Avg Const (Averaging Parameter Description); User Interface - Teltonika TMT250 User Manual

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5.15.8 Avg const (Averaging parameter description)

If Avg Const value is 10, new value must be present for 1 second to register the change to a
new value. Internal sampling is done every 40 ms, so 25 samples are taken per second. To
configure 5 seconds of averaging multiply 10 by 5 yielding 50 as Avg Const value. The same logic
works if the device is in Deep Sleep mode.
Averaging follows RC exponential curve, see image below:
For Boolean values 5τ, values is used, that means value change is taken when new values is
averaged to more then 99.3%.

5.16 User Interface

Indication is configurable in User Interface tab of configurator or via
Features ParametersID. Each 100 ms device checks if any indication is enabled in response
to triggered scenarios. If two scenarios need to indicate on the same indication source (LED or
Vibration) then the active indicating scenario needs to be finished first (with exception of Alarm,
Power Key Pressed and Device Off scenarios, which can override the control of indication
sources). An example of indication configuration is given in the picture shown below. Period
setting is indicative of Periodic scenarios (refer to the table below) and if Period is set to 0 the
indication will take place immediately. When indication is periodic and On parameter value is set
to 0, the indication source will stay on until the scenario is finished. Triggered scenarios will turn
on LED and/or vibration for a configured On duration and then keep them off for a configured Off
period of time. In case the configured Repeat value is higher than 0 the device continues a
periodic on/off cycle.
Name
GSM Error
GSM Registering
SMS Send/Received
Figure 36 Averaging counting explanation
Type
Periodic SIM is not inserted, blocked, failed to connect to
an operator or jammed
Periodic Trying to register to GSM network
One Off SMS is being received or sent
51
Trigger Reason

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