will be turned off when device goes to Deep Sleep or Online Deep Sleep and will be turned on during Periodic Wakeup or if device enters normal state.
[[Image:PWU.jpg|right|300px]]
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Note: In case when during scan after wakeup no BLE devices will be found FMB will be active for configured scan duration time in Bluetooth® 4.0 tab. After that timeout FMB will go to sleep state.
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Power off sleep mode can be described as the lowest possible power consumption mode where the device can go into power off state and can only wake up if one of the conditions is true:
*Movement is detected by accelerometer (not by the configured movement source);
*External power is applied;
*It is the time to make a new periodic record (new feature);
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Please keep a note that Power OFF Sleep will not work if any USB cable is connected to the device.
